MDL-68076 core: Fix the non cross DB query

2020-06-04 19:55:35 +10:00
parent 363aaf6eaa
commit 20146e3f39
1 changed files with 2 additions and 2 deletions
@@ -158,11 +158,11 @@ class core_userfeedback {
        $versioncast = $DB->sql_cast_char2real('version');

        // A time difference more than 3 months has to be a core upgrade.
+        // Also, passing IGNORE_MULTIPLE because we are only interested in the first field and LIMIT is not cross-DB.
        $time = $DB->get_field_sql("SELECT timemodified
                                     FROM {upgrade_log}
                                    WHERE plugin = 'core' AND $targetversioncast - $versioncast > 30000
-                                 ORDER BY timemodified DESC
-                                    LIMIT 1");
+                                 ORDER BY timemodified DESC", null, IGNORE_MULTIPLE);

        return (int)$time;
    }