OSDN Git Service

removed duplicate code from jdbc2 classes
authorDave Cramer <davec@fastcrypt.com>
Fri, 16 Aug 2002 19:37:57 +0000 (19:37 +0000)
committerDave Cramer <davec@fastcrypt.com>
Fri, 16 Aug 2002 19:37:57 +0000 (19:37 +0000)
src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
src/interfaces/jdbc/org/postgresql/jdbc2/AbstractJdbc2DatabaseMetaData.java

index 6a8d20d..0682737 100644 (file)
@@ -5,10 +5,20 @@ import java.sql.*;
 import java.util.*;
 import org.postgresql.Field;
 import org.postgresql.util.PSQLException;
+import org.postgresql.Driver;
 
-public abstract class AbstractJdbc1DatabaseMetaData 
+public abstract class AbstractJdbc1DatabaseMetaData
 {
 
+  private static final String keywords = "abort,acl,add,aggregate,append,archive," +
+                                         "arch_store,backward,binary,change,cluster,"+
+                                         "copy,database,delimiter,delimiters,do,extend,"+
+                                         "explain,forward,heavy,index,inherits,isnull,"+
+                                         "light,listen,load,merge,nothing,notify,"+
+                                         "notnull,oids,purge,rename,replace,retrieve,"+
+                                         "returns,rule,recipe,setof,stdin,stdout,store,"+
+                                         "vacuum,verbose,version";
+
        protected AbstractJdbc1Connection connection; // The connection association
 
        // These define various OID's. Hopefully they will stay constant.
@@ -20,7 +30,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
 
        public AbstractJdbc1DatabaseMetaData(AbstractJdbc1Connection conn)
        {
-               this.connection = conn;
+          this.connection = conn;
        }
 
        /*
@@ -32,7 +42,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean allProceduresAreCallable() throws SQLException
        {
-               return true;            // For now...
+          if (Driver.logDebug) Driver.debug("allProceduresAreCallable");
+          return true;         // For now...
        }
 
        /*
@@ -44,6 +55,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean allTablesAreSelectable() throws SQLException
        {
+          if (Driver.logDebug) Driver.debug("allTablesAreSelectable");
                return true;            // For now...
        }
 
@@ -55,7 +67,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getURL() throws SQLException
        {
-               return connection.getURL();
+          String url = connection.getURL();
+          if (Driver.logDebug) Driver.debug("getURL " + url);
+          return url;
        }
 
        /*
@@ -66,7 +80,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getUserName() throws SQLException
        {
-               return connection.getUserName();
+          String userName = connection.getUserName();
+          if (Driver.logDebug) Driver.debug("getUserName " + userName);
+          return userName;
        }
 
        /*
@@ -77,7 +93,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean isReadOnly() throws SQLException
        {
-               return connection.isReadOnly();
+          boolean isReadOnly = connection.isReadOnly();
+          if (Driver.logDebug) Driver.debug("isReadOnly " + isReadOnly);
+          return isReadOnly;
        }
 
        /*
@@ -88,7 +106,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean nullsAreSortedHigh() throws SQLException
        {
-               return connection.haveMinimumServerVersion("7.2");
+          boolean nullSortedHigh = connection.haveMinimumServerVersion("7.2");
+          if (Driver.logDebug) Driver.debug("nullsAreSortedHigh " + nullSortedHigh);
+          return nullSortedHigh;
        }
 
        /*
@@ -99,7 +119,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean nullsAreSortedLow() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("nullsAreSortedLow false");
+          return false;
        }
 
        /*
@@ -110,7 +131,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean nullsAreSortedAtStart() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("nullsAreSortedAtStart false");
+          return false;
        }
 
        /*
@@ -121,7 +143,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean nullsAreSortedAtEnd() throws SQLException
        {
-               return ! connection.haveMinimumServerVersion("7.2");
+          boolean nullsAreSortedAtEnd = ! connection.haveMinimumServerVersion("7.2");
+          if (Driver.logDebug) Driver.debug("nullsAreSortedAtEnd " + nullsAreSortedAtEnd);
+          return nullsAreSortedAtEnd;
        }
 
        /*
@@ -133,7 +157,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getDatabaseProductName() throws SQLException
        {
-               return "PostgreSQL";
+          if (Driver.logDebug) Driver.debug("getDatabaseProductName PostgresSQL");
+          return "PostgreSQL";
        }
 
        /*
@@ -144,7 +169,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getDatabaseProductVersion() throws SQLException
        {
-               return connection.getDBVersionNumber();
+          String versionNumber = connection.getDBVersionNumber();
+          if (Driver.logDebug) Driver.debug("getDatabaseProductVersion " + versionNumber);
+          return versionNumber;
        }
 
        /*
@@ -156,7 +183,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getDriverName() throws SQLException
        {
-               return "PostgreSQL Native Driver";
+          String driverName = "PostgreSQL Native Driver";
+          if (Driver.logDebug) Driver.debug("getDriverName" + driverName);
+          return driverName;
        }
 
        /*
@@ -168,7 +197,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getDriverVersion() throws SQLException
        {
-               return connection.getDriver().getVersion();
+          String driverVersion = connection.this_driver.getVersion();
+          if (Driver.logDebug) Driver.debug("getDriverVersion " + driverVersion);
+          return driverVersion;
        }
 
        /*
@@ -178,7 +209,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public int getDriverMajorVersion()
        {
-               return connection.getDriver().getMajorVersion();
+          int majorVersion = connection.this_driver.getMajorVersion();
+          if (Driver.logDebug) Driver.debug("getMajorVersion " + majorVersion);
+          return majorVersion;
        }
 
        /*
@@ -188,7 +221,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public int getDriverMinorVersion()
        {
-               return connection.getDriver().getMinorVersion();
+          int minorVersion = connection.this_driver.getMinorVersion();
+          if (Driver.logDebug) Driver.debug("getMinorVersion " + minorVersion);
+          return minorVersion;
        }
 
        /*
@@ -200,7 +235,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean usesLocalFiles() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("usesLocalFiles " + false);
+          return false;
        }
 
        /*
@@ -212,7 +248,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean usesLocalFilePerTable() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("usesLocalFilePerTable " + false);
+          return false;
        }
 
        /*
@@ -229,7 +266,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsMixedCaseIdentifiers() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsMixedCaseIdentifiers " + false);
+          return false;
        }
 
        /*
@@ -240,7 +278,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean storesUpperCaseIdentifiers() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("storesUpperCaseIdentifiers " + false);
+          return false;
        }
 
        /*
@@ -251,7 +290,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean storesLowerCaseIdentifiers() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("storesLowerCaseIdentifiers " + true);
+          return true;
        }
 
        /*
@@ -262,7 +302,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean storesMixedCaseIdentifiers() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("storesMixedCaseIdentifiers " + false);
+          return false;
        }
 
        /*
@@ -275,7 +316,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsMixedCaseQuotedIdentifiers " + true);
+          return true;
        }
 
        /*
@@ -286,7 +328,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean storesUpperCaseQuotedIdentifiers() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("storesUpperCaseQuotedIdentifiers " + false);
+          return false;
        }
 
        /*
@@ -297,7 +340,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean storesLowerCaseQuotedIdentifiers() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("storesLowerCaseQuotedIdentifiers " + false);
+          return false;
        }
 
        /*
@@ -308,7 +352,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean storesMixedCaseQuotedIdentifiers() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("storesMixedCaseQuotedIdentifiers " + false);
+          return false;
        }
 
        /*
@@ -321,7 +366,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getIdentifierQuoteString() throws SQLException
        {
-               return "\"";
+          if (Driver.logDebug) Driver.debug("getIdentifierQuoteString \"" );
+          return "\"";
        }
 
        /*
@@ -342,31 +388,31 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getSQLKeywords() throws SQLException
        {
-               return "abort,acl,add,aggregate,append,archive,arch_store,backward,binary,change,cluster,copy,database,delimiter,delimiters,do,extend,explain,forward,heavy,index,inherits,isnull,light,listen,load,merge,nothing,notify,notnull,oids,purge,rename,replace,retrieve,returns,rule,recipe,setof,stdin,stdout,store,vacuum,verbose,version";
+               return keywords;
        }
 
        public String getNumericFunctions() throws SQLException
        {
-               // XXX-Not Implemented
-               return "";
+          if (Driver.logDebug) Driver.debug("getNumericFunctions");
+          return "";
        }
 
        public String getStringFunctions() throws SQLException
        {
-               // XXX-Not Implemented
-               return "";
+          if (Driver.logDebug) Driver.debug("getStringFunctions");
+          return "";
        }
 
        public String getSystemFunctions() throws SQLException
        {
-               // XXX-Not Implemented
-               return "";
+          if (Driver.logDebug) Driver.debug("getSystemFunctions");
+          return "";
        }
 
        public String getTimeDateFunctions() throws SQLException
        {
-               // XXX-Not Implemented
-               return "";
+          if (Driver.logDebug) Driver.debug("getTimeDateFunctions");
+          return "";
        }
 
        /*
@@ -378,7 +424,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getSearchStringEscape() throws SQLException
        {
-               return "\\";
+          if (Driver.logDebug) Driver.debug("getSearchStringEscape");
+          return "\\";
        }
 
        /*
@@ -394,7 +441,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getExtraNameCharacters() throws SQLException
        {
-               return "";
+          if (Driver.logDebug) Driver.debug("getExtraNameCharacters");
+          return "";
        }
 
        /*
@@ -406,7 +454,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsAlterTableWithAddColumn() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsAlterTableWithAddColumn " + true);
+          return true;
        }
 
        /*
@@ -418,6 +467,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsAlterTableWithDropColumn() throws SQLException
        {
+          if (Driver.logDebug) Driver.debug("supportsAlterTableWithDropColumn " + false);
                return false;
        }
 
@@ -441,7 +491,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsColumnAliasing() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsColumnAliasing " + true);
+          return true;
        }
 
        /*
@@ -453,19 +504,20 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean nullPlusNonNullIsNull() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("nullPlusNonNullIsNull " + true);
+          return true;
        }
 
        public boolean supportsConvert() throws SQLException
        {
-               // XXX-Not Implemented
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsConvert " + false);
+          return false;
        }
 
        public boolean supportsConvert(int fromType, int toType) throws SQLException
        {
-               // XXX-Not Implemented
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsConvert " + false);
+          return false;
        }
 
        /*
@@ -477,7 +529,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsTableCorrelationNames() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsTableCorrelationNames " + true);
+          return true;
        }
 
        /*
@@ -489,7 +542,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsDifferentTableCorrelationNames() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsDifferentTableCorrelationNames " + false);
+          return false;
        }
 
        /*
@@ -502,7 +556,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsExpressionsInOrderBy() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsExpressionsInOrderBy " + true);
+          return true;
        }
 
        /*
@@ -513,7 +568,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsOrderByUnrelated() throws SQLException
        {
-               return connection.haveMinimumServerVersion("6.4");
+          boolean supportsOrderByUnrelated = connection.haveMinimumServerVersion("6.4");
+          if (Driver.logDebug) Driver.debug("supportsOrderByUnrelated " + supportsOrderByUnrelated);
+          return supportsOrderByUnrelated;
        }
 
        /*
@@ -525,7 +582,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsGroupBy() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsGroupBy " + true);
+          return true;
        }
 
        /*
@@ -536,7 +594,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsGroupByUnrelated() throws SQLException
        {
-               return connection.haveMinimumServerVersion("6.4");
+          boolean supportsGroupByUnrelated = connection.haveMinimumServerVersion("6.4");
+          if (Driver.logDebug) Driver.debug("supportsGroupByUnrelated " + supportsGroupByUnrelated);
+          return supportsGroupByUnrelated;
        }
 
        /*
@@ -551,7 +611,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsGroupByBeyondSelect() throws SQLException
        {
-               return supportsGroupByUnrelated();
+          boolean supportsGroupByBeyondSelect = connection.haveMinimumServerVersion("6.4");
+          if (Driver.logDebug) Driver.debug("supportsGroupByUnrelated " + supportsGroupByBeyondSelect);
+          return supportsGroupByBeyondSelect;
        }
 
        /*
@@ -563,7 +625,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsLikeEscapeClause() throws SQLException
        {
-               return connection.haveMinimumServerVersion("7.1");
+          boolean supportsLikeEscapeClause = connection.haveMinimumServerVersion("7.1");
+          if (Driver.logDebug) Driver.debug("supportsLikeEscapeClause " + supportsLikeEscapeClause);
+          return supportsLikeEscapeClause;
        }
 
        /*
@@ -576,7 +640,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsMultipleResultSets() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsMultipleResultSets " + false);
+          return false;
        }
 
        /*
@@ -589,7 +654,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsMultipleTransactions() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsMultipleTransactions " + true);
+          return true;
        }
 
        /*
@@ -604,7 +670,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsNonNullableColumns() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsNonNullableColumns true");
+          return true;
        }
 
        /*
@@ -621,7 +688,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsMinimumSQLGrammar() throws SQLException
        {
-               return true;
+          if (Driver.logDebug) Driver.debug("supportsMinimumSQLGrammar TRUE");
+          return true;
        }
 
        /*
@@ -633,7 +701,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsCoreSQLGrammar() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsCoreSQLGrammar FALSE ");
+          return false;
        }
 
        /*
@@ -646,7 +715,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsExtendedSQLGrammar() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsExtendedSQLGrammar FALSE");
+          return false;
        }
 
        /*
@@ -663,7 +733,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsANSI92EntryLevelSQL() throws SQLException
        {
-               return false;
+          boolean schemas = connection.haveMinimumServerVersion("7.3");
+          if (Driver.logDebug) Driver.debug("supportsANSI92EntryLevelSQL " + schemas);
+          return schemas;
        }
 
        /*
@@ -675,7 +747,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsANSI92IntermediateSQL() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsANSI92IntermediateSQL false ");
+          return false;
        }
 
        /*
@@ -686,7 +759,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsANSI92FullSQL() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsANSI92FullSQL false ");
+          return false;
        }
 
        /*
@@ -698,7 +772,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsIntegrityEnhancementFacility() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsIntegrityEnhancementFacility false ");
+          return false;
        }
 
        /*
@@ -709,7 +784,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsOuterJoins() throws SQLException
        {
-               return connection.haveMinimumServerVersion("7.1");
+          boolean supportsOuterJoins = connection.haveMinimumServerVersion("7.1");
+          if (Driver.logDebug) Driver.debug("supportsOuterJoins " + supportsOuterJoins);
+          return supportsOuterJoins;
        }
 
        /*
@@ -720,7 +797,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsFullOuterJoins() throws SQLException
        {
-               return connection.haveMinimumServerVersion("7.1");
+          boolean supportsFullOuterJoins = connection.haveMinimumServerVersion("7.1");
+          if (Driver.logDebug) Driver.debug("supportsFullOuterJoins " + supportsFullOuterJoins);
+          return supportsFullOuterJoins;
        }
 
        /*
@@ -731,7 +810,9 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsLimitedOuterJoins() throws SQLException
        {
-               return supportsFullOuterJoins();
+          boolean supportsLimitedOuterJoins = connection.haveMinimumServerVersion("7.1");
+          if (Driver.logDebug) Driver.debug("supportsFullOuterJoins " + supportsLimitedOuterJoins);
+          return supportsLimitedOuterJoins;
        }
 
        /*
@@ -744,7 +825,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getSchemaTerm() throws SQLException
        {
-               return "schema";
+          if (Driver.logDebug) Driver.debug("getSchemaTerm schema");
+          return "schema";
        }
 
        /*
@@ -756,7 +838,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getProcedureTerm() throws SQLException
        {
-               return "function";
+          if (Driver.logDebug) Driver.debug("getProcedureTerm function ");
+          return "function";
        }
 
        /*
@@ -767,7 +850,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getCatalogTerm() throws SQLException
        {
-               return "database";
+          if (Driver.logDebug) Driver.debug("getCatalogTerm database ");
+          return "database";
        }
 
        /*
@@ -779,7 +863,10 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean isCatalogAtStart() throws SQLException
        {
-               throw org.postgresql.Driver.notImplemented();
+          // return true here; we return false for every other catalog function
+          // so it won't matter what we return here D.C.
+          if (Driver.logDebug) Driver.debug("isCatalogAtStart not implemented");
+          return true;
        }
 
        /*
@@ -790,7 +877,10 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public String getCatalogSeparator() throws SQLException
        {
-               throw org.postgresql.Driver.notImplemented();
+          // Give them something to work with here
+          // everything else returns false so it won't matter what we return here D.C.
+          if (Driver.logDebug) Driver.debug("getCatalogSeparator not implemented ");
+          return ".";
        }
 
        /*
@@ -801,7 +891,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsSchemasInDataManipulation() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsSchemasInDataManipulation false");
+          return false;
        }
 
        /*
@@ -812,7 +903,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsSchemasInProcedureCalls() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsSchemasInProcedureCalls false");
+          return false;
        }
 
        /*
@@ -823,7 +915,10 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsSchemasInTableDefinitions() throws SQLException
        {
-               return false;
+          boolean schemas = connection.haveMinimumServerVersion("7.3");
+
+          if (Driver.logDebug) Driver.debug("supportsSchemasInTableDefinitions " + schemas);
+          return schemas;
        }
 
        /*
@@ -834,7 +929,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsSchemasInIndexDefinitions() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsSchemasInIndexDefinitions false");
+          return false;
        }
 
        /*
@@ -845,7 +941,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsSchemasInPrivilegeDefinitions false");
+          return false;
        }
 
        /*
@@ -856,7 +953,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsCatalogsInDataManipulation() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsCatalogsInDataManipulation false");
+          return false;
        }
 
