From fe1304c06e0e7f0ce75b7bbe3af05a90a5706faa Mon Sep 17 00:00:00 2001
From: Frank Kloeker <f.kloeker@telekom.de>
Date: Wed, 29 Dec 2021 11:53:40 +0100
Subject: [PATCH] extend PRIMARY KEY handling

Signed-off-by: Frank Kloeker <f.kloeker@telekom.de>
---
 inc/_core/model/db/_upgrade.funcs.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/inc/_core/model/db/_upgrade.funcs.php b/inc/_core/model/db/_upgrade.funcs.php
index fdbe98f0beb..afebc182daa 100644
--- a/inc/_core/model/db/_upgrade.funcs.php
+++ b/inc/_core/model/db/_upgrade.funcs.php
@@ -702,7 +702,7 @@ function db_delta( $queries, $exclude_types = array(), $execute = false )
 				{
 					if( ! empty( $primary_key_fields ) )
 					{
-						$column_definition .= ', DROP PRIMARY KEY';
+						$column_definition .= ', DROP PRIMARY KEY, ADD PRIMARY KEY('.$tablefield->Field.')';
 						unset( $obsolete_indices['PRIMARY'] );
 					}
 				}
@@ -1828,4 +1828,4 @@ function db_upgrade_to_utf8_ascii( $show_title = true )
 
 	echo '<p>'.T_('Upgrading done!').'</p>';
 }
-?>
\ No newline at end of file
+?>