import org.postgresql.util.*;
/**
- * $Id: Connection.java,v 1.7 2000/10/08 19:37:54 momjian Exp $
+ * $Id: Connection.java,v 1.8 2000/10/09 16:48:16 momjian Exp $
*
* This abstract class is used by org.postgresql.Driver to open either the JDBC1 or
* JDBC2 versions of the Connection class.
// The PID an cancellation key we get from the backend process
public int pid;
public int ckey;
-
- // This receive_sbuf should be used by the different methods
- // that call pg_stream.ReceiveString() in this Connection, so
- // so we avoid uneccesary new allocations.
- byte receive_sbuf[] = new byte[8192];
/**
* This is called by Class.forName() from within org.postgresql.Driver
// The most common one to be thrown here is:
// "User authentication failed"
//
- String msg = pg_stream.ReceiveString(receive_sbuf, 4096,
- getEncoding());
- throw new SQLException(msg);
+ throw new SQLException(pg_stream.ReceiveString
+ (4096, getEncoding()));
case 'R':
// Get the type of request
case 'E':
case 'N':
throw new SQLException(pg_stream.ReceiveString
- (receive_sbuf, 4096, getEncoding()));
+ (4096, getEncoding()));
default:
throw new PSQLException("postgresql.con.setup");
}
break;
case 'E':
case 'N':
- throw new SQLException(pg_stream.ReceiveString(receive_sbuf, 4096, getEncoding()));
+ throw new SQLException(pg_stream.ReceiveString(4096));
default:
throw new PSQLException("postgresql.con.setup");
}
//
firstWarning = null;
- ExecSQL(null, "set datestyle to 'ISO'");
+ ExecSQL("set datestyle to 'ISO'");
// Initialise object handling
initObjectTypes();
//currentDateStyle=i+1; // this is the index of the format
//}
}
-
-
+
/**
* Send a query to the backend. Returns one of the ResultSet
* objects.
* <B>Note:</B> there does not seem to be any method currently
* in existance to return the update count.
*
- * @param stmt The statment object.
* @param sql the SQL statement to be executed
* @return a ResultSet holding the results
* @exception SQLException if a database error occurs
*/
- public java.sql.ResultSet ExecSQL(PGStatement stmt,
- String sql) throws SQLException
+ public java.sql.ResultSet ExecSQL(String sql) throws SQLException
{
// added Oct 7 1998 to give us thread safety.
synchronized(pg_stream) {
- pg_stream.setExecutingStatement(stmt);
-
+
Field[] fields = null;
Vector tuples = new Vector();
byte[] buf = null;
try
{
pg_stream.SendChar('Q');
- pg_stream.Send(sql.getBytes());
+ buf = sql.getBytes();
+ pg_stream.Send(buf);
pg_stream.SendChar(0);
pg_stream.flush();
} catch (IOException e) {
{
case 'A': // Asynchronous Notify
pid = pg_stream.ReceiveInteger(4);
- msg = pg_stream.ReceiveString(receive_sbuf, 8192,
- getEncoding());
+ msg = pg_stream.ReceiveString(8192);
break;
case 'B': // Binary Data Transfer
if (fields == null)
tuples.addElement(tup);
break;
case 'C': // Command Status
- recv_status =
- pg_stream.ReceiveString(receive_sbuf, 8192,
- getEncoding());
+ recv_status = pg_stream.ReceiveString(8192);
// Now handle the update count correctly.