        /*
@@ -867,7 +965,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsCatalogsInProcedureCalls() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsCatalogsInDataManipulation false");
+          return false;
        }
 
        /*
@@ -878,7 +977,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsCatalogsInTableDefinitions() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsCatalogsInTableDefinitions false");
+          return false;
        }
 
        /*
@@ -889,7 +989,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsCatalogsInIndexDefinitions() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsCatalogsInIndexDefinitions false");
+          return false;
        }
 
        /*
@@ -900,7 +1001,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException
        {
-               return false;
+          if (Driver.logDebug) Driver.debug("supportsCatalogsInPrivilegeDefinitions false");
+          return false;
        }
 
        /*
@@ -912,7 +1014,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsPositionedDelete() throws SQLException
        {
-               return false;                   // For now...
+          if (Driver.logDebug) Driver.debug("supportsPositionedDelete false");
+          return false;                        // For now...
        }
 
        /*
@@ -923,7 +1026,8 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsPositionedUpdate() throws SQLException
        {
-               return false;                   // For now...
+          if (Driver.logDebug) Driver.debug("supportsPositionedUpdate false");
+          return false;                        // For now...
        }
 
        /*
@@ -934,7 +1038,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsSelectForUpdate() throws SQLException
        {
-               return connection.haveMinimumServerVersion("6.5");
+          return connection.haveMinimumServerVersion("6.5");
        }
 
        /*
@@ -946,7 +1050,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
         */
        public boolean supportsStoredProcedures() throws SQLException
        {
-               return false;
+          return false;
        }
 
        /*
@@ -1703,7 +1807,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
                        String relKind;
                        switch (r.getBytes(3)[0])
                        {
-                               case (byte) 'r':                                        
+                               case (byte) 'r':
                                        if ( r.getString(1).startsWith("pg_") )
                                         {
                                                 relKind = "SYSTEM TABLE";
@@ -1991,7 +2095,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
 
                        tuple[7] = null;                                                // Buffer length
                        // Decimal digits = scale
-                       // From the source (see e.g. backend/utils/adt/numeric.c,
+                       // From the source (see e.g. backend/utils/adt/format_type.c,
                        // function numeric()) the scale and precision can be calculated
                        // from the typmod value.
                        if (typname.equals("numeric") || typname.equals("decimal"))
@@ -2080,6 +2184,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
                {
                        byte[][] tuple = new byte[8][0];
                        tuple[0] = tuple[1] = "".getBytes();
+                        if (Driver.logDebug) Driver.debug("relname=\"" + r.getString(1) + "\" relacl=\"" + r.getString(2) + "\"");
 
                        // For now, don't add to the result as relacl needs to be processed.
                        //v.addElement(tuple);
@@ -2088,41 +2193,68 @@ public abstract class AbstractJdbc1DatabaseMetaData
                return connection.getResultSet(null, f, v, "OK", 1);
        }
 
-       /*
-        * Get a description of the access rights for each table available
-        * in a catalog.
-        *
-        * This method is currently unimplemented.
-        *
-        * <P>Only privileges matching the schema and table name
-        * criteria are returned.  They are ordered by TABLE_SCHEM,
-        * TABLE_NAME, and PRIVILEGE.
-        *
-        * <P>Each privilige description has the following columns:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
-        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
-        *      <LI><B>TABLE_NAME</B> String => table name
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>GRANTOR</B> => grantor of access (may be null)
-        *      <LI><B>GRANTEE</B> String => grantee of access
-        *      <LI><B>PRIVILEGE</B> String => name of access (SELECT,
-        *              INSERT, UPDATE, REFRENCES, ...)
-        *      <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted
-        *              to grant to others; "NO" if not; null if unknown
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schemaPattern a schema name pattern; "" retrieves those
-        * without a schema
-        * @param tableNamePattern a table name pattern
-        * @return ResultSet each row is a table privilege description
-        * @see #getSearchStringEscape
-        */
-       public java.sql.ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) throws SQLException
-       {
-               throw org.postgresql.Driver.notImplemented();
-       }
+        /*
+        * Get a description of the access rights for each table available
+        * in a catalog.
+        *
+        * This method is currently unimplemented.
+        *
+        * <P>Only privileges matching the schema and table name
+        * criteria are returned.  They are ordered by TABLE_SCHEM,
+        * TABLE_NAME, and PRIVILEGE.
+        *
+        * <P>Each privilige description has the following columns:
+        *      <OL>
+        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
+        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
+        *      <LI><B>TABLE_NAME</B> String => table name
+        *      <LI><B>COLUMN_NAME</B> String => column name
+        *      <LI><B>GRANTOR</B> => grantor of access (may be null)
+        *      <LI><B>GRANTEE</B> String => grantee of access
+        *      <LI><B>PRIVILEGE</B> String => name of access (SELECT,
+        *              INSERT, UPDATE, REFRENCES, ...)
+        *      <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted
+        *              to grant to others; "NO" if not; null if unknown
+        *      </OL>
+        *
+        * @param catalog a catalog name; "" retrieves those without a catalog
+        * @param schemaPattern a schema name pattern; "" retrieves those
+        * without a schema
+        * @param tableNamePattern a table name pattern
+        * @return ResultSet each row is a table privilege description
+        * @see #getSearchStringEscape
+        */
+        public java.sql.ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) throws SQLException
+        {
+          Field f[] = new Field[8];
+          Vector v = new Vector();
+
+          if (tableNamePattern == null)
+            tableNamePattern = "%";
+
+          f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32);
+          f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
+          f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32);
+          f[3] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
+          f[4] = new Field(connection, "GRANTOR", iVarcharOid, 32);
+          f[5] = new Field(connection, "GRANTEE", iVarcharOid, 32);
+          f[6] = new Field(connection, "PRIVILEGE", iVarcharOid, 32);
+          f[7] = new Field(connection, "IS_GRANTABLE", iVarcharOid, 32);
+
+          // This is taken direct from the psql source
+          java.sql.ResultSet r = connection.ExecSQL("SELECT relname, relacl FROM pg_class, pg_user WHERE ( relkind = 'r' OR relkind = 'i') and relname !~ '^pg_' and relname !~ '^xin[vx][0-9]+' and usesysid = relowner and relname like '" + tableNamePattern.toLowerCase() + "' ORDER BY relname");
+          while (r.next())
+          {
+            byte[][] tuple = new byte[8][0];
+            tuple[0] = tuple[1] = "".getBytes();
+            if (Driver.logDebug) Driver.debug("relname=\"" + r.getString(1) + "\" relacl=\"" + r.getString(2) + "\"");
+
+            // For now, don't add to the result as relacl needs to be processed.
+            //v.addElement(tuple);
+          }
+
+          return connection.getResultSet(null, f, v, "OK", 1);
+        }
 
        /*
         * Get a description of a table's optimal set of columns that
@@ -2253,140 +2385,274 @@ public abstract class AbstractJdbc1DatabaseMetaData
                                                                                                                );
        }
 
-       private java.sql.ResultSet getImportedExportedKeys(String catalog, String schema, String primaryTable, String foreignTable) throws SQLException
-       {
-               Field f[] = new Field[14];
-
-               f[0] = new Field(connection, "PKTABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "PKTABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "PKTABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "PKCOLUMN_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "FKTABLE_CAT", iVarcharOid, 32);
-               f[5] = new Field(connection, "FKTABLE_SCHEM", iVarcharOid, 32);
-               f[6] = new Field(connection, "FKTABLE_NAME", iVarcharOid, 32);
-               f[7] = new Field(connection, "FKCOLUMN_NAME", iVarcharOid, 32);
-               f[8] = new Field(connection, "KEY_SEQ", iInt2Oid, 2);
-               f[9] = new Field(connection, "UPDATE_RULE", iInt2Oid, 2);
-               f[10] = new Field(connection, "DELETE_RULE", iInt2Oid, 2);
-               f[11] = new Field(connection, "FK_NAME", iVarcharOid, 32);
-               f[12] = new Field(connection, "PK_NAME", iVarcharOid, 32);
-               f[13] = new Field(connection, "DEFERRABILITY", iInt2Oid, 2);
-
-               java.sql.ResultSet rs = connection.ExecSQL("SELECT c.relname,c2.relname,"
-                                                               + "t.tgconstrname,ic.relname,"
-                                                               + "t.tgdeferrable,t.tginitdeferred,"
-                                                               + "t.tgnargs,t.tgargs,p.proname "
-                                                               + "FROM pg_trigger t,pg_class c,pg_class c2,"
-                                                               + "pg_class ic,pg_proc p, pg_index i "
-                                                               + "WHERE t.tgrelid=c.oid AND t.tgconstrrelid=c2.oid "
-                                                               + "AND t.tgfoid=p.oid AND tgisconstraint "
-                                                               + ((primaryTable != null) ? "AND c.relname='" + primaryTable + "' " : "")
-                                                               + ((foreignTable != null) ? "AND c2.relname='" + foreignTable + "' " : "")
-                                                               + "AND i.indrelid=c.oid "
-                                                               + "AND i.indexrelid=ic.oid AND i.indisprimary "
-                                                               + "ORDER BY c.relname,c2.relname"
-                                                                                                 );
-               Vector tuples = new Vector();
-               short seq = 0;
-               if (rs.next())
-               {
-                       boolean hasMore;
-                       do
-                       {
-                               byte tuple[][] = new byte[14][0];
-                               for (int k = 0;k < 14;k++)
-                                       tuple[k] = null;
+/*
+ SELECT
+        c.relname as primary,
+        c2.relname as foreign,
+        t.tgconstrname,
+        ic.relname as fkeyname,
+        af.attnum as fkeyseq,
+        ipc.relname as pkeyname,
+        ap.attnum as pkeyseq,
+        t.tgdeferrable,
+        t.tginitdeferred,
+        t.tgnargs,t.tgargs,
+        p1.proname as updaterule,
+        p2.proname as deleterule
+FROM
+        pg_trigger t,
+        pg_trigger t1,
+        pg_class c,
+        pg_class c2,
+        pg_class ic,
+        pg_class ipc,
+        pg_proc p1,
+        pg_proc p2,
+        pg_index if,
+        pg_index ip,
+        pg_attribute af,
+        pg_attribute ap
+WHERE
+        (t.tgrelid=c.oid
+        AND t.tgisconstraint
+        AND t.tgconstrrelid=c2.oid
+        AND t.tgfoid=p1.oid
+        and p1.proname like '%%upd')
+
+        and
+        (t1.tgrelid=c.oid
+        and t1.tgisconstraint
+        and t1.tgconstrrelid=c2.oid
+        AND t1.tgfoid=p2.oid
+        and p2.proname like '%%del')
+
+        AND c2.relname='users'
+
+        AND
+        (if.indrelid=c.oid
+        AND if.indexrelid=ic.oid
+        and ic.oid=af.attrelid
+        AND if.indisprimary)
+
+        and
+        (ip.indrelid=c2.oid
+        and ip.indexrelid=ipc.oid
+        and ipc.oid=ap.attrelid
+        and ip.indisprimary)
+
+*/
+/**
+ *
+ * @param catalog
+ * @param schema
+ * @param primaryTable if provided will get the keys exported by this table
+ * @param foreignTable if provided will get the keys imported by this table
+ * @return ResultSet
+ * @throws SQLException
+ */
+
+        protected java.sql.ResultSet getImportedExportedKeys(String catalog, String schema, String primaryTable, String foreignTable) throws SQLException
+        {
+                Field f[] = new Field[14];
+
+                f[0] = new Field(connection, "PKTABLE_CAT", iVarcharOid, 32);
+                f[1] = new Field(connection, "PKTABLE_SCHEM", iVarcharOid, 32);
+                f[2] = new Field(connection, "PKTABLE_NAME", iVarcharOid, 32);
+                f[3] = new Field(connection, "PKCOLUMN_NAME", iVarcharOid, 32);
+                f[4] = new Field(connection, "FKTABLE_CAT", iVarcharOid, 32);
+                f[5] = new Field(connection, "FKTABLE_SCHEM", iVarcharOid, 32);
+                f[6] = new Field(connection, "FKTABLE_NAME", iVarcharOid, 32);
+                f[7] = new Field(connection, "FKCOLUMN_NAME", iVarcharOid, 32);
+                f[8] = new Field(connection, "KEY_SEQ", iInt2Oid, 2);
+                f[9] = new Field(connection, "UPDATE_RULE", iInt2Oid, 2);
+                f[10] = new Field(connection, "DELETE_RULE", iInt2Oid, 2);
+                f[11] = new Field(connection, "FK_NAME", iVarcharOid, 32);
+                f[12] = new Field(connection, "PK_NAME", iVarcharOid, 32);
+                f[13] = new Field(connection, "DEFERRABILITY", iInt2Oid, 2);
+
+                java.sql.ResultSet rs = connection.ExecSQL(
+                "SELECT distinct "
+                  + "c.relname as prelname, "
+                  + "c2.relname as frelname, "
+                  + "t.tgconstrname, "
+                  + "a.attnum as keyseq, "
+                  + "ic.relname as fkeyname, "
+                  + "t.tgdeferrable, "
+                  + "t.tginitdeferred, "
+                  + "t.tgnargs,t.tgargs, "
+                  + "p1.proname as updaterule, "
+                  + "p2.proname as deleterule "
+          + "FROM "
+                  + "pg_trigger t, "
+                  + "pg_trigger t1, "
+                  + "pg_class c, "
+                  + "pg_class c2, "
+                  + "pg_class ic, "
+                  + "pg_proc p1, "
+                  + "pg_proc p2, "
+                  + "pg_index i, "
+                  + "pg_attribute a "
+          + "WHERE "
+                   // isolate the update rule
+                  + "(t.tgrelid=c.oid "
+                  + "AND t.tgisconstraint "
+                  + "AND t.tgconstrrelid=c2.oid "
+                  + "AND t.tgfoid=p1.oid "
+                  + "and p1.proname like '%%upd') "
+
+                  + "and "
+                  // isolate the delete rule
+                  + "(t1.tgrelid=c.oid "
+                  + "and t1.tgisconstraint "
+                  + "and t1.tgconstrrelid=c2.oid "
+                  + "AND t1.tgfoid=p2.oid "
+                  + "and p2.proname like '%%del') "
+
+                  // if we are looking for exported keys then primary table will be used
+                                                                  + ((primaryTable != null) ? "AND c.relname='" + primaryTable + "' " : "")
+
+                  // if we are looking for imported keys then the foreign table will be used
+                                                                  + ((foreignTable != null) ? "AND c2.relname='" + foreignTable + "' " : "")
+                  + "AND i.indrelid=c.oid "
+                  + "AND i.indexrelid=ic.oid "
+                  + "AND ic.oid=a.attrelid "
+                  + "AND i.indisprimary "
+          + "ORDER BY "
+
+                   // orderby is as follows getExported, orders by FKTABLE,
+                   // getImported orders by PKTABLE
+                   // getCrossReference orders by FKTABLE, so this should work for both,
+                   // since when getting crossreference, primaryTable will be defined
+
+                  +   (primaryTable != null ? "frelname" : "prelname") + ",keyseq");
+
+// returns the following columns
+// and some example data with a table defined as follows
+
+// create table people ( id int primary key);
+// create table policy ( id int primary key);
+// create table users  ( id int primary key, people_id int references people(id), policy_id int references policy(id))
+
+// prelname | frelname | tgconstrname | keyseq | fkeyName    | tgdeferrable | tginitdeferred
+//    1     |    2     |      3       |    4   |     5       |       6      |    7
+
+//  people  | users    | <unnamed>    |    1   | people_pkey |       f      |    f
+
+// | tgnargs |                        tgargs                                      | updaterule           | deleterule
+// |    8    |                          9                                         |    10                |    11
+// |    6    | <unnamed>\000users\000people\000UNSPECIFIED\000people_id\000id\000 | RI_FKey_noaction_upd | RI_FKey_noaction_del
+
+                Vector tuples = new Vector();
+
+
+                while ( rs.next() )
+                {
+                        byte tuple[][] = new byte[14][];
+
+      tuple[2] = rs.getBytes(1); //PKTABLE_NAME
+      tuple[6] = rs.getBytes(2); //FKTABLE_NAME
+      String fKeyName = rs.getString(3);
+      String updateRule = rs.getString(10);
+
+      if (updateRule != null )
+      {
+        // Rules look like this RI_FKey_noaction_del so we want to pull out the part between the 'Key_' and the last '_' s
+
+        String rule = updateRule.substring(8, updateRule.length() - 4);
+
+        int action = java.sql.DatabaseMetaData.importedKeyNoAction;
+
+        if ( rule == null || "noaction".equals(rule) )
+           action = java.sql.DatabaseMetaData.importedKeyNoAction;
+        if ("cascade".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeyCascade;
+        else if ("setnull".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeySetNull;
+        else if ("setdefault".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeySetDefault;
+        else if ("restrict".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeyRestrict;
+
+        tuple[9] = Integer.toString(action).getBytes();
+
+      }
+
+      String deleteRule = rs.getString(11);
+
+      if ( deleteRule != null )
+      {
+
+        String rule = updateRule.substring(8, updateRule.length() - 4);
+
+        int action = java.sql.DatabaseMetaData.importedKeyNoAction;
+        if ("cascade".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeyCascade;
+        else if ("setnull".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeySetNull;
+        else if ("setdefault".equals(rule))
+          action = java.sql.DatabaseMetaData.importedKeySetDefault;
+        tuple[10] = Integer.toString(action).getBytes();
+      }
+
 
