From 1b60e0f309a32a476993ff6b5dcffa511e1aea3b Mon Sep 17 00:00:00 2001
From: Ralf Becker <ralfbecker@outdoor-training.de>
Date: Sun, 30 May 2004 11:18:47 +0000
Subject: [PATCH] fixed droping of non-existing primary keys

---
 phpgwapi/inc/class.schema_proc_pgsql.inc.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/phpgwapi/inc/class.schema_proc_pgsql.inc.php b/phpgwapi/inc/class.schema_proc_pgsql.inc.php
index a84c997386..1e9e5b403f 100644
--- a/phpgwapi/inc/class.schema_proc_pgsql.inc.php
+++ b/phpgwapi/inc/class.schema_proc_pgsql.inc.php
@@ -611,7 +611,9 @@
 			$pkeys = $oProc->m_odb->pkey_columns($sOldTableName);
 			if(!in_array($sOldTableName . '_pkey',$indexes) && !isset($pkeys[0]))	// no idea how this can happen
 			{
-				$oProc->m_odb->query("ALTER TABLE " . $sOldTableName . " DROP CONSTRAINT " . $sOldTableName . "_pkey",__LINE__,__FILE__);
+				// this happens if the table has no primary key --> nothing to do
+				// trying to drop the (not existing) constrain results in an error
+				//$oProc->m_odb->query("ALTER TABLE " . $sOldTableName . " DROP CONSTRAINT " . $sOldTableName . "_pkey",__LINE__,__FILE__);
 			}
 			else	// rename the index
 			{