if(recv_status.startsWith("INSERT") || recv_status.startsWith("UPDATE") || recv_status.startsWith("DELETE")) {
tuples.addElement(tup);
break;
case 'E': // Error Message
- msg = pg_stream.ReceiveString(receive_sbuf, 4096,
- getEncoding());
+ msg = pg_stream.ReceiveString(4096);
final_error = new SQLException(msg);
hfr = true;
break;
hfr = true;
break;
case 'N': // Error Notification
- addWarning(pg_stream.ReceiveString(receive_sbuf,
- 4096,
- getEncoding()));
+ addWarning(pg_stream.ReceiveString(4096));
break;
case 'P': // Portal Name
- String pname =
- pg_stream.ReceiveString(receive_sbuf, 8192,
- getEncoding());
+ String pname = pg_stream.ReceiveString(8192);
break;
case 'T': // MetaData Field Description
if (fields != null)
}
}
-
-
/**
* Receive the field descriptions from the back end
*
for (i = 0 ; i < nf ; ++i)
{
- String typname = pg_stream.ReceiveString(receive_sbuf, 8192,
- getEncoding());
+ String typname = pg_stream.ReceiveString(8192);
int typid = pg_stream.ReceiveIntegerR(4);
int typlen = pg_stream.ReceiveIntegerR(2);
int typmod = pg_stream.ReceiveIntegerR(4);
// it's not in the cache, so perform a query, and add the result to
// the cache
if(type_name==null) {
- ResultSet result = (org.postgresql.ResultSet)
- conn.ExecSQL(null, "select typname from pg_type where oid = "
- + oid);
+ ResultSet result = (org.postgresql.ResultSet)conn.ExecSQL("select typname from pg_type where oid = " + oid);
if (result.getColumnCount() != 1 || result.getTupleCount() != 1)
throw new PSQLException("postgresql.unexpected");
result.next();
+++ /dev/null
-package org.postgresql;
-
-/**
- * A simple and fast object pool implementation that can pool objects
- * of any type. This implementation is not thread safe, it is up to the users
- * of this class to assure thread safety.
- */
-public class ObjectPool {
- int cursize = 0;
- int maxsize = 8;
- Object arr[] = new Object[8];
-
- /**
- * Add object to the pool.
- * @param o The object to add.
- */
- public void add(Object o){
- if(cursize >= maxsize){
- Object newarr[] = new Object[maxsize*2];
- System.arraycopy(arr, 0, newarr, 0, maxsize);
- maxsize = maxsize * 2;
- arr = newarr;
- }
- arr[cursize++] = o;
- }
-
- /**
- * Remove an object from the pool. If the pool is empty
- * ArrayIndexOutOfBoundsException will be thrown.
- * @return Returns the removed object.
- * @exception If the pool is empty
- * ArrayIndexOutOfBoundsException will be thrown.
- */
- public Object remove(){
- Object o = arr[cursize-1];
- // This have to be here, so we don't decrease the counter when
- // cursize == 0;
- cursize--;
- return o;
- }
-
- /**
- * Check if pool is empty.
- * @return true if pool is empty, false otherwise.
- */
- public boolean isEmpty(){
- return cursize == 0;
- }
-
- /**
- * Get the size of the pool.
- * @return Returns the number of objects in the pool.
- */
- public int size(){
- return cursize;
- }
- /**
- * Add all the objects from another pool to this pool.
- * @pool The pool to add the objects from.
- */
- public void addAll(ObjectPool pool){
- int srcsize = pool.size();
- if(srcsize == 0)
- return;
- int totalsize = srcsize + cursize;
- if(totalsize > maxsize){
- Object newarr[] = new Object[totalsize*2];
- System.arraycopy(arr, 0, newarr, 0, cursize);
- maxsize = maxsize = totalsize * 2;
- arr = newarr;
- }
- System.arraycopy(pool.arr, 0, arr, cursize, srcsize);
- cursize = totalsize;
- }
-
- /**
- * Clear the elements from this pool.
- * The method is lazy, so it just resets the index counter without
- * removing references to pooled objects. This could possibly
- * be an issue with garbage collection, depending on how the
- * pool is used.
- */
- public void clear(){
- cursize = 0;
- }
-}
+++ /dev/null
-package org.postgresql;
-
-import java.util.Hashtable;
-
-/**
- * Just a factory class for creating and reusing
- * ObjectPool arrays of different sizes.