-                               String fKeyName = rs.getString(3);
-                               boolean foundRule = false;
-                               do
-                               {
-                                       String proname = rs.getString(9);
-                                       if (proname != null && proname.startsWith("RI_FKey_"))
-                                       {
-                                               int col = -1;
-                                               if (proname.endsWith("_upd"))
-                                                       col = 9; // UPDATE_RULE
-                                               else if (proname.endsWith("_del"))
-                                                       col = 10; // DELETE_RULE
-                                               if (col > -1)
-                                               {
-                                                       String rule = proname.substring(8, proname.length() - 4);
-                                                       int action = java.sql.DatabaseMetaData.importedKeyNoAction;
-                                                       if ("cascade".equals(rule))
-                                                               action = java.sql.DatabaseMetaData.importedKeyCascade;
-                                                       else if ("setnull".equals(rule))
-                                                               action = java.sql.DatabaseMetaData.importedKeySetNull;
-                                                       else if ("setdefault".equals(rule))
-                                                               action = java.sql.DatabaseMetaData.importedKeySetDefault;
-                                                       tuple[col] = Integer.toString(action).getBytes();
-
-                                                       if (!foundRule)
-                                                       {
-                                                               tuple[2] = rs.getBytes(1); //PKTABLE_NAME
-                                                               tuple[6] = rs.getBytes(2); //FKTABLE_NAME
-
-                                                               // Parse the tgargs data
-                                                               StringBuffer fkeyColumns = new StringBuffer();
-                                                               StringBuffer pkeyColumns = new StringBuffer();
-                                                               int numColumns = (rs.getInt(7) >> 1) - 2;
-                                                               String s = rs.getString(8);
-                                                               int pos = s.lastIndexOf("\\000");
-                                                               for (int c = 0;c < numColumns;c++)
-                                                               {
-                                                                       if (pos > -1)
-                                                                       {
-                                                                               int pos2 = s.lastIndexOf("\\000", pos - 1);
-                                                                               if (pos2 > -1)
-                                                                               {
-                                                                                       if (pkeyColumns.length() > 0)
-                                                                                               pkeyColumns.insert(0, ',');
-                                                                                       pkeyColumns.insert(0, s.substring(pos2 + 4, pos)); //PKCOLUMN_NAME
-                                                                                       pos = s.lastIndexOf("\\000", pos2 - 1);
-                                                                                       if (pos > -1)
-                                                                                       {
-                                                                                               if (fkeyColumns.length() > 0)
-                                                                                                   fkeyColumns.insert(0, ',');
-                                                                                               fkeyColumns.insert(0, s.substring(pos + 4, pos2)); //FKCOLUMN_NAME
-                                                                                       }
-                                                                               }
-                                                                       }
-                                                               }
-                                                               tuple[3] = pkeyColumns.toString().getBytes(); //PKCOLUMN_NAME
-                                                               tuple[7] = fkeyColumns.toString().getBytes(); //FKCOLUMN_NAME
-
-                                                               tuple[8] = Integer.toString(seq++).getBytes(); //KEY_SEQ
-                                                               tuple[11] = fKeyName.getBytes(); //FK_NAME
-                                                               tuple[12] = rs.getBytes(4); //PK_NAME
-
-                                                               // DEFERRABILITY
-                                                               int deferrability = java.sql.DatabaseMetaData.importedKeyNotDeferrable;
-                                                               boolean deferrable = rs.getBoolean(5);
-                                                               boolean initiallyDeferred = rs.getBoolean(6);
-                                                               if (deferrable)
-                                                               {
-                                                                       if (initiallyDeferred)
-                                                                               deferrability = java.sql.DatabaseMetaData.importedKeyInitiallyDeferred;
-                                                                       else
-                                                                               deferrability = java.sql.DatabaseMetaData.importedKeyInitiallyImmediate;
-                                                               }
-                                                               tuple[13] = Integer.toString(deferrability).getBytes();
-
-                                                               foundRule = true;
-                                                       }
-                                               }
-                                       }
-                               }
-                               while ((hasMore = rs.next()) && fKeyName.equals(rs.getString(3)));
+      // Parse the tgargs data
+      String fkeyColumn="";
+      String pkeyColumn="";
 
-                               if(foundRule) tuples.addElement(tuple);
 
-                       }
-                       while (hasMore);
-               }
+      // Note, I am guessing at most of this, but it should be close
+      // if not, please correct
+      // the keys are in pairs and start after the first four arguments
+      // the arguments are seperated by \000
 
-               return connection.getResultSet(null, f, tuples, "OK", 1);
-       }
+      int keySequence = rs.getInt(4); //KEY_SEQ
+
+      // get the args
+      String targs = rs.getString(9);
+
+      // args look like this
+      //<unnamed>\000ww\000vv\000UNSPECIFIED\000m\000a\000n\000b\000
+      // we are primarily interested in the column names which are the last items in the string
+
+      StringTokenizer st = new StringTokenizer(targs, "\\000");
+
+      int advance = 4 + (keySequence-1) * 2;
+      for( int i=0; st.hasMoreTokens() && i < advance ; i++ ) st.nextToken(); // advance to the key column of interest
+
+      if ( st.hasMoreTokens() )
+      {
+        fkeyColumn = st.nextToken();
+      }
+      if ( st.hasMoreTokens() )
+      {
+         pkeyColumn = st.nextToken();
+      }
+
+      tuple[3] = pkeyColumn.getBytes(); //PKCOLUMN_NAME
+      tuple[7] = fkeyColumn.getBytes(); //FKCOLUMN_NAME
+
+      tuple[8] =  rs.getBytes(4); //KEY_SEQ
+      tuple[11] = targs.getBytes(); //FK_NAME this will give us a unique name for the foreign key
+      tuple[12] = rs.getBytes(5); //PK_NAME
+
+      // DEFERRABILITY
+      int deferrability = java.sql.DatabaseMetaData.importedKeyNotDeferrable;
+      boolean deferrable = rs.getBoolean(6);
+      boolean initiallyDeferred = rs.getBoolean(7);
+      if (deferrable)
+      {
+        if (initiallyDeferred)
+                deferrability = java.sql.DatabaseMetaData.importedKeyInitiallyDeferred;
+        else
+                deferrability = java.sql.DatabaseMetaData.importedKeyInitiallyImmediate;
+      }
+      tuple[13] = Integer.toString(deferrability).getBytes();
+
+      tuples.addElement(tuple);
+    }
+
+    return connection.getResultSet(null, f, tuples, "OK", 1);
+  }
 
        /*
         * Get a description of the primary key columns that are
index 432ee15..bed162f 100644 (file)
@@ -1,5 +1,6 @@
 package org.postgresql.jdbc2;
 
+import org.postgresql.jdbc1.AbstractJdbc1ResultSet;
 import java.sql.*;
 import java.util.*;
 
@@ -15,3052 +16,6 @@ public abstract class AbstractJdbc2DatabaseMetaData extends org.postgresql.jdbc1
            super(conn);
        }
 
