From 6a19c6dccfee66df3970dfba15a8590fdd399bc1 Mon Sep 17 00:00:00 2001
From: Dave Cramer <davec@fastcrypt.com>
Date: Tue, 25 Mar 2003 02:28:45 +0000
Subject: [PATCH] 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
---
.../org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java b/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
index 98af4ce9838..675321447c9 100644
--- a/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
+++ b/src/interfaces/jdbc/org/postgresql/jdbc1/AbstractJdbc1DatabaseMetaData.java
@@ -2966,7 +2966,7 @@ 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) "+
@@ -2985,7 +2985,7 @@ 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) "+
--
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