- */
-public class ObjectPoolFactory {
- private static Hashtable instances = new Hashtable();
-
- ObjectPool pool = new ObjectPool();
- int maxsize;
-
- public static ObjectPoolFactory getInstance(int size){
- Integer s = new Integer(size);
- ObjectPoolFactory poolFactory = (ObjectPoolFactory) instances.get(s);
- if(poolFactory == null){
- synchronized(instances) {
- poolFactory = (ObjectPoolFactory) instances.get(s);
- if(poolFactory == null){
- poolFactory = new ObjectPoolFactory(size);
- instances.put(s, poolFactory);
- }
- }
- }
- return poolFactory;
- }
-
- private ObjectPoolFactory(int maxsize){
- this.maxsize = maxsize;
- }
-
- public ObjectPool[] getObjectPoolArr(){
- ObjectPool p[] = null;
- synchronized(pool){
- if(pool.size() > 0)
- p = (ObjectPool []) pool.remove();
- }
- if(p == null) {
- p = new ObjectPool[maxsize];
- for(int i = 0; i < maxsize; i++){
- p[i] = new ObjectPool();
- }
- }
- return p;
- }
-
- public void releaseObjectPoolArr(ObjectPool p[]){
- synchronized(pool){
- pool.add(p);
- for(int i = 0; i < maxsize; i++){
- p[i].clear();
- }
- }
- }
-}
+++ /dev/null
-package org.postgresql;
-
-import java.sql.Statement;
-import java.sql.SQLException;
-
-public abstract class PGStatement implements Statement {
- public ObjectPool inusemap_dim1[];
- public ObjectPool inusemap_dim2[];
- protected Connection connection;
-
- public PGStatement(Connection connection){
- this.connection = connection;
- inusemap_dim1 = connection.pg_stream.factory_dim1.getObjectPoolArr();
- inusemap_dim2 = connection.pg_stream.factory_dim2.getObjectPoolArr();
- }
-
- public void deallocate(){
- connection.pg_stream.deallocate(this);
- }
-
- public void close() throws SQLException {
- deallocate();
- connection.pg_stream.factory_dim1.releaseObjectPoolArr(inusemap_dim1);
- connection.pg_stream.factory_dim2.releaseObjectPoolArr(inusemap_dim2);
- }
-}
private Socket connection;
private InputStream pg_input;
private BufferedOutputStream pg_output;
-
- public PGStatement executingStatement;
-
-
+
/**
* Constructor: Connect to the PostgreSQL back end and return
* a stream connection.
}
/**
- * Set the currently executing statement. This is used to bind cached byte
- * arrays to a Statement, so the statement can return the to the global
- * pool of unused byte arrays when they are no longer inuse.
- */
- public void setExecutingStatement(PGStatement executingStatement){
- this.executingStatement = executingStatement;
- }
-
- /**
* Sends a single character to the back end
*
* @param val the character to be sent
*/
public void SendInteger(int val, int siz) throws IOException
{
- byte[] buf = allocByteDim1(siz);
+ byte[] buf = new byte[siz];
while (siz-- > 0)
{
*/
public void SendIntegerReverse(int val, int siz) throws IOException
{
- byte[] buf = allocByteDim1(siz);
+ byte[] buf = new byte[siz];
int p=0;
while (siz-- > 0)
{
return n;
}
-
- /**
- * Receives a null-terminated string from the backend. Maximum of
- * maxsiz bytes - if we don't see a null, then we assume something
- * has gone wrong.
- *
- * @param maxsiz maximum length of string
- * @return string from back end
- * @exception SQLException if an I/O error occurs
- */
- public String ReceiveString(int maxsiz) throws SQLException
- {
- return ReceiveString(maxsiz, null);
- }
-
- /**
- * Receives a null-terminated string from the backend. Maximum of
- * maxsiz bytes - if we don't see a null, then we assume something
- * has gone wrong.
- *
- * @param maxsiz maximum length of string
- * @param encoding the charset encoding to use.
