From: Dave Cramer <davec@fastcrypt.com>
Date: Tue, 25 Mar 2003 02:01:19 +0000 (+0000)
Subject: added DISTINCT to the query to get cross reference. This is required when two columns... 
X-Git-Tag: REL7_3_3~50
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1c4f2a63c0358682f0fd23b9ff61cdf29137cc94;p=postgresql

added DISTINCT to the query to get cross reference. This is required when two columns in a table are both foreign keys to another table. From Peter Royal proyal@pace2020.com
---

diff --git a/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java b/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
index a80b327d16..305b88e81f 100644
--- a/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
+++ b/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
@@ -2960,7 +2960,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
 		 */
 
 		if (connection.haveMinimumServerVersion("7.3")) {
-			select = "SELECT n1.nspname as pnspname,n2.nspname as fnspname, ";
+			select = "SELECT DISTINCT n1.nspname as pnspname,n2.nspname as fnspname, ";
 			from = " FROM pg_catalog.pg_namespace n1 "+
 				" JOIN pg_catalog.pg_class c1 ON (c1.relnamespace = n1.oid) "+
 				" JOIN pg_catalog.pg_index i ON (c1.oid=i.indrelid) "+
@@ -2979,7 +2979,7 @@ public abstract class AbstractJdbc1DatabaseMetaData
 				where += " AND n2.nspname = '"+escapeQuotes(foreignSchema)+"' ";
 			}
 		} else {
-			select = "SELECT NULL::text as pnspname, NULL::text as fnspname, ";
+			select = "SELECT DISTINCT NULL::text as pnspname, NULL::text as fnspname, ";
 			from = " FROM pg_class c1 "+
 				" JOIN pg_index i ON (c1.oid=i.indrelid) "+
 				" JOIN pg_class ic ON (i.indexrelid=ic.oid) "+