-       /*
-        * Can all the procedures returned by getProcedures be called
-        * by the current user?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean allProceduresAreCallable() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("allProceduresAreCallable");
-               return true;            // For now...
-       }
-
-       /*
-        * Can all the tables returned by getTable be SELECTed by
-        * the current user?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean allTablesAreSelectable() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("allTablesAreSelectable");
-               return true;            // For now...
-       }
-
-       /*
-        * What is the URL for this database?
-        *
-        * @return the url or null if it cannott be generated
-        * @exception SQLException if a database access error occurs
-        */
-       public String getURL() throws SQLException
-       {
-               String url = connection.getURL();
-               if (Driver.logDebug) Driver.debug("getURL " + url);
-               return url;
-       }
-
-       /*
-        * What is our user name as known to the database?
-        *
-        * @return our database user name
-        * @exception SQLException if a database access error occurs
-        */
-       public String getUserName() throws SQLException
-       {
-               String userName = connection.getUserName();
-               if (Driver.logDebug) Driver.debug("getUserName " + userName);
-               return userName;
-       }
-
-       /*
-        * Is the database in read-only mode?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean isReadOnly() throws SQLException
-       {
-               boolean isReadOnly = connection.isReadOnly();
-               if (Driver.logDebug) Driver.debug("isReadOnly " + isReadOnly);
-               return isReadOnly;
-       }
-
-       /*
-        * Are NULL values sorted high?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean nullsAreSortedHigh() throws SQLException
-       {
-               boolean nullSortedHigh = connection.haveMinimumServerVersion("7.2");
-               if (Driver.logDebug) Driver.debug("nullsAreSortedHigh " + nullSortedHigh);
-               return nullSortedHigh;
-       }
-
-       /*
-        * Are NULL values sorted low?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean nullsAreSortedLow() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("nullsAreSortedLow false");
-               return false;
-       }
-
-       /*
-        * Are NULL values sorted at the start regardless of sort order?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean nullsAreSortedAtStart() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("nullsAreSortedAtStart false");
-               return false;
-       }
-
-       /*
-        * Are NULL values sorted at the end regardless of sort order?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean nullsAreSortedAtEnd() throws SQLException
-       {
-               boolean nullsAreSortedAtEnd = ! connection.haveMinimumServerVersion("7.2");
-               if (Driver.logDebug) Driver.debug("nullsAreSortedAtEnd " + nullsAreSortedAtEnd);
-               return nullsAreSortedAtEnd;
-       }
-
-       /*
-        * What is the name of this database product - we hope that it is
-        * PostgreSQL, so we return that explicitly.
-        *
-        * @return the database product name
-        * @exception SQLException if a database access error occurs
-        */
-       public String getDatabaseProductName() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getDatabaseProductName PostgresSQL");
-               return "PostgreSQL";
-       }
-
-       /*
-        * What is the version of this database product.
-        *
-        * @return the database version
-        * @exception SQLException if a database access error occurs
-        */
-       public String getDatabaseProductVersion() throws SQLException
-       {
-               String versionNumber = connection.getDBVersionNumber();
-               if (Driver.logDebug) Driver.debug("getDatabaseProductVersion " + versionNumber);
-               return versionNumber;
-       }
-
-       /*
-        * What is the name of this JDBC driver?  If we don't know this
-        * we are doing something wrong!
-        *
-        * @return the JDBC driver name
-        * @exception SQLException why?
-        */
-       public String getDriverName() throws SQLException
-       {
-               String driverName = "PostgreSQL Native Driver";
-               if (Driver.logDebug) Driver.debug("getDriverName" + driverName);
-               return driverName;
-       }
-
-       /*
-        * What is the version string of this JDBC driver?      Again, this is
-        * static.
-        *
-        * @return the JDBC driver name.
-        * @exception SQLException why?
-        */
-       public String getDriverVersion() throws SQLException
-       {
-               String driverVersion = connection.this_driver.getVersion();
-               if (Driver.logDebug) Driver.debug("getDriverVersion " + driverVersion);
-               return driverVersion;
-       }
-
-       /*
-        * What is this JDBC driver's major version number?
-        *
-        * @return the JDBC driver major version
-        */
-       public int getDriverMajorVersion()
-       {
-               int majorVersion = connection.this_driver.getMajorVersion();
-               if (Driver.logDebug) Driver.debug("getMajorVersion " + majorVersion);
-               return majorVersion;
-       }
-
-       /*
-        * What is this JDBC driver's minor version number?
-        *
-        * @return the JDBC driver minor version
-        */
-       public int getDriverMinorVersion()
-       {
-               int minorVersion = connection.this_driver.getMinorVersion();
-               if (Driver.logDebug) Driver.debug("getMinorVersion " + minorVersion);
-               return minorVersion;
-       }
-
-       /*
-        * Does the database store tables in a local file?      No - it
-        * stores them in a file on the server.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean usesLocalFiles() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("usesLocalFiles " + false);
-               return false;
-       }
-
-       /*
-        * Does the database use a file for each table?  Well, not really,
-        * since it doesnt use local files.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean usesLocalFilePerTable() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("usesLocalFilePerTable " + false);
-               return false;
-       }
-
-       /*
-        * Does the database treat mixed case unquoted SQL identifiers
-        * as case sensitive and as a result store them in mixed case?
-        * A JDBC-Compliant driver will always return false.
-        *
-        * <p>Predicament - what do they mean by "SQL identifiers" - if it
-        * means the names of the tables and columns, then the answers
-        * given below are correct - otherwise I don't know.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsMixedCaseIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsMixedCaseIdentifiers " + false);
-               return false;
-       }
-
-       /*
-        * Does the database treat mixed case unquoted SQL identifiers as
-        * case insensitive and store them in upper case?
-        *
-        * @return true if so
-        */
-       public boolean storesUpperCaseIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("storesUpperCaseIdentifiers " + false);
-               return false;
-       }
-
-       /*
-        * Does the database treat mixed case unquoted SQL identifiers as
-        * case insensitive and store them in lower case?
-        *
-        * @return true if so
-        */
-       public boolean storesLowerCaseIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("storesLowerCaseIdentifiers " + true);
-               return true;
-       }
-
-       /*
-        * Does the database treat mixed case unquoted SQL identifiers as
-        * case insensitive and store them in mixed case?
-        *
-        * @return true if so
-        */
-       public boolean storesMixedCaseIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("storesMixedCaseIdentifiers " + false);
-               return false;
-       }
-
-       /*
-        * Does the database treat mixed case quoted SQL identifiers as
-        * case sensitive and as a result store them in mixed case?  A
-        * JDBC compliant driver will always return true.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsMixedCaseQuotedIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsMixedCaseQuotedIdentifiers " + true);
-               return true;
-       }
-
-       /*
-        * Does the database treat mixed case quoted SQL identifiers as
-        * case insensitive and store them in upper case?
-        *
-        * @return true if so
-        */
-       public boolean storesUpperCaseQuotedIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("storesUpperCaseQuotedIdentifiers " + false);
-               return false;
-       }
-
-       /*
-        * Does the database treat mixed case quoted SQL identifiers as case
-        * insensitive and store them in lower case?
-        *
-        * @return true if so
-        */
-       public boolean storesLowerCaseQuotedIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("storesLowerCaseQuotedIdentifiers " + false);
-               return false;
-       }
-
-       /*
-        * Does the database treat mixed case quoted SQL identifiers as case
-        * insensitive and store them in mixed case?
-        *
-        * @return true if so
-        */
-       public boolean storesMixedCaseQuotedIdentifiers() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("storesMixedCaseQuotedIdentifiers " + false);
-               return false;
-       }
-
-       /*
-        * What is the string used to quote SQL identifiers?  This returns
-        * a space if identifier quoting isn't supported.  A JDBC Compliant
-        * driver will always use a double quote character.
-        *
-        * @return the quoting string
-        * @exception SQLException if a database access error occurs
-        */
-       public String getIdentifierQuoteString() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getIdentifierQuoteString \"" );
-               return "\"";
-       }
-
-       /*
-        * Get a comma separated list of all a database's SQL keywords that
-        * are NOT also SQL92 keywords.
-        *
-        * <p>Within PostgreSQL, the keywords are found in
-        *      src/backend/parser/keywords.c
-        *
-        * <p>For SQL Keywords, I took the list provided at
-        *      <a href="http://web.dementia.org/~shadow/sql/sql3bnf.sep93.txt">
-        * http://web.dementia.org/~shadow/sql/sql3bnf.sep93.txt</a>
-        * which is for SQL3, not SQL-92, but it is close enough for
-        * this purpose.
-        *
-        * @return a comma separated list of keywords we use
-        * @exception SQLException if a database access error occurs
-        */
-       public String getSQLKeywords() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getSQLKeyWords");
-               return "abort,acl,add,aggregate,append,archive,arch_store,backward,binary,change,cluster,copy,database,delimiter,delimiters,do,extend,explain,forward,heavy,index,inherits,isnull,light,listen,load,merge,nothing,notify,notnull,oids,purge,rename,replace,retrieve,returns,rule,recipe,setof,stdin,stdout,store,vacuum,verbose,version";
-       }
-
-       public String getNumericFunctions() throws SQLException
-       {
-               // XXX-Not Implemented
-               if (Driver.logDebug) Driver.debug("getNumericFunctions");
-               return "";
-       }
-
-       public String getStringFunctions() throws SQLException
-       {
-               // XXX-Not Implemented
-               if (Driver.logDebug) Driver.debug("getStringFunctions");
-               return "";
-       }
-
-       public String getSystemFunctions() throws SQLException
-       {
-               // XXX-Not Implemented
-               if (Driver.logDebug) Driver.debug("getSystemFunctions");
-               return "";
-       }
-
-       public String getTimeDateFunctions() throws SQLException
-       {
-               // XXX-Not Implemented
-               if (Driver.logDebug) Driver.debug("getTimeDateFunctions");
-               return "";
-       }
-
-       /*
-        * This is the string that can be used to escape '_' and '%' in
-        * a search string pattern style catalog search parameters
-        *
-        * @return the string used to escape wildcard characters
-        * @exception SQLException if a database access error occurs
-        */
-       public String getSearchStringEscape() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getSearchStringEscape");
-               return "\\";
-       }
-
-       /*
-        * Get all the "extra" characters that can be used in unquoted
-        * identifier names (those beyond a-zA-Z0-9 and _)
-        *
-        * <p>From the file src/backend/parser/scan.l, an identifier is
-        * {letter}{letter_or_digit} which makes it just those listed
-        * above.
-        *
-        * @return a string containing the extra characters
-        * @exception SQLException if a database access error occurs
-        */
-       public String getExtraNameCharacters() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getExtraNameCharacters");
-               return "";
-       }
-
-       /*
-        * Is "ALTER TABLE" with an add column supported?
-        * Yes for PostgreSQL 6.1
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsAlterTableWithAddColumn() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsAlterTableWithAddColumn " + true);
-               return true;
-       }
-
-       /*
-        * Is "ALTER TABLE" with a drop column supported?
-        * Peter 10/10/2000 This was set to true, but 7.1devel doesn't support it!
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsAlterTableWithDropColumn() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsAlterTableWithDropColumn " + false);
-               return false;
-       }
-
-       /*
-        * Is column aliasing supported?
-        *
-        * <p>If so, the SQL AS clause can be used to provide names for
-        * computed columns or to provide alias names for columns as
-        * required.  A JDBC Compliant driver always returns true.
-        *
-        * <p>e.g.
-        *
-        * <br><pre>
-        * select count(C) as C_COUNT from T group by C;
-        *
-        * </pre><br>
-        * should return a column named as C_COUNT instead of count(C)
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsColumnAliasing() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsColumnAliasing " + true);
-               return true;
-       }
-
-       /*
-        * Are concatenations between NULL and non-NULL values NULL?  A
-        * JDBC Compliant driver always returns true
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean nullPlusNonNullIsNull() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("nullPlusNonNullIsNull " + true);
-               return true;
-       }
-
-       public boolean supportsConvert() throws SQLException
-       {
-               // XXX-Not Implemented
-               if (Driver.logDebug) Driver.debug("supportsConvert " + false);
-               return false;
-       }
-
-       public boolean supportsConvert(int fromType, int toType) throws SQLException
-       {
-               // XXX-Not Implemented
-               if (Driver.logDebug) Driver.debug("supportsConvert " + false);
-               return false;
-       }
-
-       /*
-        * Are table correlation names supported? A JDBC Compliant
-        * driver always returns true.
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsTableCorrelationNames() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsTableCorrelationNames " + true);
-               return true;
-       }
-
-       /*
-        * If table correlation names are supported, are they restricted to
-        * be different from the names of the tables?
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsDifferentTableCorrelationNames() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsDifferentTableCorrelationNames " + false);
-               return false;
-       }
-
-       /*
-        * Are expressions in "ORDER BY" lists supported?
-        *
-        * <br>e.g. select * from t order by a + b;
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsExpressionsInOrderBy() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsExpressionsInOrderBy " + true);
-               return true;
-       }
-
-       /*
-        * Can an "ORDER BY" clause use columns not in the SELECT?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsOrderByUnrelated() throws SQLException
-       {
-               boolean supportsOrderByUnrelated = connection.haveMinimumServerVersion("6.4");
-               if (Driver.logDebug) Driver.debug("supportsOrderByUnrelated " + supportsOrderByUnrelated);
-               return supportsOrderByUnrelated;
-       }
-
-       /*
-        * Is some form of "GROUP BY" clause supported?
-        * I checked it, and yes it is.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsGroupBy() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsGroupBy " + true);
-               return true;
-       }
-
-       /*
-        * Can a "GROUP BY" clause use columns not in the SELECT?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsGroupByUnrelated() throws SQLException
-       {
-               boolean supportsGroupByUnrelated = connection.haveMinimumServerVersion("6.4");
-               if (Driver.logDebug) Driver.debug("supportsGroupByUnrelated " + supportsGroupByUnrelated);
-               return supportsGroupByUnrelated;
-       }
-
-       /*
-        * Can a "GROUP BY" clause add columns not in the SELECT provided
-        * it specifies all the columns in the SELECT?  Does anyone actually
-        * understand what they mean here?
-        *
-        * (I think this is a subset of the previous function. -- petere)
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsGroupByBeyondSelect() throws SQLException
-       {
-               boolean supportsGroupByBeyondSelect = connection.haveMinimumServerVersion("6.4");
-               if (Driver.logDebug) Driver.debug("supportsGroupByUnrelated " + supportsGroupByBeyondSelect);
-               return supportsGroupByBeyondSelect;
-       }
-
-       /*
-        * Is the escape character in "LIKE" clauses supported?  A
-        * JDBC compliant driver always returns true.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsLikeEscapeClause() throws SQLException
-       {
-               boolean supportsLikeEscapeClause = connection.haveMinimumServerVersion("7.1");
-               if (Driver.logDebug) Driver.debug("supportsLikeEscapeClause " + supportsLikeEscapeClause);
-               return supportsLikeEscapeClause;
-       }
-
-       /*
-        * Are multiple ResultSets from a single execute supported?
-        * Well, I implemented it, but I dont think this is possible from
-        * the back ends point of view.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsMultipleResultSets() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsMultipleResultSets " + false);
-               return false;
-       }
-
-       /*
-        * Can we have multiple transactions open at once (on different
-        * connections?)
-        * I guess we can have, since Im relying on it.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsMultipleTransactions() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsMultipleTransactions " + true);
-               return true;
-       }
-
-       /*
-        * Can columns be defined as non-nullable.      A JDBC Compliant driver
-        * always returns true.
-        *
-        * <p>This changed from false to true in v6.2 of the driver, as this
-        * support was added to the backend.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsNonNullableColumns() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsNonNullableColumns true");
-               return true;
-       }
-
-       /*
-        * Does this driver support the minimum ODBC SQL grammar.  This
-        * grammar is defined at:
-        *
-        * <p><a href="http://www.microsoft.com/msdn/sdk/platforms/doc/odbc/src/intropr.htm">http://www.microsoft.com/msdn/sdk/platforms/doc/odbc/src/intropr.htm</a>
-        *
-        * <p>In Appendix C.  From this description, we seem to support the
-        * ODBC minimal (Level 0) grammar.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsMinimumSQLGrammar() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsMinimumSQLGrammar TRUE");
-               return true;
-       }
-
-       /*
-        * Does this driver support the Core ODBC SQL grammar.  We need
-        * SQL-92 conformance for this.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsCoreSQLGrammar() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsCoreSQLGrammar FALSE ");
-               return false;
-       }
-
-       /*
-        * Does this driver support the Extended (Level 2) ODBC SQL
-        * grammar.  We don't conform to the Core (Level 1), so we can't
-        * conform to the Extended SQL Grammar.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsExtendedSQLGrammar() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsExtendedSQLGrammar FALSE");
-               return false;
-       }
-
-       /*
-        * Does this driver support the ANSI-92 entry level SQL grammar?
-        * All JDBC Compliant drivers must return true.  We currently
-        * report false until 'schema' support is added.  Then this
-        * should be changed to return true, since we will be mostly
-        * compliant (probably more compliant than many other databases)
-        * And since this is a requirement for all JDBC drivers we
-        * need to get to the point where we can return true.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsANSI92EntryLevelSQL() throws SQLException
-       {
-               boolean schemas = connection.haveMinimumServerVersion("7.3");
-               if (Driver.logDebug) Driver.debug("supportsANSI92EntryLevelSQL " + schemas);
-               return schemas;
-
-       }
-
-       /*
-        * Does this driver support the ANSI-92 intermediate level SQL
-        * grammar?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsANSI92IntermediateSQL() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsANSI92IntermediateSQL false ");
-               return false;
-       }
-
-       /*
-        * Does this driver support the ANSI-92 full SQL grammar?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsANSI92FullSQL() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsANSI92FullSQL false ");
-               return false;
-       }
-
-       /*
-        * Is the SQL Integrity Enhancement Facility supported?
-        * I haven't seen this mentioned anywhere, so I guess not
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsIntegrityEnhancementFacility() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsIntegrityEnhancementFacility false ");
-               return false;
-       }
-
-       /*
-        * Is some form of outer join supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsOuterJoins() throws SQLException
-       {
-               boolean supportsOuterJoins = connection.haveMinimumServerVersion("7.1");
-               if (Driver.logDebug) Driver.debug("supportsOuterJoins " + supportsOuterJoins);
-               return supportsOuterJoins;
-       }
-
-       /*
-        * Are full nexted outer joins supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsFullOuterJoins() throws SQLException
-       {
-               boolean supportsFullOuterJoins = connection.haveMinimumServerVersion("7.1");
-               if (Driver.logDebug) Driver.debug("supportsFullOuterJoins " + supportsFullOuterJoins);
-               return supportsFullOuterJoins;
-       }
-
-       /*
-        * Is there limited support for outer joins?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsLimitedOuterJoins() throws SQLException
-       {
-               boolean supportsLimitedOuterJoins = connection.haveMinimumServerVersion("7.1");
