diff options
Diffstat (limited to 'phpBB/install/database_update.php')
| -rw-r--r-- | phpBB/install/database_update.php | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php index 83bbbf4577..fec09f89db 100644 --- a/phpBB/install/database_update.php +++ b/phpBB/install/database_update.php @@ -1749,6 +1749,52 @@ function change_database_data(&$no_updates, $version) _sql($sql, $errored, $error_ary); // end Bing Bot addition + // Delete shadow topics pointing to not existing topics + $batch_size = 500; + + // Set of affected forums we have to resync + $sync_forum_ids = array(); + + do + { + $sql_array = array( + 'SELECT' => 't1.topic_id, t1.forum_id', + 'FROM' => array( + TOPICS_TABLE => 't1', + ), + 'LEFT_JOIN' => array( + array( + 'FROM' => array(TOPICS_TABLE => 't2'), + 'ON' => 't1.topic_moved_id = t2.topic_id', + ), + ), + 'WHERE' => 't1.topic_moved_id <> 0 + AND t2.topic_id IS NULL', + ); + $sql = $db->sql_build_query('SELECT', $sql_array); + $result = $db->sql_query_limit($sql, $batch_size); + + $topic_ids = array(); + while ($row = $db->sql_fetchrow($result)) + { + $topic_ids[] = (int) $row['topic_id']; + + $sync_forum_ids[(int) $row['forum_id']] = (int) $row['forum_id']; + } + $db->sql_freeresult($result); + + if (!empty($topic_ids)) + { + $sql = 'DELETE FROM ' . TOPICS_TABLE . ' + WHERE ' . $db->sql_in_set('topic_id', $topic_ids); + $db->sql_query($sql); + } + } + while (sizeof($topic_ids) == $batch_size); + + // Sync the forums we have deleted shadow topics from. + sync('forum', 'forum_id', $sync_forum_ids, true, true); + $no_updates = false; break; } |