- * @return string from back end
- * @exception SQLException if an I/O error occurs
- */
- public String ReceiveString(int maxsiz, String encoding) throws SQLException
- {
- byte[] rst = allocByteDim1(maxsiz);
- return ReceiveString(rst, maxsiz, encoding);
- }
+ public String ReceiveString(int maxsize) throws SQLException {
+ return ReceiveString(maxsize, null);
+ }
/**
* Receives a null-terminated string from the backend. Maximum of
* maxsiz bytes - if we don't see a null, then we assume something
* has gone wrong.
*
- * @param rst byte array to read the String into. rst.length must
- * equal to or greater than maxsize.
- * @param maxsiz maximum length of string in bytes
* @param encoding the charset encoding to use.
+ * @param maxsiz maximum length of string in bytes
* @return string from back end
* @exception SQLException if an I/O error occurs
*/
- public String ReceiveString(byte rst[], int maxsiz, String encoding)
- throws SQLException
+ public String ReceiveString(int maxsiz, String encoding) throws SQLException
{
+ byte[] rst = new byte[maxsiz];
int s = 0;
try
int c = pg_input.read();
if (c < 0)
throw new PSQLException("postgresql.stream.eof");
- else if (c == 0) {
- rst[s] = 0;
- break;
- } else
+ else if (c == 0)
+ break;
+ else
rst[s++] = (byte)c;
}
if (s >= maxsiz)
{
int i, bim = (nf + 7)/8;
byte[] bitmask = Receive(bim);
- byte[][] answer = allocByteDim2(nf);
+ byte[][] answer = new byte[nf][0];
int whichbit = 0x80;
int whichbyte = 0;
*/
private byte[] Receive(int siz) throws SQLException
{
- byte[] answer = allocByteDim1(siz);
+ byte[] answer = new byte[siz];
Receive(answer,0,siz);
return answer;
}
pg_input.close();
connection.close();
}
-
- /**
- * Deallocate all resources that has been associated with any previous
- * query.
- */
- public void deallocate(PGStatement stmt){
-
- for(int i = 0; i < maxsize_dim1; i++){
- synchronized(notusemap_dim1[i]){
- notusemap_dim1[i].addAll(stmt.inusemap_dim1[i]);
- }
- stmt.inusemap_dim1[i].clear();
- }
-
- for(int i = 0; i < maxsize_dim2; i++){
- synchronized(notusemap_dim2[i]){
- notusemap_dim2[i].addAll(stmt.inusemap_dim2[i]);
- }
- stmt.inusemap_dim2[i].clear();
- }
- }
-
- public static final int maxsize_dim1 = 256;
- public static ObjectPool notusemap_dim1[] = new ObjectPool[maxsize_dim1];
- public static byte binit[][] = new byte[maxsize_dim1][0];
- public static final int maxsize_dim2 = 32;
- public static ObjectPool notusemap_dim2[] = new ObjectPool[maxsize_dim2];
- public static ObjectPoolFactory factory_dim1;
- public static ObjectPoolFactory factory_dim2;
-
- static {
- for(int i = 0; i < maxsize_dim1; i++){
- binit[i] = new byte[i];
- notusemap_dim1[i] = new ObjectPool();
- }
- for(int i = 0; i < maxsize_dim2; i++){
- notusemap_dim2[i] = new ObjectPool();
- }
- factory_dim1 = ObjectPoolFactory.getInstance(maxsize_dim1);
- factory_dim2 = ObjectPoolFactory.getInstance(maxsize_dim2);
- }
-
- public byte[] allocByteDim1(int size){
- if(size >= maxsize_dim1 || executingStatement == null){
- return new byte[size];
- }
- ObjectPool not_usel = notusemap_dim1[size];
- ObjectPool in_usel = executingStatement.inusemap_dim1[size];
-
- byte b[] = null;
-
- synchronized(not_usel){
- if(!not_usel.isEmpty()) {
- Object o = not_usel.remove();
- b = (byte[]) o;
- } else {
- b = new byte[size];
- }
- }
- in_usel.add(b);
-
- return b;
- }
-
- public byte[][] allocByteDim2(int size){
- if(size >= maxsize_dim2 || executingStatement == null){
- return new byte[size][0];
- }
- ObjectPool not_usel = notusemap_dim2[size];
- ObjectPool in_usel = executingStatement.inusemap_dim2[size];
-
- byte b[][] = null;
-
- synchronized(not_usel){
- if(!not_usel.isEmpty()) {