-               if (Driver.logDebug) Driver.debug("supportsFullOuterJoins " + supportsLimitedOuterJoins);
-               return supportsLimitedOuterJoins;
-       }
-
-       /*
-        * What is the database vendor's preferred term for "schema"?
-        * PostgreSQL doesn't have schemas, but when it does, we'll use the
-        * term "schema".
-        *
-        * @return the vendor term
-        * @exception SQLException if a database access error occurs
-        */
-       public String getSchemaTerm() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getSchemaTerm schema");
-               return "schema";
-       }
-
-       /*
-        * What is the database vendor's preferred term for "procedure"?
-        * Traditionally, "function" has been used.
-        *
-        * @return the vendor term
-        * @exception SQLException if a database access error occurs
-        */
-       public String getProcedureTerm() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getProcedureTerm function ");
-               return "function";
-       }
-
-       /*
-        * What is the database vendor's preferred term for "catalog"?
-        *
-        * @return the vendor term
-        * @exception SQLException if a database access error occurs
-        */
-       public String getCatalogTerm() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("getCatalogTerm database ");
-               return "database";
-       }
-
-       /*
-        * Does a catalog appear at the start of a qualified table name?
-        * (Otherwise it appears at the end).
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean isCatalogAtStart() throws SQLException
-       {
-               // return true here; we return false for every other catalog function
-               // so it won't matter what we return here D.C.
-               if (Driver.logDebug) Driver.debug("isCatalogAtStart not implemented");
-               return true;
-       }
-
-       /*
-        * What is the Catalog separator.
-        *
-        * @return the catalog separator string
-        * @exception SQLException if a database access error occurs
-        */
-       public String getCatalogSeparator() throws SQLException
-       {
-               // Give them something to work with here
-               // everything else returns false so it won't matter what we return here D.C.
-               if (Driver.logDebug) Driver.debug("getCatalogSeparator not implemented ");
-               return ".";
-       }
-
-       /*
-        * Can a schema name be used in a data manipulation statement?  Nope.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsSchemasInDataManipulation() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsSchemasInDataManipulation false");
-               return false;
-       }
-
-       /*
-        * Can a schema name be used in a procedure call statement?  Nope.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsSchemasInProcedureCalls() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsSchemasInProcedureCalls false");
-               return false;
-       }
-
-       /*
-        * Can a schema be used in a table definition statement?  Nope.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsSchemasInTableDefinitions() throws SQLException
-       {
-               boolean schemas = connection.haveMinimumServerVersion("7.3");
-
-               if (Driver.logDebug) Driver.debug("supportsSchemasInTableDefinitions " + schemas);
-               return schemas;
-       }
-
-       /*
-        * Can a schema name be used in an index definition statement?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsSchemasInIndexDefinitions() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsSchemasInIndexDefinitions false");
-               return false;
-       }
-
-       /*
-        * Can a schema name be used in a privilege definition statement?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsSchemasInPrivilegeDefinitions() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsSchemasInPrivilegeDefinitions false");
-               return false;
-       }
-
-       /*
-        * Can a catalog name be used in a data manipulation statement?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsCatalogsInDataManipulation() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsCatalogsInDataManipulation false");
-               return false;
-       }
-
-       /*
-        * Can a catalog name be used in a procedure call statement?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsCatalogsInProcedureCalls() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsCatalogsInDataManipulation false");
-               return false;
-       }
-
-       /*
-        * Can a catalog name be used in a table definition statement?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsCatalogsInTableDefinitions() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsCatalogsInTableDefinitions false");
-               return false;
-       }
-
-       /*
-        * Can a catalog name be used in an index definition?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsCatalogsInIndexDefinitions() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsCatalogsInIndexDefinitions false");
-               return false;
-       }
-
-       /*
-        * Can a catalog name be used in a privilege definition statement?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsCatalogsInPrivilegeDefinitions false");
-               return false;
-       }
-
-       /*
-        * We support cursors for gets only it seems.  I dont see a method
-        * to get a positioned delete.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsPositionedDelete() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsPositionedDelete false");
-               return false;                   // For now...
-       }
-
-       /*
-        * Is positioned UPDATE supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsPositionedUpdate() throws SQLException
-       {
-               if (Driver.logDebug) Driver.debug("supportsPositionedUpdate false");
-               return false;                   // For now...
-       }
-
-       /*
-        * Is SELECT for UPDATE supported?
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsSelectForUpdate() throws SQLException
-       {
-               return connection.haveMinimumServerVersion("6.5");
-       }
-
-       /*
-        * Are stored procedure calls using the stored procedure escape
-        * syntax supported?
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsStoredProcedures() throws SQLException
-       {
-               return false;
-       }
-
-       /*
-        * Are subqueries in comparison expressions supported? A JDBC
-        * Compliant driver always returns true.
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsSubqueriesInComparisons() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Are subqueries in 'exists' expressions supported? A JDBC
-        * Compliant driver always returns true.
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsSubqueriesInExists() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Are subqueries in 'in' statements supported? A JDBC
-        * Compliant driver always returns true.
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsSubqueriesInIns() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Are subqueries in quantified expressions supported? A JDBC
-        * Compliant driver always returns true.
-        *
-        * (No idea what this is, but we support a good deal of
-        * subquerying.)
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsSubqueriesInQuantifieds() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Are correlated subqueries supported? A JDBC Compliant driver
-        * always returns true.
-        *
-        * (a.k.a. subselect in from?)
-        *
-        * @return true if so; false otherwise
-        * @exception SQLException - if a database access error occurs
-        */
-       public boolean supportsCorrelatedSubqueries() throws SQLException
-       {
-               return connection.haveMinimumServerVersion("7.1");
-       }
-
-       /*
-        * Is SQL UNION supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsUnion() throws SQLException
-       {
-               return true; // since 6.3
-       }
-
-       /*
-        * Is SQL UNION ALL supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsUnionAll() throws SQLException
-       {
-               return connection.haveMinimumServerVersion("7.1");
-       }
-
-       /*
-        * In PostgreSQL, Cursors are only open within transactions.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsOpenCursorsAcrossCommit() throws SQLException
-       {
-               return false;
-       }
-
-       /*
-        * Do we support open cursors across multiple transactions?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsOpenCursorsAcrossRollback() throws SQLException
-       {
-               return false;
-       }
-
-       /*
-        * Can statements remain open across commits?  They may, but
-        * this driver cannot guarentee that.  In further reflection.
-        * we are talking a Statement object here, so the answer is
-        * yes, since the Statement is only a vehicle to ExecSQL()
-        *
-        * @return true if they always remain open; false otherwise
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsOpenStatementsAcrossCommit() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Can statements remain open across rollbacks?  They may, but
-        * this driver cannot guarentee that.  In further contemplation,
-        * we are talking a Statement object here, so the answer is yes,
-        * since the Statement is only a vehicle to ExecSQL() in Connection
-        *
-        * @return true if they always remain open; false otherwise
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsOpenStatementsAcrossRollback() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * How many hex characters can you have in an inline binary literal
-        *
-        * @return the max literal length
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxBinaryLiteralLength() throws SQLException
-       {
-               return 0; // no limit
-       }
-
-       /*
-        * What is the maximum length for a character literal
-        * I suppose it is 8190 (8192 - 2 for the quotes)
-        *
-        * @return the max literal length
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxCharLiteralLength() throws SQLException
-       {
-               return 0; // no limit
-       }
-
-       /*
-        * Whats the limit on column name length.  The description of
-        * pg_class would say '32' (length of pg_class.relname) - we
-        * should probably do a query for this....but....
-        *
-        * @return the maximum column name length
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxColumnNameLength() throws SQLException
-       {
-               return 32;
-       }
-
-       /*
-        * What is the maximum number of columns in a "GROUP BY" clause?
-        *
-        * @return the max number of columns
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxColumnsInGroupBy() throws SQLException
-       {
-               return 0; // no limit
-       }
-
-       /*
-        * What's the maximum number of columns allowed in an index?
-        * 6.0 only allowed one column, but 6.1 introduced multi-column
-        * indices, so, theoretically, its all of them.
-        *
-        * @return max number of columns
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxColumnsInIndex() throws SQLException
-       {
-               return getMaxColumnsInTable();
-       }
-
-       /*
-        * What's the maximum number of columns in an "ORDER BY clause?
-        *
-        * @return the max columns
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxColumnsInOrderBy() throws SQLException
-       {
-               return 0; // no limit
-       }
-
-       /*
-        * What is the maximum number of columns in a "SELECT" list?
-        *
-        * @return the max columns
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxColumnsInSelect() throws SQLException
-       {
-               return 0; // no limit
-       }
-
-       /*
-        * What is the maximum number of columns in a table? From the
-        * CREATE TABLE reference page...
-        *
-        * <p>"The new class is created as a heap with no initial data.  A
-        * class can have no more than 1600 attributes (realistically,
-        * this is limited by the fact that tuple sizes must be less than
-        * 8192 bytes)..."
-        *
-        * @return the max columns
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxColumnsInTable() throws SQLException
-       {
-               return 1600;
-       }
-
-       /*
-        * How many active connection can we have at a time to this
-        * database?  Well, since it depends on postmaster, which just
-        * does a listen() followed by an accept() and fork(), its
-        * basically very high.  Unless the system runs out of processes,
-        * it can be 65535 (the number of aux. ports on a TCP/IP system).
-        * I will return 8192 since that is what even the largest system
-        * can realistically handle,
-        *
-        * @return the maximum number of connections
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxConnections() throws SQLException
-       {
-               return 8192;
-       }
-
-       /*
-        * What is the maximum cursor name length (the same as all
-        * the other F***** identifiers!)
-        *
-        * @return max cursor name length in bytes
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxCursorNameLength() throws SQLException
-       {
-               return 32;
-       }
-
-       /*
-        * Retrieves the maximum number of bytes for an index, including all
-        * of the parts of the index.
-        *
-        * @return max index length in bytes, which includes the composite
-        * of all the constituent parts of the index; a result of zero means
-        * that there is no limit or the limit is not known
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxIndexLength() throws SQLException
-       {
-               return 0; // no limit (larger than an int anyway)
-       }
-
-       public int getMaxSchemaNameLength() throws SQLException
-       {
-               // XXX-Not Implemented
-               return 0;
-       }
-
-       /*
-        * What is the maximum length of a procedure name?
-        * (length of pg_proc.proname used) - again, I really
-        * should do a query here to get it.
-        *
-        * @return the max name length in bytes
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxProcedureNameLength() throws SQLException
-       {
-               return 32;
-       }
-
-       public int getMaxCatalogNameLength() throws SQLException
-       {
-               // XXX-Not Implemented
-               return 0;
-       }
-
-       /*
-        * What is the maximum length of a single row?
-        *
-        * @return max row size in bytes
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxRowSize() throws SQLException
-       {
-               if (connection.haveMinimumServerVersion("7.1"))
-                       return 1073741824;      // 1 GB
-               else
-                       return 8192;            // XXX could be altered
-       }
-
-       /*
-        * Did getMaxRowSize() include LONGVARCHAR and LONGVARBINARY
-        * blobs?  We don't handle blobs yet
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean doesMaxRowSizeIncludeBlobs() throws SQLException
-       {
-               return false;
-       }
-
-       /*
-        * What is the maximum length of a SQL statement?
-        *
-        * @return max length in bytes
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxStatementLength() throws SQLException
-       {
-               if (connection.haveMinimumServerVersion("7.0"))
-                       return 0;               // actually whatever fits in size_t
-               else
-                       return 16384;
-       }
-
-       /*
-        * How many active statements can we have open at one time to
-        * this database?  Basically, since each Statement downloads
-        * the results as the query is executed, we can have many.      However,
-        * we can only really have one statement per connection going
-        * at once (since they are executed serially) - so we return
-        * one.
-        *
-        * @return the maximum
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxStatements() throws SQLException
-       {
-               return 1;
-       }
-
-       /*
-        * What is the maximum length of a table name?  This was found
-        * from pg_class.relname length
-        *
-        * @return max name length in bytes
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxTableNameLength() throws SQLException
-       {
-               return 32;
-       }
-
-       /*
-        * What is the maximum number of tables that can be specified
-        * in a SELECT?
-        *
-        * @return the maximum
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxTablesInSelect() throws SQLException
-       {
-               return 0; // no limit
-       }
-
-       /*
-        * What is the maximum length of a user name?  Well, we generally
-        * use UNIX like user names in PostgreSQL, so I think this would
-        * be 8.  However, showing the schema for pg_user shows a length
-        * for username of 32.
-        *
-        * @return the max name length in bytes
-        * @exception SQLException if a database access error occurs
-        */
-       public int getMaxUserNameLength() throws SQLException
-       {
-               return 32;
-       }
-
-
-       /*
-        * What is the database's default transaction isolation level?  We
-        * do not support this, so all transactions are SERIALIZABLE.
-        *
-        * @return the default isolation level
-        * @exception SQLException if a database access error occurs
-        * @see Connection
-        */
-       public int getDefaultTransactionIsolation() throws SQLException
-       {
-               return Connection.TRANSACTION_READ_COMMITTED;
-       }
-
-       /*
-        * Are transactions supported?  If not, commit and rollback are noops
-        * and the isolation level is TRANSACTION_NONE.  We do support
-        * transactions.
-        *
-        * @return true if transactions are supported
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsTransactions() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Does the database support the given transaction isolation level?
-        * We only support TRANSACTION_SERIALIZABLE and TRANSACTION_READ_COMMITTED
-        *
-        * @param level the values are defined in java.sql.Connection
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        * @see Connection
-        */
-       public boolean supportsTransactionIsolationLevel(int level) throws SQLException
-       {
-               if (level == Connection.TRANSACTION_SERIALIZABLE ||
-                               level == Connection.TRANSACTION_READ_COMMITTED)
-                       return true;
-               else
-                       return false;
-       }
-
-       /*
-        * Are both data definition and data manipulation transactions
-        * supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Are only data manipulation statements withing a transaction
-        * supported?
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean supportsDataManipulationTransactionsOnly() throws SQLException
-       {
-               return false;
-       }
-
-       /*
-        * Does a data definition statement within a transaction force
-        * the transaction to commit?  I think this means something like:
-        *
-        * <p><pre>
-        * CREATE TABLE T (A INT);
-        * INSERT INTO T (A) VALUES (2);
-        * BEGIN;
-        * UPDATE T SET A = A + 1;
-        * CREATE TABLE X (A INT);
-        * SELECT A FROM T INTO X;
-        * COMMIT;
-        * </pre><p>
-        *
-        * does the CREATE TABLE call cause a commit?  The answer is no.
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean dataDefinitionCausesTransactionCommit() throws SQLException
-       {
-               return false;
-       }
-
-       /*
-        * Is a data definition statement within a transaction ignored?
-        * It seems to be (from experiment in previous method)
-        *
-        * @return true if so
-        * @exception SQLException if a database access error occurs
-        */
-       public boolean dataDefinitionIgnoredInTransactions() throws SQLException
-       {
-               return true;
-       }
-
-       /*
-        * Get a description of stored procedures available in a catalog
-        *
-        * <p>Only procedure descriptions matching the schema and procedure
-        * name criteria are returned.  They are ordered by PROCEDURE_SCHEM
-        * and PROCEDURE_NAME
-        *
-        * <p>Each procedure description has the following columns:
-        * <ol>
-        * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null)
-        * <li><b>PROCEDURE_SCHEM</b> String => procedure schema (may be null)
-        * <li><b>PROCEDURE_NAME</b> String => procedure name
-        * <li><b>Field 4</b> reserved (make it null)
-        * <li><b>Field 5</b> reserved (make it null)
-        * <li><b>Field 6</b> reserved (make it null)
-        * <li><b>REMARKS</b> String => explanatory comment on the procedure
-        * <li><b>PROCEDURE_TYPE</b> short => kind of procedure
-        *      <ul>
-        *        <li> procedureResultUnknown - May return a result
-        *      <li> procedureNoResult - Does not return a result
-        *      <li> procedureReturnsResult - Returns a result
-        *        </ul>
-        * </ol>
-        *
-        * @param catalog - a catalog name; "" retrieves those without a
-        *      catalog; null means drop catalog name from criteria
-        * @param schemaParrern - a schema name pattern; "" retrieves those
-        *      without a schema - we ignore this parameter
-        * @param procedureNamePattern - a procedure name pattern
-        * @return ResultSet - each row is a procedure description
-        * @exception SQLException if a database access error occurs
-        */
-       public java.sql.ResultSet getProcedures(String catalog, String schemaPattern, String procedureNamePattern) throws SQLException
-       {
-               // the field descriptors for the new ResultSet
-               Field f[] = new Field[8];
-               java.sql.ResultSet r;   // ResultSet for the SQL query that we need to do
-               Vector v = new Vector();                // The new ResultSet tuple stuff
-
-               f[0] = new Field(connection, "PROCEDURE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "PROCEDURE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "PROCEDURE_NAME", iVarcharOid, 32);
-               f[3] = f[4] = f[5] = new Field(connection, "reserved", iVarcharOid, 32);        // null;        // reserved, must be null for now
-               f[6] = new Field(connection, "REMARKS", iVarcharOid, 8192);
-               f[7] = new Field(connection, "PROCEDURE_TYPE", iInt2Oid, 2);
-
-               // If the pattern is null, then set it to the default
-               if (procedureNamePattern == null)
-                       procedureNamePattern = "%";
-
-               r = connection.ExecSQL("select proname, proretset from pg_proc where proname like '" + procedureNamePattern.toLowerCase() + "' order by proname");
-
-               while (r.next())
-               {
-                       byte[][] tuple = new byte[8][0];
-
-                       tuple[0] = null;                        // Catalog name
-                       tuple[1] = null;                        // Schema name
-                       tuple[2] = r.getBytes(1);               // Procedure name
-                       tuple[3] = tuple[4] = tuple[5] = null;  // Reserved
-                       tuple[6] = null;
-
-                       if (r.getBoolean(2))
-                               tuple[7] = Integer.toString(java.sql.DatabaseMetaData.procedureReturnsResult).getBytes();
-                       else
-                               tuple[7] = Integer.toString(java.sql.DatabaseMetaData.procedureNoResult).getBytes();
