patch to fix returning he information schema as a system object by Kris Jurka

diff --git a/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java b/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
index 90c1d00..d716193 100644 (file)
--- a/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
+++ b/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
@@ -1971,15 +1971,15 @@ public abstract class AbstractJdbc1DatabaseMetaData
                if (connection.haveMinimumServerVersion("7.3")) {
                        useSchemas = "SCHEMAS";
                        select = "SELECT NULL AS TABLE_CAT, n.nspname AS TABLE_SCHEM, c.relname AS TABLE_NAME, "+
-                       " CASE n.nspname LIKE 'pg\\\\_%' "+
-                       " WHEN true THEN CASE n.nspname "+
-                       "       WHEN 'pg_catalog' THEN CASE c.relkind "+
+                       " CASE n.nspname LIKE 'pg\\\\_%' OR n.nspname = 'information_schema' "+
+                       " WHEN true THEN CASE "+
+                       "       WHEN n.nspname = 'pg_catalog' OR n.nspname = 'information_schema' THEN CASE c.relkind "+
                        "               WHEN 'r' THEN 'SYSTEM TABLE' "+
                        "               WHEN 'v' THEN 'SYSTEM VIEW' "+
                        "               WHEN 'i' THEN 'SYSTEM INDEX' "+
                        "               ELSE NULL "+
                        "               END "+
-                       "       WHEN 'pg_toast' THEN CASE c.relkind "+
+                       "       WHEN n.nspname = 'pg_toast' THEN CASE c.relkind "+
                        "               WHEN 'r' THEN 'SYSTEM TOAST TABLE' "+
                        "               WHEN 'i' THEN 'SYSTEM TOAST INDEX' "+
                        "               ELSE NULL "+
@@ -2089,15 +2089,15 @@ public abstract class AbstractJdbc1DatabaseMetaData
                tableTypeClauses = new Hashtable();
                Hashtable ht = new Hashtable();
                tableTypeClauses.put("TABLE",ht);
-               ht.put("SCHEMAS","c.relkind = 'r' AND n.nspname NOT LIKE 'pg\\\\_%'");
+               ht.put("SCHEMAS","c.relkind = 'r' AND n.nspname NOT LIKE 'pg\\\\_%' AND n.nspname <> 'information_schema'");
                ht.put("NOSCHEMAS","c.relkind = 'r' AND c.relname NOT LIKE 'pg\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("VIEW",ht);
-               ht.put("SCHEMAS","c.relkind = 'v' AND n.nspname <> 'pg_catalog'");
+               ht.put("SCHEMAS","c.relkind = 'v' AND n.nspname <> 'pg_catalog' AND n.nspname <> 'information_schema'");
                ht.put("NOSCHEMAS","c.relkind = 'v' AND c.relname NOT LIKE 'pg\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("INDEX",ht);
-               ht.put("SCHEMAS","c.relkind = 'i' AND n.nspname NOT LIKE 'pg\\\\_%'");
+               ht.put("SCHEMAS","c.relkind = 'i' AND n.nspname NOT LIKE 'pg\\\\_%' AND n.nspname <> 'information_schema'");
                ht.put("NOSCHEMAS","c.relkind = 'i' AND c.relname NOT LIKE 'pg\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("SEQUENCE",ht);
@@ -2105,7 +2105,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
                ht.put("NOSCHEMAS","c.relkind = 'S'");
                ht = new Hashtable();
                tableTypeClauses.put("SYSTEM TABLE",ht);
-               ht.put("SCHEMAS","c.relkind = 'r' AND n.nspname = 'pg_catalog'");
+               ht.put("SCHEMAS","c.relkind = 'r' AND (n.nspname = 'pg_catalog' OR n.nspname = 'information_schema')");
                ht.put("NOSCHEMAS","c.relkind = 'r' AND c.relname LIKE 'pg\\\\_%' AND c.relname NOT LIKE 'pg\\\\_toast\\\\_%' AND c.relname NOT LIKE 'pg\\\\_temp\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("SYSTEM TOAST TABLE",ht);
@@ -2117,11 +2117,11 @@ public abstract class AbstractJdbc1DatabaseMetaData
                ht.put("NOSCHEMAS","c.relkind = 'i' AND c.relname LIKE 'pg\\\\_toast\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("SYSTEM VIEW",ht);
-               ht.put("SCHEMAS","c.relkind = 'v' AND n.nspname = 'pg_catalog' ");
+               ht.put("SCHEMAS","c.relkind = 'v' AND (n.nspname = 'pg_catalog' OR n.nspname = 'information_schema') ");
                ht.put("NOSCHEMAS","c.relkind = 'v' AND c.relname LIKE 'pg\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("SYSTEM INDEX",ht);
-               ht.put("SCHEMAS","c.relkind = 'i' AND n.nspname = 'pg_catalog'");
+               ht.put("SCHEMAS","c.relkind = 'i' AND (n.nspname = 'pg_catalog' OR n.nspname = 'information_schema') ");
                ht.put("NOSCHEMAS","c.relkind = 'v' AND c.relname LIKE 'pg\\\\_%' AND c.relname NOT LIKE 'pg\\\\_toast\\\\_%' AND c.relname NOT LIKE 'pg\\\\_temp\\\\_%'");
                ht = new Hashtable();
                tableTypeClauses.put("TEMPORARY TABLE",ht);