- Object o = not_usel.remove();
- b = (byte[][]) o;
- } else
- b = new byte[size][0];
-
- in_usel.add(b);
- }
-
- return b;
- }
-
}
-
-
-
-
-
import org.postgresql.util.*;
/**
- * $Id: Connection.java,v 1.3 2000/10/08 19:37:54 momjian Exp $
+ * $Id: Connection.java,v 1.4 2000/10/09 16:48:17 momjian Exp $
*
* A Connection represents a session with a specific database. Within the
* context of a Connection, SQL statements are executed and results are
if (this.autoCommit == autoCommit)
return;
if (autoCommit)
- ExecSQL(null, "end");
+ ExecSQL("end");
else
- ExecSQL(null, "begin");
+ ExecSQL("begin");
this.autoCommit = autoCommit;
}
{
if (autoCommit)
return;
- ExecSQL(null, "commit");
+ ExecSQL("commit");
autoCommit = true;
- ExecSQL(null, "begin");
+ ExecSQL("begin");
autoCommit = false;
}
{
if (autoCommit)
return;
- ExecSQL(null, "rollback");
+ ExecSQL("rollback");
autoCommit = true;
- ExecSQL(null, "begin");
+ ExecSQL("begin");
autoCommit = false;
}
switch(level) {
case java.sql.Connection.TRANSACTION_READ_COMMITTED:
- ExecSQL(null, q + " READ COMMITTED");
+ ExecSQL(q + " READ COMMITTED");
return;
case java.sql.Connection.TRANSACTION_SERIALIZABLE:
- ExecSQL(null, q + " SERIALIZABLE");
+ ExecSQL(q + " SERIALIZABLE");
return;
default:
*/
public int getTransactionIsolation() throws SQLException
{
- ExecSQL(null, "show xactisolevel");
+ ExecSQL("show xactisolevel");
SQLWarning w = getWarnings();
if (w != null) {
if(procedureNamePattern==null)
procedureNamePattern="%";
- r = connection.ExecSQL(null, "select proname, proretset from pg_proc where proname like '"+procedureNamePattern.toLowerCase()+"' order by proname");
+ r = connection.ExecSQL("select proname, proretset from pg_proc where proname like '"+procedureNamePattern.toLowerCase()+"' order by proname");
while (r.next())
{
sql.append("'");
// Now run the query
- r = connection.ExecSQL(null, sql.toString());
+ r = connection.ExecSQL(sql.toString());
byte remarks[];
byte[][] tuple = new byte[5][0];
// Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL(null, "select description from pg_description where objoid="+r.getInt(2));
+ java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(2));
if(((org.postgresql.ResultSet)dr).getTupleCount()==1) {
dr.next();
remarks = dr.getBytes(1);
// Now form the query
// Modified by Stefan Andreasen <stefan@linux.kapow.dk>
- r = connection.ExecSQL(null, "select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum");
+ r = connection.ExecSQL("select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum");
byte remarks[];
byte[][] tuple = new byte[18][0];
// Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL(null, "select description from pg_description where objoid="+r.getInt(1));
+ java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(1));
if(((org.postgresql.ResultSet)dr).getTupleCount()==1) {
dr.next();
tuple[11] = dr.getBytes(1);
tuple[2] = r.getBytes(2); // Table name
tuple[3] = r.getBytes(3); // Column name
- dr = connection.ExecSQL(null, "select typname from pg_type where oid = "+r.getString(4));
+ dr = connection.ExecSQL("select typname from pg_type where oid = "+r.getString(4));
dr.next();
String typname=dr.getString(1);
dr.close();
f[7] = new Field(connection,"IS_GRANTABLE",iVarcharOid,32);
// This is taken direct from the psql source
- java.sql.ResultSet r = connection.ExecSQL(null, "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");
+ 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();
*/
public java.sql.ResultSet getTypeInfo() throws SQLException
{
- java.sql.ResultSet rs = connection.ExecSQL(null, "select typname from pg_type");
+ 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
// org.postgresql.jdbc2 package.