-
-                       v.addElement(tuple);
-               }
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of a catalog's stored procedure parameters
-        * and result columns.
-        *
-        * <p>Only descriptions matching the schema, procedure and parameter
-        * name criteria are returned. They are ordered by PROCEDURE_SCHEM
-        * and PROCEDURE_NAME. Within this, the return value, if any, is
-        * first. Next are the parameter descriptions in call order. The
-        * column descriptions follow in column number order.
-        *
-        * <p>Each row in the ResultSet is a parameter description or column
-        * description with the following fields:
-        * <ol>
-        * <li><b>PROCEDURE_CAT</b> String => procedure catalog (may be null)
-        * <li><b>PROCEDURE_SCHE</b>M String => procedure schema (may be null)
-        * <li><b>PROCEDURE_NAME</b> String => procedure name
-        * <li><b>COLUMN_NAME</b> String => column/parameter name
-        * <li><b>COLUMN_TYPE</b> Short => kind of column/parameter:
-        * <ul><li>procedureColumnUnknown - nobody knows
-        * <li>procedureColumnIn - IN parameter
-        * <li>procedureColumnInOut - INOUT parameter
-        * <li>procedureColumnOut - OUT parameter
-        * <li>procedureColumnReturn - procedure return value
-        * <li>procedureColumnResult - result column in ResultSet
-        * </ul>
-        * <li><b>DATA_TYPE</b> short => SQL type from java.sql.Types
-        * <li><b>TYPE_NAME</b> String => SQL type name
-        * <li><b>PRECISION</b> int => precision
-        * <li><b>LENGTH</b> int => length in bytes of data
-        * <li><b>SCALE</b> short => scale
-        * <li><b>RADIX</b> short => radix
-        * <li><b>NULLABLE</b> short => can it contain NULL?
-        * <ul><li>procedureNoNulls - does not allow NULL values
-        * <li>procedureNullable - allows NULL values
-        * <li>procedureNullableUnknown - nullability unknown
-        * <li><b>REMARKS</b> String => comment describing parameter/column
-        * </ol>
-        * @param catalog This is ignored in org.postgresql, advise this is set to null
-        * @param schemaPattern This is ignored in org.postgresql, advise this is set to null
-        * @param procedureNamePattern a procedure name pattern
-        * @param columnNamePattern a column name pattern
-        * @return each row is a stored procedure parameter or column description
-        * @exception SQLException if a database-access error occurs
-        * @see #getSearchStringEscape
-        */
-       // Implementation note: This is required for Borland's JBuilder to work
-       public java.sql.ResultSet getProcedureColumns(String catalog, String schemaPattern, String procedureNamePattern, String columnNamePattern) throws SQLException
-       {
-               if (procedureNamePattern == null)
-                       procedureNamePattern = "%";
-
-               if (columnNamePattern == null)
-                       columnNamePattern = "%";
-
-               // for now, this returns an empty result set.
-               Field f[] = new Field[13];
-               ResultSet r;    // ResultSet for the SQL query that we need to do
-               Vector v = new Vector();                // The new ResultSet tuple stuff
-
-               f[0] = new Field(connection, "PROCEDURE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "PROCEDURE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "PROCEDURE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "COLUMN_TYPE", iInt2Oid, 2);
-               f[5] = new Field(connection, "DATA_TYPE", iInt2Oid, 2);
-               f[6] = new Field(connection, "TYPE_NAME", iVarcharOid, 32);
-               f[7] = new Field(connection, "PRECISION", iInt4Oid, 4);
-               f[8] = new Field(connection, "LENGTH", iInt4Oid, 4);
-               f[9] = new Field(connection, "SCALE", iInt2Oid, 2);
-               f[10] = new Field(connection, "RADIX", iInt2Oid, 2);
-               f[11] = new Field(connection, "NULLABLE", iInt2Oid, 2);
-               f[12] = new Field(connection, "REMARKS", iVarcharOid, 32);
-
-               // add query loop here
-
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of tables available in a catalog.
-        *
-        * <p>Only table descriptions matching the catalog, schema, table
-        * name and type criteria are returned. They are ordered by
-        * TABLE_TYPE, TABLE_SCHEM and TABLE_NAME.
-        *
-        * <p>Each table description has the following columns:
-        *
-        * <ol>
-        * <li><b>TABLE_CAT</b> String => table catalog (may be null)
-        * <li><b>TABLE_SCHEM</b> String => table schema (may be null)
-        * <li><b>TABLE_NAME</b> String => table name
-        * <li><b>TABLE_TYPE</b> String => table type. Typical types are "TABLE",
-        * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL
-        * TEMPORARY", "ALIAS", "SYNONYM".
-        * <li><b>REMARKS</b> String => explanatory comment on the table
-        * </ol>
-        *
-        * <p>The valid values for the types parameter are:
-        * "TABLE", "INDEX", "SEQUENCE", "SYSTEM TABLE" and "SYSTEM INDEX"
-        *
-        * @param catalog a catalog name; For org.postgresql, this is ignored, and
-        * should be set to null
-        * @param schemaPattern a schema name pattern; For org.postgresql, this is ignored, and
-        * should be set to null
-        * @param tableNamePattern a table name pattern. For all tables this should be "%"
-        * @param types a list of table types to include; null returns
-        * all types
-        * @return each row is a table description
-        * @exception SQLException if a database-access error occurs.
-        */
-       public java.sql.ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String types[]) throws SQLException
-       {
-               // Handle default value for types
-               if (types == null)
-                       types = defaultTableTypes;
-
-               if (tableNamePattern == null)
-                       tableNamePattern = "%";
-
-               // the field descriptors for the new ResultSet
-               Field f[] = new Field[5];
-               java.sql.ResultSet r;   // ResultSet for the SQL query that we need to do
-               Vector v = new Vector();                // The new ResultSet tuple stuff
-
-               f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "TABLE_TYPE", iVarcharOid, 32);
-               f[4] = new Field(connection, "REMARKS", iVarcharOid, 32);
-
-               // Now form the query
-               StringBuffer sql = new StringBuffer("select relname,oid,relkind from pg_class where (");
-
-               boolean notFirst = false;
-               for (int i = 0;i < types.length;i++)
-               {
-                       for (int j = 0;j < getTableTypes.length;j++)
-                               if (getTableTypes[j][0].equals(types[i]))
-                               {
-                                       if (notFirst)
-                                               sql.append(" or ");
-                                       sql.append(getTableTypes[j][1]);
-                                       notFirst = true;
-                               }
-               }
-
-               // Added by Stefan Andreasen <stefan@linux.kapow.dk>
-               // Now take the pattern into account
-               sql.append(") and relname like '");
-               sql.append(tableNamePattern.toLowerCase());
-               sql.append("' order by relkind, relname");
-
-               // Now run the query
-               r = connection.ExecSQL(sql.toString());
-
-               while (r.next())
-               {
-                       byte[][] tuple = new byte[5][0];
-
-                       // Fetch the description for the table (if any)
-                       String getDescriptionStatement =
-                               connection.haveMinimumServerVersion("7.2") ?
-                               "select obj_description(" + r.getInt(2) + ",'pg_class')" :
-                               "select description from pg_description where objoid=" + r.getInt(2);
-
-                       java.sql.ResultSet dr = connection.ExecSQL(getDescriptionStatement);
-
-                       byte remarks[] = null;
-
-                       if (((AbstractJdbc2ResultSet)dr).getTupleCount() == 1)
-                       {
-                               dr.next();
-                               remarks = dr.getBytes(1);
-                       }
-                       dr.close();
-
-                       String relKind;
-                       switch (r.getBytes(3)[0])
-                       {
-                               case (byte) 'r':
-                                       if ( r.getString(1).startsWith("pg_") )
-                                       {
-                                               relKind = "SYSTEM TABLE";
-                                       }
-                                       else
-                                       {
-                                               relKind = "TABLE";
-                                       }
-                                       break;
-                               case (byte) 'i':
-                                       relKind = "INDEX";
-                                       break;
-                               case (byte) 'S':
-                                       relKind = "SEQUENCE";
-                                       break;
-                               case (byte) 'v':
-                                       relKind = "VIEW";
-                                       break;
-                               default:
-                                       relKind = null;
-                       }
-
-                       tuple[0] = null;                // Catalog name
-                       tuple[1] = null;                // Schema name
-                       tuple[2] = r.getBytes(1);       // Table name
-                       tuple[3] = (relKind == null) ? null : relKind.getBytes();       // Table type
-                       tuple[4] = remarks;             // Remarks
-                       v.addElement(tuple);
-               }
-               r.close();
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       // This array contains the valid values for the types argument
-       // in getTables().
-       //
-       // Each supported type consists of it's name, and the sql where
-       // clause to retrieve that value.
-       //
-       // IMPORTANT: the query must be enclosed in ( )
-       private static final String getTableTypes[][] = {
-                               {"TABLE", "(relkind='r' and relhasrules='f' and relname !~ '^pg_' and relname !~ '^xinv')"},
-                               {"VIEW", "(relkind='v' and relname !~ '^pg_')"},
-                               {"INDEX", "(relkind='i' and relname !~ '^pg_')"},
-                               {"SEQUENCE", "(relkind='S' and relname !~ '^pg_')"},
-                               {"SYSTEM TABLE", "(relkind='r' and relname ~ '^pg_')"},
-                               {"SYSTEM INDEX", "(relkind='i' and relname ~ '^pg_')"}
-                       };
-
-       // These are the default tables, used when NULL is passed to getTables
-       // The choice of these provide the same behaviour as psql's \d
-       private static final String defaultTableTypes[] = {
-                               "TABLE", "VIEW", "INDEX", "SEQUENCE"
-                       };
-
-       /*
-        * Get the schema names available in this database.  The results
-        * are ordered by schema name.
-        *
-        * <P>The schema column is:
-        *      <OL>
-        *      <LI><B>TABLE_SCHEM</B> String => schema name
-        *      </OL>
-        *
-        * @return ResultSet each row has a single String column that is a
-        * schema name
-        */
-       public java.sql.ResultSet getSchemas() throws SQLException
-       {
-               // We don't use schemas, so we simply return a single schema name "".
-               //
-               Field f[] = new Field[1];
-               Vector v = new Vector();
-               byte[][] tuple = new byte[1][0];
-               f[0] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
-               tuple[0] = "".getBytes();
-               v.addElement(tuple);
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get the catalog names available in this database.  The results
-        * are ordered by catalog name.
-        *
-        * <P>The catalog column is:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => catalog name
-        *      </OL>
-        *
-        * @return ResultSet each row has a single String column that is a
-        * catalog name
-        */
-       public java.sql.ResultSet getCatalogs() throws SQLException
-       {
-               return connection.createStatement().executeQuery("select datname as TABLE_CAT from pg_database;");
-       }
-
-       /*
-        * Get the table types available in this database.      The results
-        * are ordered by table type.
-        *
-        * <P>The table type is:
-        *      <OL>
-        *      <LI><B>TABLE_TYPE</B> String => table type.  Typical types are "TABLE",
-        *                      "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY",
-        *                      "LOCAL TEMPORARY", "ALIAS", "SYNONYM".
-        *      </OL>
-        *
-        * @return ResultSet each row has a single String column that is a
-        * table type
-        */
-       public java.sql.ResultSet getTableTypes() throws SQLException
-       {
-               Field f[] = new Field[1];
-               Vector v = new Vector();
-               f[0] = new Field(connection, new String("TABLE_TYPE"), iVarcharOid, 32);
-               for (int i = 0;i < getTableTypes.length;i++)
-               {
-                       byte[][] tuple = new byte[2][0];
-                       tuple[0] = getTableTypes[i][0].getBytes();
-                       v.addElement(tuple);
-               }
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of table columns available in a catalog.
-        *
-        * <P>Only column descriptions matching the catalog, schema, table
-        * and column name criteria are returned.  They are ordered by
-        * TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION.
-        *
-        * <P>Each column description has the following columns:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
-        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
-        *      <LI><B>TABLE_NAME</B> String => table name
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>DATA_TYPE</B> short => SQL type from java.sql.Types
-        *      <LI><B>TYPE_NAME</B> String => Data source dependent type name
-        *      <LI><B>COLUMN_SIZE</B> int => column size.      For char or date
-        *              types this is the maximum number of characters, for numeric or
-        *              decimal types this is precision.
-        *      <LI><B>BUFFER_LENGTH</B> is not used.
-        *      <LI><B>DECIMAL_DIGITS</B> int => the number of fractional digits
-        *      <LI><B>NUM_PREC_RADIX</B> int => Radix (typically either 10 or 2)
-        *      <LI><B>NULLABLE</B> int => is NULL allowed?
-        *              <UL>
-        *              <LI> columnNoNulls - might not allow NULL values
-        *              <LI> columnNullable - definitely allows NULL values
-        *              <LI> columnNullableUnknown - nullability unknown
-        *              </UL>
-        *      <LI><B>REMARKS</B> String => comment describing column (may be null)
-        *      <LI><B>COLUMN_DEF</B> String => default value (may be null)
-        *      <LI><B>SQL_DATA_TYPE</B> int => unused
-        *      <LI><B>SQL_DATETIME_SUB</B> int => unused
-        *      <LI><B>CHAR_OCTET_LENGTH</B> int => for char types the
-        *               maximum number of bytes in the column
-        *      <LI><B>ORDINAL_POSITION</B> int => index of column in table
-        *              (starting at 1)
-        *      <LI><B>IS_NULLABLE</B> String => "NO" means column definitely
-        *              does not allow NULL values; "YES" means the column might
-        *              allow NULL values.      An empty string means nobody knows.
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schemaPattern a schema name pattern; "" retrieves those
-        * without a schema
-        * @param tableNamePattern a table name pattern
-        * @param columnNamePattern a column name pattern
-        * @return ResultSet each row is a column description
-        * @see #getSearchStringEscape
-        */
-       public java.sql.ResultSet getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) throws SQLException
-       {
-               Vector v = new Vector();                // The new ResultSet tuple stuff
-               Field f[] = new Field[18];              // The field descriptors for the new ResultSet
-
-               f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "DATA_TYPE", iInt2Oid, 2);
-               f[5] = new Field(connection, "TYPE_NAME", iVarcharOid, 32);
-               f[6] = new Field(connection, "COLUMN_SIZE", iInt4Oid, 4);
-               f[7] = new Field(connection, "BUFFER_LENGTH", iVarcharOid, 32);
-               f[8] = new Field(connection, "DECIMAL_DIGITS", iInt4Oid, 4);
-               f[9] = new Field(connection, "NUM_PREC_RADIX", iInt4Oid, 4);
-               f[10] = new Field(connection, "NULLABLE", iInt4Oid, 4);
-               f[11] = new Field(connection, "REMARKS", iVarcharOid, 32);
-               f[12] = new Field(connection, "COLUMN_DEF", iVarcharOid, 32);
-               f[13] = new Field(connection, "SQL_DATA_TYPE", iInt4Oid, 4);
-               f[14] = new Field(connection, "SQL_DATETIME_SUB", iInt4Oid, 4);
-               f[15] = new Field(connection, "CHAR_OCTET_LENGTH", iVarcharOid, 32);
-               f[16] = new Field(connection, "ORDINAL_POSITION", iInt4Oid, 4);
-               f[17] = new Field(connection, "IS_NULLABLE", iVarcharOid, 32);
-
-               StringBuffer sql = new StringBuffer(512);
-
-               /* Build a >= 7.1 SQL statement to list all columns */
-               sql.append("select " +
-                                  (connection.haveMinimumServerVersion("7.2") ? "a.attrelid, " : "a.oid, ") +
-                                  "    c.relname, " +
-                                  "    a.attname, " +
-                                  "    a.atttypid, " +
-                                  "    a.attnum, " +
-                                  "    a.attnotnull, " +
-                                  "    a.attlen, " +
-                                  "    a.atttypmod, " +
-                                  "    d.adsrc, " +
-                                  "    t.typname, " +
-                                  /* Use the new col_description in 7.2 or an additional outer join in 7.1 */
-                                  (connection.haveMinimumServerVersion("7.2") ? "col_description(a.attrelid, a.attnum) " : "e.description ") +
-                                  "from" +
-                                  "    (" +
-                                  "        (pg_class c inner join pg_attribute a on" +
-                                  "            (" +
-                                  "                a.attrelid=c.oid");
-
-               if ((tableNamePattern != null) && ! tableNamePattern.equals("%"))
-               {
-                       sql.append(" and c.relname like \'" + tableNamePattern.toLowerCase() + "\'");
-               }
-
-               if ((columnNamePattern != null) && ! columnNamePattern.equals("%"))
-               {
-                       sql.append(" and a.attname like \'" + columnNamePattern + "\'");
-               }
-
-               sql.append(
-                       " and a.attnum > 0" +
-                       "    )" +
-                       "        ) inner join pg_type t on" +
-                       "            (" +
-                       "                t.oid = a.atttypid" +
-                       "            )" +
-                       "    )" +
-                       "    left outer join pg_attrdef d on" +
-                       "        (" +
-                       "            c.oid = d.adrelid" +
-                       "            and a.attnum = d.adnum" +
-                       "        ) ");
-
-               if (!connection.haveMinimumServerVersion("7.2"))
-               {
-                       /* Only for 7.1 */
-                       sql.append(
-                               "    left outer join pg_description e on" +
-                               "        (" +
-                               "            e.objoid = a.oid" +
-                               "        ) ");
-               }
-
-               sql.append("order by" +
-                                  "    c.relname, a.attnum");
-
-               java.sql.ResultSet r = connection.ExecSQL(sql.toString());
-               while (r.next())
-               {
-                       byte[][] tuple = new byte[18][0];
-
-                       String nullFlag = r.getString(6);
-                       String typname = r.getString(10);
-
-                       tuple[0] = null;                                                // Catalog name, not supported
-                       tuple[1] = null;                                                // Schema name, not supported
-                       tuple[2] = r.getBytes(2);                               // Table name
-                       tuple[3] = r.getBytes(3);                               // Column name
-                       tuple[4] = Integer.toString(connection.getSQLType(typname)).getBytes(); // Data type
-                       tuple[5] = typname.getBytes();                  // Type name
-
-                       // Column size
-                       // Looking at the psql source,
-                       // I think the length of a varchar as specified when the table was created
-                       // should be extracted from atttypmod which contains this length + sizeof(int32)
-                       if (typname.equals("bpchar") || typname.equals("varchar"))
-                       {
-                               int atttypmod = r.getInt(8);
-                               tuple[6] = Integer.toString(atttypmod != -1 ? atttypmod - VARHDRSZ : 0).getBytes();
-                       }
-                       else
-                       {
-                               tuple[6] = r.getBytes(7);
-                       }
-
-                       tuple[7] = null;                                                // Buffer length
-                       // Decimal digits = scale
-                       // From the source (see e.g. backend/utils/adt/format_type.c,
-                       // function numeric()) the scale and precision can be calculated
-                       // from the typmod value.
-                       if (typname.equals("numeric") || typname.equals("decimal"))
-                       {
-                               int attypmod = r.getInt(8) - VARHDRSZ;
-                               tuple[8] =
-                                 Integer.toString( attypmod & 0xffff ).getBytes();
-                               tuple[9] =
-                                       Integer.toString( ( attypmod >> 16 ) & 0xffff ).getBytes();
-                       }
-                       else
-                       {
-                               tuple[8] = "0".getBytes();
-                               tuple[9] = "10".getBytes();                             // Num Prec Radix - assume decimal
-                       }
-                       tuple[10] = Integer.toString(nullFlag.equals("f") ?
-                                                                                java.sql.DatabaseMetaData.columnNullable :
-                                                                                java.sql.DatabaseMetaData.columnNoNulls).getBytes();   // Nullable
-                       tuple[11] = r.getBytes(11);                             // Description (if any)
-                       tuple[12] = r.getBytes(9);                              // Column default
