From 64b35edad2588e1b2c05a1026e5de65e31c91ab8 Mon Sep 17 00:00:00 2001
From: = <peter.mayer@isb.bayern.de>
Date: Fri, 4 Mar 2022 11:26:19 +0100
Subject: [PATCH] MBS-4967: Adding check for index_exists to upgrade.php
---
db/upgrade.php | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/db/upgrade.php b/db/upgrade.php
index dee0096..dcad1a6 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -524,14 +524,16 @@ function hvp_upgrade_2020082800() {
* Drop old unused unique index, add nonunique index.
*/
function hvp_upgrade_2020091500() {
- global $DB;
- $dbman = $DB->get_manager();
- $table = new xmldb_table('hvp_xapi_results');
- $index = new xmldb_index('results', XMLDB_INDEX_NOTUNIQUE, ['content_id', 'user_id']);
- $dbman->add_index($table, $index);
-
- $oldindex = new xmldb_index('result', XMLDB_INDEX_UNIQUE, ['id', 'content_id', 'user_id']);
- $dbman->drop_index($table, $oldindex);
+ global $DB;
+ $dbman = $DB->get_manager();
+ $table = new xmldb_table('hvp_xapi_results');
+ $index = new xmldb_index('results', XMLDB_INDEX_NOTUNIQUE, ['content_id', 'user_id']);
+ if (!$dbman->index_exists($table, $index)) {
+ $dbman->add_index($table, $index);
+ }
+
+ $oldindex = new xmldb_index('result', XMLDB_INDEX_UNIQUE, ['id', 'content_id', 'user_id']);
+ $dbman->drop_index($table, $oldindex);
}
function hvp_upgrade_2020112600() {
--
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