import java.sql.*;
-import org.postgresql.PGStatement;
import org.postgresql.util.PSQLException;
* @see java.sql.Statement
* @see ResultSet
*/
-public class Statement extends PGStatement implements java.sql.Statement
+public class Statement implements java.sql.Statement
{
+ Connection connection; // The connection who created us
java.sql.ResultSet result = null; // The current results
SQLWarning warnings = null; // The warnings chain.
int timeout = 0; // The timeout for a query (not used)
*/
public Statement (Connection c)
{
- super(c);
+ connection = c;
}
/**
*/
public void close() throws SQLException
{
- super.close();
- result = null;
+ result = null;
}
/**
*/
public boolean execute(String sql) throws SQLException
{
- deallocate();
- result = connection.ExecSQL(this, sql);
+ result = connection.ExecSQL(sql);
return (result != null && ((org.postgresql.ResultSet)result).reallyResultSet());
}
import org.postgresql.util.*;
/**
- * $Id: Connection.java,v 1.3 2000/10/08 19:37:55 momjian Exp $
+ * $Id: Connection.java,v 1.4 2000/10/09 16:48:18 momjian Exp $
*
* A Connection represents a session with a specific database. Within the
* context of a Connection, SQL statements are executed and results are
if (this.autoCommit == autoCommit)
return;
if (autoCommit)
- ExecSQL(null, "end");
+ ExecSQL("end");
else
- ExecSQL(null, "begin");
+ ExecSQL("begin");
this.autoCommit = autoCommit;
}
{
if (autoCommit)
return;
- ExecSQL(null, "commit");
+ ExecSQL("commit");
autoCommit = true;
- ExecSQL(null, "begin");
+ ExecSQL("begin");
autoCommit = false;
}
{
if (autoCommit)
return;
- ExecSQL(null, "rollback");
+ ExecSQL("rollback");
autoCommit = true;
- ExecSQL(null, "begin");
+ ExecSQL("begin");
autoCommit = false;
}
switch(level) {
case java.sql.Connection.TRANSACTION_READ_COMMITTED:
- ExecSQL(null, q + " READ COMMITTED");
+ ExecSQL(q + " READ COMMITTED");
return;
case java.sql.Connection.TRANSACTION_SERIALIZABLE:
- ExecSQL(null, q + " SERIALIZABLE");
+ ExecSQL(q + " SERIALIZABLE");
return;
default:
*/
public int getTransactionIsolation() throws SQLException
{
- ExecSQL(null, "show xactisolevel");
+ ExecSQL("show xactisolevel");
SQLWarning w = getWarnings();
if (w != null) {
if(procedureNamePattern==null)
procedureNamePattern="%";
- r = connection.ExecSQL(null,
- "select proname, proretset from pg_proc where proname like '"+procedureNamePattern.toLowerCase()+"' order by proname");
+ r = connection.ExecSQL("select proname, proretset from pg_proc where proname like '"+procedureNamePattern.toLowerCase()+"' order by proname");
while (r.next())
{
sql.append("'");
// Now run the query
- r = connection.ExecSQL(null, sql.toString());
+ r = connection.ExecSQL(sql.toString());
byte remarks[];
byte[][] tuple = new byte[5][0];
// Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL(null, "select description from pg_description where objoid="+r.getInt(2));
+ java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(2));
if(((org.postgresql.ResultSet)dr).getTupleCount()==1) {
dr.next();
remarks = dr.getBytes(1);
// Now form the query
// Modified by Stefan Andreasen <stefan@linux.kapow.dk>
- r = connection.ExecSQL(null, "select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum");
+ r = connection.ExecSQL("select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum");
byte remarks[];
byte[][] tuple = new byte[18][0];
// Fetch the description for the table (if any)