-                       tuple[13] = null;                                               // sql data type (unused)
-                       tuple[14] = null;                                               // sql datetime sub (unused)
-                       tuple[15] = tuple[6];                                   // char octet length
-                       tuple[16] = r.getBytes(5);                              // ordinal position
-                       tuple[17] = (nullFlag.equals("f") ? "YES" : "NO").getBytes();   // Is nullable
-
-                       v.addElement(tuple);
-               }
-               r.close();
-
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of the access rights for a table's columns.
-        *
-        * <P>Only privileges matching the column name criteria are
-        * returned.  They are ordered by COLUMN_NAME and PRIVILEGE.
-        *
-        * <P>Each privilige description has the following columns:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
-        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
-        *      <LI><B>TABLE_NAME</B> String => table name
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>GRANTOR</B> => grantor of access (may be null)
-        *      <LI><B>GRANTEE</B> String => grantee of access
-        *      <LI><B>PRIVILEGE</B> String => name of access (SELECT,
-        *              INSERT, UPDATE, REFRENCES, ...)
-        *      <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted
-        *              to grant to others; "NO" if not; null if unknown
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name; "" retrieves those without a schema
-        * @param table a table name
-        * @param columnNamePattern a column name pattern
-        * @return ResultSet each row is a column privilege description
-        * @see #getSearchStringEscape
-        */
-       public java.sql.ResultSet getColumnPrivileges(String catalog, String schema, String table, String columnNamePattern) throws SQLException
-       {
-               Field f[] = new Field[8];
-               Vector v = new Vector();
-
-               if (table == null)
-                       table = "%";
-
-               if (columnNamePattern == null)
-                       columnNamePattern = "%";
-               else
-                       columnNamePattern = columnNamePattern.toLowerCase();
-
-               f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "GRANTOR", iVarcharOid, 32);
-               f[5] = new Field(connection, "GRANTEE", iVarcharOid, 32);
-               f[6] = new Field(connection, "PRIVILEGE", iVarcharOid, 32);
-               f[7] = new Field(connection, "IS_GRANTABLE", iVarcharOid, 32);
-
-               // This is taken direct from the psql source
-               java.sql.ResultSet r = connection.ExecSQL("SELECT relname, relacl FROM pg_class, pg_user WHERE ( relkind = 'r' OR relkind = 'i') and relname !~ '^pg_' and relname !~ '^xin[vx][0-9]+' and usesysid = relowner and relname like '" + table.toLowerCase() + "' ORDER BY relname");
-               while (r.next())
-               {
-                       byte[][] tuple = new byte[8][0];
-                       tuple[0] = tuple[1] = "".getBytes();
-                       if (Driver.logDebug) Driver.debug("relname=\"" + r.getString(1) + "\" relacl=\"" + r.getString(2) + "\"");
-
-                       // For now, don't add to the result as relacl needs to be processed.
-                       //v.addElement(tuple);
-               }
-
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of the access rights for each table available
-        * in a catalog.
-        *
-        * This method is currently unimplemented.
-        *
-        * <P>Only privileges matching the schema and table name
-        * criteria are returned.  They are ordered by TABLE_SCHEM,
-        * TABLE_NAME, and PRIVILEGE.
-        *
-        * <P>Each privilige description has the following columns:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
-        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
-        *      <LI><B>TABLE_NAME</B> String => table name
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>GRANTOR</B> => grantor of access (may be null)
-        *      <LI><B>GRANTEE</B> String => grantee of access
-        *      <LI><B>PRIVILEGE</B> String => name of access (SELECT,
-        *              INSERT, UPDATE, REFRENCES, ...)
-        *      <LI><B>IS_GRANTABLE</B> String => "YES" if grantee is permitted
-        *              to grant to others; "NO" if not; null if unknown
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schemaPattern a schema name pattern; "" retrieves those
-        * without a schema
-        * @param tableNamePattern a table name pattern
-        * @return ResultSet each row is a table privilege description
-        * @see #getSearchStringEscape
-        */
-       public java.sql.ResultSet getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern) throws SQLException
-       {
-               Field f[] = new Field[8];
-               Vector v = new Vector();
-
-               if (tableNamePattern == null)
-                       tableNamePattern = "%";
-
-               f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "GRANTOR", iVarcharOid, 32);
-               f[5] = new Field(connection, "GRANTEE", iVarcharOid, 32);
-               f[6] = new Field(connection, "PRIVILEGE", iVarcharOid, 32);
-               f[7] = new Field(connection, "IS_GRANTABLE", iVarcharOid, 32);
-
-               // This is taken direct from the psql source
-               java.sql.ResultSet r = connection.ExecSQL("SELECT relname, relacl FROM pg_class, pg_user WHERE ( relkind = 'r' OR relkind = 'i') and relname !~ '^pg_' and relname !~ '^xin[vx][0-9]+' and usesysid = relowner and relname like '" + tableNamePattern.toLowerCase() + "' ORDER BY relname");
-               while (r.next())
-               {
-                       byte[][] tuple = new byte[8][0];
-                       tuple[0] = tuple[1] = "".getBytes();
-                       if (Driver.logDebug) Driver.debug("relname=\"" + r.getString(1) + "\" relacl=\"" + r.getString(2) + "\"");
-
-                       // For now, don't add to the result as relacl needs to be processed.
-                       //v.addElement(tuple);
-               }
-
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of a table's optimal set of columns that
-        * uniquely identifies a row. They are ordered by SCOPE.
-        *
-        * This method is currently not implemented.
-        *
-        * <P>Each column description has the following columns:
-        *      <OL>
-        *      <LI><B>SCOPE</B> short => actual scope of result
-        *              <UL>
-        *              <LI> bestRowTemporary - very temporary, while using row
-        *              <LI> bestRowTransaction - valid for remainder of current transaction
-        *              <LI> bestRowSession - valid for remainder of current session
-        *              </UL>
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>DATA_TYPE</B> short => SQL data type from java.sql.Types
-        *      <LI><B>TYPE_NAME</B> String => Data source dependent type name
-        *      <LI><B>COLUMN_SIZE</B> int => precision
-        *      <LI><B>BUFFER_LENGTH</B> int => not used
-        *      <LI><B>DECIMAL_DIGITS</B> short  => scale
-        *      <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column
-        *              like an Oracle ROWID
-        *              <UL>
-        *              <LI> bestRowUnknown - may or may not be pseudo column
-        *              <LI> bestRowNotPseudo - is NOT a pseudo column
-        *              <LI> bestRowPseudo - is a pseudo column
-        *              </UL>
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name; "" retrieves those without a schema
-        * @param table a table name
-        * @param scope the scope of interest; use same values as SCOPE
-        * @param nullable include columns that are nullable?
-        * @return ResultSet each row is a column description
-        */
-       // Implementation note: This is required for Borland's JBuilder to work
-       public java.sql.ResultSet getBestRowIdentifier(String catalog, String schema, String table, int scope, boolean nullable) throws SQLException
-       {
-               // for now, this returns an empty result set.
-               Field f[] = new Field[8];
-               ResultSet r;    // ResultSet for the SQL query that we need to do
-               Vector v = new Vector();                // The new ResultSet tuple stuff
-
-               f[0] = new Field(connection, "SCOPE", iInt2Oid, 2);
-               f[1] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
-               f[2] = new Field(connection, "DATA_TYPE", iInt2Oid, 2);
-               f[3] = new Field(connection, "TYPE_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "COLUMN_SIZE", iInt4Oid, 4);
-               f[5] = new Field(connection, "BUFFER_LENGTH", iInt4Oid, 4);
-               f[6] = new Field(connection, "DECIMAL_DIGITS", iInt2Oid, 2);
-               f[7] = new Field(connection, "PSEUDO_COLUMN", iInt2Oid, 2);
-
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
-
-       /*
-        * Get a description of a table's columns that are automatically
-        * updated when any value in a row is updated.  They are
-        * unordered.
-        *
-        * This method is currently unimplemented.
-        *
-        * <P>Each column description has the following columns:
-        *      <OL>
-        *      <LI><B>SCOPE</B> short => is not used
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>DATA_TYPE</B> short => SQL data type from java.sql.Types
-        *      <LI><B>TYPE_NAME</B> String => Data source dependent type name
-        *      <LI><B>COLUMN_SIZE</B> int => precision
-        *      <LI><B>BUFFER_LENGTH</B> int => length of column value in bytes
-        *      <LI><B>DECIMAL_DIGITS</B> short  => scale
-        *      <LI><B>PSEUDO_COLUMN</B> short => is this a pseudo column
-        *              like an Oracle ROWID
-        *              <UL>
-        *              <LI> versionColumnUnknown - may or may not be pseudo column
-        *              <LI> versionColumnNotPseudo - is NOT a pseudo column
-        *              <LI> versionColumnPseudo - is a pseudo column
-        *              </UL>
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name; "" retrieves those without a schema
-        * @param table a table name
-        * @return ResultSet each row is a column description
-        */
-       public java.sql.ResultSet getVersionColumns(String catalog, String schema, String table) throws SQLException
-       {
-               throw org.postgresql.Driver.notImplemented();
-       }
-
-       /*
-        * Get a description of a table's primary key columns.  They
-        * are ordered by COLUMN_NAME.
-        *
-        * <P>Each column description has the following columns:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
-        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
-        *      <LI><B>TABLE_NAME</B> String => table name
-        *      <LI><B>COLUMN_NAME</B> String => column name
-        *      <LI><B>KEY_SEQ</B> short => sequence number within primary key
-        *      <LI><B>PK_NAME</B> String => primary key name (may be null)
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name pattern; "" retrieves those
-        * without a schema
-        * @param table a table name
-        * @return ResultSet each row is a primary key column description
-        */
-       public java.sql.ResultSet getPrimaryKeys(String catalog, String schema, String table) throws SQLException
-       {
-               return connection.createStatement().executeQuery("SELECT " +
-                               "'' as TABLE_CAT," +
-                               "'' AS TABLE_SCHEM," +
-                               "bc.relname AS TABLE_NAME," +
-                               "a.attname AS COLUMN_NAME," +
-                               "a.attnum as KEY_SEQ," +
-                               "ic.relname as PK_NAME " +
-                               " FROM pg_class bc, pg_class ic, pg_index i, pg_attribute a" +
-                               " WHERE bc.relkind = 'r' " +   //       -- not indices
-                               "  and upper(bc.relname) = upper('" + table + "')" +
-                               "  and i.indrelid = bc.oid" +
-                               "  and i.indexrelid = ic.oid" +
-                               "  and ic.oid = a.attrelid" +
-                               "  and i.indisprimary='t' " +
-                               " ORDER BY table_name, pk_name, key_seq"
-                                                                                                               );
-       }
-/*
- SELECT
-        c.relname as primary,
-        c2.relname as foreign,
-        t.tgconstrname,
-        ic.relname as fkeyname,
-        af.attnum as fkeyseq,
-        ipc.relname as pkeyname,
-        ap.attnum as pkeyseq,
-        t.tgdeferrable,
-        t.tginitdeferred,
-        t.tgnargs,t.tgargs,
-        p1.proname as updaterule,
-        p2.proname as deleterule
-FROM
-        pg_trigger t,
-        pg_trigger t1,
-        pg_class c,
-        pg_class c2,
-        pg_class ic,
-        pg_class ipc,
-        pg_proc p1,
-        pg_proc p2,
-        pg_index if,
-        pg_index ip,
-        pg_attribute af,
-        pg_attribute ap
-WHERE
-        (t.tgrelid=c.oid
-        AND t.tgisconstraint
-        AND t.tgconstrrelid=c2.oid
-        AND t.tgfoid=p1.oid
-        and p1.proname like '%%upd')
-
-        and
-        (t1.tgrelid=c.oid
-        and t1.tgisconstraint
-        and t1.tgconstrrelid=c2.oid
-        AND t1.tgfoid=p2.oid
-        and p2.proname like '%%del')
-
-        AND c2.relname='users'
-
-        AND
-        (if.indrelid=c.oid
-        AND if.indexrelid=ic.oid
-        and ic.oid=af.attrelid
-        AND if.indisprimary)
-
-        and
-        (ip.indrelid=c2.oid
-        and ip.indexrelid=ipc.oid
-        and ipc.oid=ap.attrelid
-        and ip.indisprimary)
-
-*/
-/**
- *
- * @param catalog
- * @param schema
- * @param primaryTable if provided will get the keys exported by this table
- * @param foreignTable if provided will get the keys imported by this table
- * @return ResultSet
- * @throws SQLException
- */
-
-       private java.sql.ResultSet getImportedExportedKeys(String catalog, String schema, String primaryTable, String foreignTable) throws SQLException
-       {
-               Field f[] = new Field[14];
-
-               f[0] = new Field(connection, "PKTABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "PKTABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "PKTABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "PKCOLUMN_NAME", iVarcharOid, 32);
-               f[4] = new Field(connection, "FKTABLE_CAT", iVarcharOid, 32);
-               f[5] = new Field(connection, "FKTABLE_SCHEM", iVarcharOid, 32);
-               f[6] = new Field(connection, "FKTABLE_NAME", iVarcharOid, 32);
-               f[7] = new Field(connection, "FKCOLUMN_NAME", iVarcharOid, 32);
-               f[8] = new Field(connection, "KEY_SEQ", iInt2Oid, 2);
-               f[9] = new Field(connection, "UPDATE_RULE", iInt2Oid, 2);
-               f[10] = new Field(connection, "DELETE_RULE", iInt2Oid, 2);
-               f[11] = new Field(connection, "FK_NAME", iVarcharOid, 32);
-               f[12] = new Field(connection, "PK_NAME", iVarcharOid, 32);
-               f[13] = new Field(connection, "DEFERRABILITY", iInt2Oid, 2);
-
-               java.sql.ResultSet rs = connection.ExecSQL(
-                "SELECT distinct "
-                  + "c.relname as prelname, "
-                  + "c2.relname as frelname, "
-                  + "t.tgconstrname, "
-                  + "a.attnum as keyseq, "
-                  + "ic.relname as fkeyname, "
-                  + "t.tgdeferrable, "
-                  + "t.tginitdeferred, "
-                  + "t.tgnargs,t.tgargs, "
-                  + "p1.proname as updaterule, "
-                  + "p2.proname as deleterule "
-          + "FROM "
-                  + "pg_trigger t, "
-                  + "pg_trigger t1, "
-                  + "pg_class c, "
-                  + "pg_class c2, "
-                  + "pg_class ic, "
-                  + "pg_proc p1, "
-                  + "pg_proc p2, "
-                  + "pg_index i, "
-                  + "pg_attribute a "
-          + "WHERE "
-                   // isolate the update rule
-                  + "(t.tgrelid=c.oid "
-                  + "AND t.tgisconstraint "
-                  + "AND t.tgconstrrelid=c2.oid "
-                  + "AND t.tgfoid=p1.oid "
-                  + "and p1.proname like '%%upd') "
-
-                  + "and "
-                  // isolate the delete rule
-                  + "(t1.tgrelid=c.oid "
-                  + "and t1.tgisconstraint "
-                  + "and t1.tgconstrrelid=c2.oid "
-                  + "AND t1.tgfoid=p2.oid "
-                  + "and p2.proname like '%%del') "
-
-                  // if we are looking for exported keys then primary table will be used
-                                                                 + ((primaryTable != null) ? "AND c.relname='" + primaryTable + "' " : "")
-
-                  // if we are looking for imported keys then the foreign table will be used
-                                                                 + ((foreignTable != null) ? "AND c2.relname='" + foreignTable + "' " : "")
-                  + "AND i.indrelid=c.oid "
-                  + "AND i.indexrelid=ic.oid "
-                  + "AND ic.oid=a.attrelid "
-                  + "AND i.indisprimary "
-          + "ORDER BY "
-
-                   // orderby is as follows getExported, orders by FKTABLE,
-                   // getImported orders by PKTABLE
-                   // getCrossReference orders by FKTABLE, so this should work for both,
-                   // since when getting crossreference, primaryTable will be defined
-
-                  +   (primaryTable != null ? "frelname" : "prelname") + ",keyseq");
-
-// returns the following columns
-// and some example data with a table defined as follows
-
-// create table people ( id int primary key);
-// create table policy ( id int primary key);
-// create table users  ( id int primary key, people_id int references people(id), policy_id int references policy(id))
-
-// prelname | frelname | tgconstrname | keyseq | fkeyName    | tgdeferrable | tginitdeferred
-//    1     |    2     |      3       |    4   |     5       |       6      |    7
-
-//  people  | users    | <unnamed>    |    1   | people_pkey |       f      |    f
-
-// | tgnargs |                        tgargs                                      | updaterule           | deleterule
-// |    8    |                          9                                         |    10                |    11
-// |    6    | <unnamed>\000users\000people\000UNSPECIFIED\000people_id\000id\000 | RI_FKey_noaction_upd | RI_FKey_noaction_del
-
-               Vector tuples = new Vector();
-
-
-               while ( rs.next() )
-               {
-                       byte tuple[][] = new byte[14][];
-
-      tuple[2] = rs.getBytes(1); //PKTABLE_NAME
-      tuple[6] = rs.getBytes(2); //FKTABLE_NAME
-      String fKeyName = rs.getString(3);
-      String updateRule = rs.getString(10);
-
-      if (updateRule != null )
-      {
-        // Rules look like this RI_FKey_noaction_del so we want to pull out the part between the 'Key_' and the last '_' s
-
-        String rule = updateRule.substring(8, updateRule.length() - 4);
-
-        int action = java.sql.DatabaseMetaData.importedKeyNoAction;
-
-        if ( rule == null || "noaction".equals(rule) )
-           action = java.sql.DatabaseMetaData.importedKeyNoAction;
-        if ("cascade".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeyCascade;
-        else if ("setnull".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeySetNull;
-        else if ("setdefault".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeySetDefault;
-        else if ("restrict".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeyRestrict;
-
-        tuple[9] = Integer.toString(action).getBytes();
-
-      }
-
-      String deleteRule = rs.getString(11);
-
-      if ( deleteRule != null )
-      {
-
-        String rule = updateRule.substring(8, updateRule.length() - 4);
-
-        int action = java.sql.DatabaseMetaData.importedKeyNoAction;
-        if ("cascade".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeyCascade;
-        else if ("setnull".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeySetNull;
-        else if ("setdefault".equals(rule))
-          action = java.sql.DatabaseMetaData.importedKeySetDefault;
-        tuple[10] = Integer.toString(action).getBytes();
-      }
-
-
-      // Parse the tgargs data
-      String fkeyColumn="";
-      String pkeyColumn="";
-
-
-      // Note, I am guessing at most of this, but it should be close
-      // if not, please correct
-      // the keys are in pairs and start after the first four arguments
-      // the arguments are seperated by \000
-
-      int keySequence = rs.getInt(4); //KEY_SEQ
-
-      // get the args
-      String targs = rs.getString(9);
-
-      // args look like this
-      //<unnamed>\000ww\000vv\000UNSPECIFIED\000m\000a\000n\000b\000
-      // we are primarily interested in the column names which are the last items in the string
-
-      StringTokenizer st = new StringTokenizer(targs, "\\000");
-
-      int advance = 4 + (keySequence-1) * 2;
-      for( int i=0; st.hasMoreTokens() && i < advance ; i++ ) st.nextToken(); // advance to the key column of interest
-
-      if ( st.hasMoreTokens() )
-      {
-        fkeyColumn = st.nextToken();
-      }
-      if ( st.hasMoreTokens() )
-      {
-         pkeyColumn = st.nextToken();
-      }
-
-      tuple[3] = pkeyColumn.getBytes(); //PKCOLUMN_NAME
-      tuple[7] = fkeyColumn.getBytes(); //FKCOLUMN_NAME
-
-      tuple[8] =  rs.getBytes(4); //KEY_SEQ
-      tuple[11] = rs.getBytes(3); //FK_NAME
-      tuple[12] = rs.getBytes(5); //PK_NAME
-
-      // DEFERRABILITY
-      int deferrability = java.sql.DatabaseMetaData.importedKeyNotDeferrable;
-      boolean deferrable = rs.getBoolean(6);
-      boolean initiallyDeferred = rs.getBoolean(7);
-      if (deferrable)
-      {
-        if (initiallyDeferred)
-                deferrability = java.sql.DatabaseMetaData.importedKeyInitiallyDeferred;
-        else
-                deferrability = java.sql.DatabaseMetaData.importedKeyInitiallyImmediate;
-      }
-      tuple[13] = Integer.toString(deferrability).getBytes();
-
-      tuples.addElement(tuple);
-    }
-
-    return connection.getResultSet(null, f, tuples, "OK", 1);
-       }
-
-       /*
-        * Get a description of the primary key columns that are
-        * referenced by a table's foreign key columns (the primary keys
-        * imported by a table).  They are ordered by PKTABLE_CAT,
-        * PKTABLE_SCHEM, PKTABLE_NAME, and KEY_SEQ.
-        *
-        * <P>Each primary key column description has the following columns:
-        *      <OL>
-        *      <LI><B>PKTABLE_CAT</B> String => primary key table catalog
-        *              being imported (may be null)
-        *      <LI><B>PKTABLE_SCHEM</B> String => primary key table schema
-        *              being imported (may be null)
-        *      <LI><B>PKTABLE_NAME</B> String => primary key table name
-        *              being imported
-        *      <LI><B>PKCOLUMN_NAME</B> String => primary key column name
-        *              being imported
-        *      <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null)
-        *      <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null)
-        *      <LI><B>FKTABLE_NAME</B> String => foreign key table name
-        *      <LI><B>FKCOLUMN_NAME</B> String => foreign key column name
-        *      <LI><B>KEY_SEQ</B> short => sequence number within foreign key
-        *      <LI><B>UPDATE_RULE</B> short => What happens to
-        *               foreign key when primary is updated:
-        *              <UL>
-        *              <LI> importedKeyCascade - change imported key to agree