- java.sql.ResultSet dr = connection.ExecSQL(null, "select description from pg_description where objoid="+r.getInt(1));
+ java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(1));
if(((org.postgresql.ResultSet)dr).getTupleCount()==1) {
dr.next();
tuple[11] = dr.getBytes(1);
tuple[2] = r.getBytes(2); // Table name
tuple[3] = r.getBytes(3); // Column name
- dr = connection.ExecSQL(null, "select typname from pg_type where oid = "+r.getString(4));
+ dr = connection.ExecSQL("select typname from pg_type where oid = "+r.getString(4));
dr.next();
String typname=dr.getString(1);
dr.close();
f[7] = new Field(connection,"IS_GRANTABLE",iVarcharOid,32);
// This is taken direct from the psql source
- java.sql.ResultSet r = connection.ExecSQL(null, "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");
+ 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();
*/
public java.sql.ResultSet getTypeInfo() throws SQLException
{
- java.sql.ResultSet rs = connection.ExecSQL(null, "select typname from pg_type");
+ 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
import java.sql.*;
import java.util.Vector;
import org.postgresql.util.*;
-import org.postgresql.PGStatement;
/**
* A Statement object is used for executing a static SQL statement and
* @see java.sql.Statement
* @see ResultSet
*/
-public class Statement extends PGStatement implements java.sql.Statement
+public class Statement implements java.sql.Statement
{
+ Connection connection; // The connection who created us
java.sql.ResultSet result = null; // The current results
SQLWarning warnings = null; // The warnings chain.
int timeout = 0; // The timeout for a query (not used)
*/
public Statement (Connection c)
{
- super(c);
+ connection = c;
}
/**
*/
public void close() throws SQLException
{
- super.close();
- result = null;
+ result = null;
}
/**
{
if(escapeProcessing)
sql=connection.EscapeSQL(sql);
- deallocate();
- result = connection.ExecSQL(this, sql);
+
+ result = connection.ExecSQL(sql);
return (result != null && ((org.postgresql.ResultSet)result).reallyResultSet());
}
// Second check, the type must be a table
boolean status = false;
- ResultSet rs = conn.ExecSQL(null, "select typname from pg_type,pg_class where typname=relname and typname='"+type+"'");
+ ResultSet rs = conn.ExecSQL("select typname from pg_type,pg_class where typname=relname and typname='"+type+"'");
if(rs!=null) {
if(rs.next())
status=true;
sb.append(oid);
DriverManager.println("store: "+sb.toString());
- ResultSet rs = conn.ExecSQL(null, sb.toString());
+ ResultSet rs = conn.ExecSQL(sb.toString());
if(rs!=null) {
if(rs.next()) {
for(int i=0;i<f.length;i++) {
}
DriverManager.println("store: "+sb.toString());
- ResultSet rs = conn.ExecSQL(null, sb.toString());
+ ResultSet rs = conn.ExecSQL(sb.toString());
if(rs!=null) {
rs.close();
}
// See if the table exists
String tableName = toPostgreSQL(c.getName());
- ResultSet rs = con.ExecSQL(null, "select relname from pg_class where relname = '"+tableName+"'");
+ ResultSet rs = con.ExecSQL("select relname from pg_class where relname = '"+tableName+"'");
if(!rs.next()) {
DriverManager.println("found "+rs.getString(1));
// No entries returned, so the table doesn't exist
// Now create the table
DriverManager.println("Serialize.create:"+sb);
- con.ExecSQL(null, sb.toString());
+ con.ExecSQL(sb.toString());
rs.close();
} else {
DriverManager.println("Serialize.create: table "+tableName+" exists, skipping");
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