-        *                               with primary key update
-        *              <LI> importedKeyRestrict - do not allow update of primary
-        *                               key if it has been imported
-        *              <LI> importedKeySetNull - change imported key to NULL if
-        *                               its primary key has been updated
-        *              </UL>
-        *      <LI><B>DELETE_RULE</B> short => What happens to
-        *              the foreign key when primary is deleted.
-        *              <UL>
-        *              <LI> importedKeyCascade - delete rows that import a deleted key
-        *              <LI> importedKeyRestrict - do not allow delete of primary
-        *                               key if it has been imported
-        *              <LI> importedKeySetNull - change imported key to NULL if
-        *                               its primary key has been deleted
-        *              </UL>
-        *      <LI><B>FK_NAME</B> String => foreign key name (may be null)
-        *      <LI><B>PK_NAME</B> String => primary key name (may be null)
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name pattern; "" retrieves those
-        * without a schema
-        * @param table a table name
-        * @return ResultSet each row is a primary key column description
-        * @see #getExportedKeys
-        */
-       public java.sql.ResultSet getImportedKeys(String catalog, String schema, String table) throws SQLException
-       {
-               return getImportedExportedKeys(catalog, schema, null, table);
-       }
-
-       /*
-        * Get a description of a foreign key columns that reference a
-        * table's primary key columns (the foreign keys exported by a
-        * table).      They are ordered by FKTABLE_CAT, FKTABLE_SCHEM,
-        * FKTABLE_NAME, and KEY_SEQ.
-        *
-        * This method is currently unimplemented.
-        *
-        * <P>Each foreign key column description has the following columns:
-        *      <OL>
-        *      <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null)
-        *      <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null)
-        *      <LI><B>PKTABLE_NAME</B> String => primary key table name
-        *      <LI><B>PKCOLUMN_NAME</B> String => primary key column name
-        *      <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null)
-        *              being exported (may be null)
-        *      <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null)
-        *              being exported (may be null)
-        *      <LI><B>FKTABLE_NAME</B> String => foreign key table name
-        *              being exported
-        *      <LI><B>FKCOLUMN_NAME</B> String => foreign key column name
-        *              being exported
-        *      <LI><B>KEY_SEQ</B> short => sequence number within foreign key
-        *      <LI><B>UPDATE_RULE</B> short => What happens to
-        *               foreign key when primary is updated:
-        *              <UL>
-        *              <LI> importedKeyCascade - change imported key to agree
-        *                               with primary key update
-        *              <LI> importedKeyRestrict - do not allow update of primary
-        *                               key if it has been imported
-        *              <LI> importedKeySetNull - change imported key to NULL if
-        *                               its primary key has been updated
-        *              </UL>
-        *      <LI><B>DELETE_RULE</B> short => What happens to
-        *              the foreign key when primary is deleted.
-        *              <UL>
-        *              <LI> importedKeyCascade - delete rows that import a deleted key
-        *              <LI> importedKeyRestrict - do not allow delete of primary
-        *                               key if it has been imported
-        *              <LI> importedKeySetNull - change imported key to NULL if
-        *                               its primary key has been deleted
-        *              </UL>
-        *      <LI><B>FK_NAME</B> String => foreign key identifier (may be null)
-        *      <LI><B>PK_NAME</B> String => primary key identifier (may be null)
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name pattern; "" retrieves those
-        * without a schema
-        * @param table a table name
-        * @return ResultSet each row is a foreign key column description
-        * @see #getImportedKeys
-        */
-       public java.sql.ResultSet getExportedKeys(String catalog, String schema, String table) throws SQLException
-       {
-               return getImportedExportedKeys(catalog, schema, table, null);
-       }
-
-       /*
-        * Get a description of the foreign key columns in the foreign key
-        * table that reference the primary key columns of the primary key
-        * table (describe how one table imports another's key.) This
-        * should normally return a single foreign key/primary key pair
-        * (most tables only import a foreign key from a table once.)  They
-        * are ordered by FKTABLE_CAT, FKTABLE_SCHEM, FKTABLE_NAME, and
-        * KEY_SEQ.
-        *
-        * This method is currently unimplemented.
-        *
-        * <P>Each foreign key column description has the following columns:
-        *      <OL>
-        *      <LI><B>PKTABLE_CAT</B> String => primary key table catalog (may be null)
-        *      <LI><B>PKTABLE_SCHEM</B> String => primary key table schema (may be null)
-        *      <LI><B>PKTABLE_NAME</B> String => primary key table name
-        *      <LI><B>PKCOLUMN_NAME</B> String => primary key column name
-        *      <LI><B>FKTABLE_CAT</B> String => foreign key table catalog (may be null)
-        *              being exported (may be null)
-        *      <LI><B>FKTABLE_SCHEM</B> String => foreign key table schema (may be null)
-        *              being exported (may be null)
-        *      <LI><B>FKTABLE_NAME</B> String => foreign key table name
-        *              being exported
-        *      <LI><B>FKCOLUMN_NAME</B> String => foreign key column name
-        *              being exported
-        *      <LI><B>KEY_SEQ</B> short => sequence number within foreign key
-        *      <LI><B>UPDATE_RULE</B> short => What happens to
-        *               foreign key when primary is updated:
-        *              <UL>
-        *              <LI> importedKeyCascade - change imported key to agree
-        *                               with primary key update
-        *              <LI> importedKeyRestrict - do not allow update of primary
-        *                               key if it has been imported
-        *              <LI> importedKeySetNull - change imported key to NULL if
-        *                               its primary key has been updated
-        *              </UL>
-        *      <LI><B>DELETE_RULE</B> short => What happens to
-        *              the foreign key when primary is deleted.
-        *              <UL>
-        *              <LI> importedKeyCascade - delete rows that import a deleted key
-        *              <LI> importedKeyRestrict - do not allow delete of primary
-        *                               key if it has been imported
-        *              <LI> importedKeySetNull - change imported key to NULL if
-        *                               its primary key has been deleted
-        *              </UL>
-        *      <LI><B>FK_NAME</B> String => foreign key identifier (may be null)
-        *      <LI><B>PK_NAME</B> String => primary key identifier (may be null)
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name pattern; "" retrieves those
-        * without a schema
-        * @param table a table name
-        * @return ResultSet each row is a foreign key column description
-        * @see #getImportedKeys
-        */
-       public java.sql.ResultSet getCrossReference(String primaryCatalog, String primarySchema, String primaryTable, String foreignCatalog, String foreignSchema, String foreignTable) throws SQLException
-       {
-               return getImportedExportedKeys(primaryCatalog, primarySchema, primaryTable, foreignTable);
-       }
-
-       /*
-        * Get a description of all the standard SQL types supported by
-        * this database. They are ordered by DATA_TYPE and then by how
-        * closely the data type maps to the corresponding JDBC SQL type.
-        *
-        * <P>Each type description has the following columns:
-        *      <OL>
-        *      <LI><B>TYPE_NAME</B> String => Type name
-        *      <LI><B>DATA_TYPE</B> short => SQL data type from java.sql.Types
-        *      <LI><B>PRECISION</B> int => maximum precision
-        *      <LI><B>LITERAL_PREFIX</B> String => prefix used to quote a literal
-        *              (may be null)
-        *      <LI><B>LITERAL_SUFFIX</B> String => suffix used to quote a literal
-        (may be null)
-        *      <LI><B>CREATE_PARAMS</B> String => parameters used in creating
-        *              the type (may be null)
-        *      <LI><B>NULLABLE</B> short => can you use NULL for this type?
-        *              <UL>
-        *              <LI> typeNoNulls - does not allow NULL values
-        *              <LI> typeNullable - allows NULL values
-        *              <LI> typeNullableUnknown - nullability unknown
-        *              </UL>
-        *      <LI><B>CASE_SENSITIVE</B> boolean=> is it case sensitive?
-        *      <LI><B>SEARCHABLE</B> short => can you use "WHERE" based on this type:
-        *              <UL>
-        *              <LI> typePredNone - No support
-        *              <LI> typePredChar - Only supported with WHERE .. LIKE
-        *              <LI> typePredBasic - Supported except for WHERE .. LIKE
-        *              <LI> typeSearchable - Supported for all WHERE ..
-        *              </UL>
-        *      <LI><B>UNSIGNED_ATTRIBUTE</B> boolean => is it unsigned?
-        *      <LI><B>FIXED_PREC_SCALE</B> boolean => can it be a money value?
-        *      <LI><B>AUTO_INCREMENT</B> boolean => can it be used for an
-        *              auto-increment value?
-        *      <LI><B>LOCAL_TYPE_NAME</B> String => localized version of type name
-        *              (may be null)
-        *      <LI><B>MINIMUM_SCALE</B> short => minimum scale supported
-        *      <LI><B>MAXIMUM_SCALE</B> short => maximum scale supported
-        *      <LI><B>SQL_DATA_TYPE</B> int => unused
-        *      <LI><B>SQL_DATETIME_SUB</B> int => unused
-        *      <LI><B>NUM_PREC_RADIX</B> int => usually 2 or 10
-        *      </OL>
-        *
-        * @return ResultSet each row is a SQL type description
-        */
-       public java.sql.ResultSet getTypeInfo() throws SQLException
-       {
-               java.sql.ResultSet rs = connection.ExecSQL("select typname from pg_type");
-               if (rs != null)
-               {
-                       Field f[] = new Field[18];
-                       ResultSet r;    // ResultSet for the SQL query that we need to do
-                       Vector v = new Vector();                // The new ResultSet tuple stuff
-
-                       f[0] = new Field(connection, "TYPE_NAME", iVarcharOid, 32);
-                       f[1] = new Field(connection, "DATA_TYPE", iInt2Oid, 2);
-                       f[2] = new Field(connection, "PRECISION", iInt4Oid, 4);
-                       f[3] = new Field(connection, "LITERAL_PREFIX", iVarcharOid, 32);
-                       f[4] = new Field(connection, "LITERAL_SUFFIX", iVarcharOid, 32);
-                       f[5] = new Field(connection, "CREATE_PARAMS", iVarcharOid, 32);
-                       f[6] = new Field(connection, "NULLABLE", iInt2Oid, 2);
-                       f[7] = new Field(connection, "CASE_SENSITIVE", iBoolOid, 1);
-                       f[8] = new Field(connection, "SEARCHABLE", iInt2Oid, 2);
-                       f[9] = new Field(connection, "UNSIGNED_ATTRIBUTE", iBoolOid, 1);
-                       f[10] = new Field(connection, "FIXED_PREC_SCALE", iBoolOid, 1);
-                       f[11] = new Field(connection, "AUTO_INCREMENT", iBoolOid, 1);
-                       f[12] = new Field(connection, "LOCAL_TYPE_NAME", iVarcharOid, 32);
-                       f[13] = new Field(connection, "MINIMUM_SCALE", iInt2Oid, 2);
-                       f[14] = new Field(connection, "MAXIMUM_SCALE", iInt2Oid, 2);
-                       f[15] = new Field(connection, "SQL_DATA_TYPE", iInt4Oid, 4);
-                       f[16] = new Field(connection, "SQL_DATETIME_SUB", iInt4Oid, 4);
-                       f[17] = new Field(connection, "NUM_PREC_RADIX", iInt4Oid, 4);
-
-                       // cache some results, this will keep memory useage down, and speed
-                       // things up a little.
-                       byte b9[] = "9".getBytes();
-                       byte b10[] = "10".getBytes();
-                       byte bf[] = "f".getBytes();
-                       byte bnn[] = Integer.toString(java.sql.DatabaseMetaData.typeNoNulls).getBytes();
-                       byte bts[] = Integer.toString(java.sql.DatabaseMetaData.typeSearchable).getBytes();
-
-                       while (rs.next())
-                       {
-                               byte[][] tuple = new byte[18][];
-                               String typname = rs.getString(1);
-                               tuple[0] = typname.getBytes();
-                               tuple[1] = Integer.toString(connection.getSQLType(typname)).getBytes();
-                               tuple[2] = b9;  // for now
-                               tuple[6] = bnn; // for now
-                               tuple[7] = bf; // false for now - not case sensitive
-                               tuple[8] = bts;
-                               tuple[9] = bf; // false for now - it's signed
-                               tuple[10] = bf; // false for now - must handle money
-                               tuple[11] = bf; // false for now - handle autoincrement
-                               // 12 - LOCAL_TYPE_NAME is null
-                               // 13 & 14 ?
-                               // 15 & 16 are unused so we return null
-                               tuple[17] = b10; // everything is base 10
-                               v.addElement(tuple);
-                       }
-                       rs.close();
-                       return connection.getResultSet(null, f, v, "OK", 1);
-               }
-
-               throw new PSQLException("postgresql.metadata.unavailable");
-       }
-
-       /*
-        * Get a description of a table's indices and statistics. They are
-        * ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION.
-        *
-        * <P>Each index column description has the following columns:
-        *      <OL>
-        *      <LI><B>TABLE_CAT</B> String => table catalog (may be null)
-        *      <LI><B>TABLE_SCHEM</B> String => table schema (may be null)
-        *      <LI><B>TABLE_NAME</B> String => table name
-        *      <LI><B>NON_UNIQUE</B> boolean => Can index values be non-unique?
-        *              false when TYPE is tableIndexStatistic
-        *      <LI><B>INDEX_QUALIFIER</B> String => index catalog (may be null);
-        *              null when TYPE is tableIndexStatistic
-        *      <LI><B>INDEX_NAME</B> String => index name; null when TYPE is
-        *              tableIndexStatistic
-        *      <LI><B>TYPE</B> short => index type:
-        *              <UL>
-        *              <LI> tableIndexStatistic - this identifies table statistics that are
-        *                       returned in conjuction with a table's index descriptions
-        *              <LI> tableIndexClustered - this is a clustered index
-        *              <LI> tableIndexHashed - this is a hashed index
-        *              <LI> tableIndexOther - this is some other style of index
-        *              </UL>
-        *      <LI><B>ORDINAL_POSITION</B> short => column sequence number
-        *              within index; zero when TYPE is tableIndexStatistic
-        *      <LI><B>COLUMN_NAME</B> String => column name; null when TYPE is
-        *              tableIndexStatistic
-        *      <LI><B>ASC_OR_DESC</B> String => column sort sequence, "A" => ascending
-        *              "D" => descending, may be null if sort sequence is not supported;
-        *              null when TYPE is tableIndexStatistic
-        *      <LI><B>CARDINALITY</B> int => When TYPE is tableIndexStatisic then
-        *              this is the number of rows in the table; otherwise it is the
-        *              number of unique values in the index.
-        *      <LI><B>PAGES</B> int => When TYPE is  tableIndexStatisic then
-        *              this is the number of pages used for the table, otherwise it
-        *              is the number of pages used for the current index.
-        *      <LI><B>FILTER_CONDITION</B> String => Filter condition, if any.
-        *              (may be null)
-        *      </OL>
-        *
-        * @param catalog a catalog name; "" retrieves those without a catalog
-        * @param schema a schema name pattern; "" retrieves those without a schema
-        * @param table a table name
-        * @param unique when true, return only indices for unique values;
-        *         when false, return indices regardless of whether unique or not
-        * @param approximate when true, result is allowed to reflect approximate
-        *         or out of data values; when false, results are requested to be
-        *         accurate
-        * @return ResultSet each row is an index column description
-        */
-       // Implementation note: This is required for Borland's JBuilder to work
-       public java.sql.ResultSet getIndexInfo(String catalog, String schema, String tableName, boolean unique, boolean approximate) throws SQLException
-       {
-               Field f[] = new Field[13];
-               java.sql.ResultSet r;   // ResultSet for the SQL query that we need to do
-               Vector v = new Vector();                // The new ResultSet tuple stuff
-
-               f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32);
-               f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32);
-               f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32);
-               f[3] = new Field(connection, "NON_UNIQUE", iBoolOid, 1);
-               f[4] = new Field(connection, "INDEX_QUALIFIER", iVarcharOid, 32);
-               f[5] = new Field(connection, "INDEX_NAME", iVarcharOid, 32);
-               f[6] = new Field(connection, "TYPE", iInt2Oid, 2);
-               f[7] = new Field(connection, "ORDINAL_POSITION", iInt2Oid, 2);
-               f[8] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32);
-               f[9] = new Field(connection, "ASC_OR_DESC", iVarcharOid, 32);
-               f[10] = new Field(connection, "CARDINALITY", iInt4Oid, 4);
-               f[11] = new Field(connection, "PAGES", iInt4Oid, 4);
-               f[12] = new Field(connection, "FILTER_CONDITION", iVarcharOid, 32);
-
-               r = connection.ExecSQL("select " +
-                                                          "c.relname, " +
-                                                          "x.indisunique, " +
-                                                          "i.relname, " +
-                                                          "x.indisclustered, " +
-                                                          "a.amname, " +
-                                                          "x.indkey, " +
-                                                          "c.reltuples, " +
-                                                          "c.relpages, " +
-                                                          "x.indexrelid " +
-                                                          "FROM pg_index x, pg_class c, pg_class i, pg_am a " +
-                                                          "WHERE ((c.relname = '" + tableName.toLowerCase() + "') " +
-                                                          " AND (c.oid = x.indrelid) " +
-                                                          " AND (i.oid = x.indexrelid) " +
-                                                          " AND (i.relam = a.oid)) " +
-                                                          "ORDER BY x.indisunique DESC, " +
-                                                          " x.indisclustered, a.amname, i.relname");
-               while (r.next())
-               {
-                       // indkey is an array of column ordinals (integers).  In the JDBC
-                       // interface, this has to be separated out into a separate
-                       // tuple for each indexed column.  Also, getArray() is not yet
-                       // implemented for Postgres JDBC, so we parse by hand.
-                       String columnOrdinalString = r.getString(6);
-                       StringTokenizer stok = new StringTokenizer(columnOrdinalString);
-                       int [] columnOrdinals = new int[stok.countTokens()];
-                       int o = 0;
-                       while (stok.hasMoreTokens())
-                       {
-                               columnOrdinals[o++] = Integer.parseInt(stok.nextToken());
-                       }
-
-                       java.sql.ResultSet columnNameRS = connection.ExecSQL("select a.attname FROM pg_attribute a WHERE a.attrelid = " + r.getInt(9));
-                       for (int i = 0; i < columnOrdinals.length; i++)
-                       {
-                               byte [] [] tuple = new byte [13] [];
-                               tuple[0] = "".getBytes();
-                               tuple[1] = "".getBytes();
-                               tuple[2] = r.getBytes(1);
-                               tuple[3] = r.getBoolean(2) ? "false".getBytes() : "true".getBytes();
-                               tuple[4] = null;
-                               tuple[5] = r.getBytes(3);
-                               tuple[6] = r.getBoolean(4) ?
-                                                  Integer.toString(java.sql.DatabaseMetaData.tableIndexClustered).getBytes() :
-                                                  r.getString(5).equals("hash") ?
-                                                  Integer.toString(java.sql.DatabaseMetaData.tableIndexHashed).getBytes() :
-                                                  Integer.toString(java.sql.DatabaseMetaData.tableIndexOther).getBytes();
-                               tuple[7] = Integer.toString(i + 1).getBytes();
-                               if (columnNameRS.next())
-                                       tuple[8] = columnNameRS.getBytes(1);
-                               else
-                                       tuple[8] = "".getBytes();
-
-                               tuple[9] = null;  // sort sequence ???
-                               tuple[10] = r.getBytes(7);      // inexact
-                               tuple[11] = r.getBytes(8);
-                               tuple[12] = null;
-                               v.addElement(tuple);
-                       }
-               }
-
-               return connection.getResultSet(null, f, v, "OK", 1);
-       }
 
 
        // ** JDBC 2 Extensions **
@@ -3161,10 +116,10 @@ WHERE
         * Return user defined types in a schema
         */
        public java.sql.ResultSet getUDTs(String catalog,
-                                                                         String schemaPattern,
-                                                                         String typeNamePattern,
-                                                                         int[] types
-                                                                        ) throws SQLException
+                                          String schemaPattern,
+                                          String typeNamePattern,
+                                          int[] types
+                                         ) throws SQLException
        {
                throw org.postgresql.Driver.notImplemented();
        }