diff options
| -rw-r--r-- | phpBB/install/database_update.php | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php index a1b7dcd47f..b6298ca651 100644 --- a/phpBB/install/database_update.php +++ b/phpBB/install/database_update.php @@ -2024,6 +2024,48 @@ function change_database_data(&$no_updates, $version) // No changes from 3.0.10-RC3 to 3.0.10 case '3.0.10-RC3': break; + + // Changes from 3.0.10 to 3.0.11-RC1 + case '3.0.10': + // Delete orphan private messages + $batch_size = 500; + + $sql_array = array( + 'SELECT' => 'p.msg_id', + 'FROM' => array( + PRIVMSGS_TABLE => 'p', + ), + 'LEFT_JOIN' => array( + array( + 'FROM' => array(PRIVMSGS_TO_TABLE, 't'), + 'ON' => 'p.msg_id = t.msg_id', + ), + ), + 'WHERE' => 't.user_id IS NULL'; + $sql = $db->sql_build_query('SELECT', $sql_array); + + do + { + $result = $db->sql_query_limit($sql, $batch_size); + + $delete_pms = array(); + while ($row = $db->sql_fetchrow($result)) + { + $delete_pms[] = (int) $row['msg_id']; + } + $db->sql_freeresult($result); + + if (!empty($delete_pms)) + { + $sql = 'DELETE FROM ' . PRIVMSGS_TABLE . ' + WHERE ' . $db->sql_in_set('msg_id', $delete_pms); + $db->sql_query($sql); + } + } + while (sizeof($delete_pms) == $batch_size); + + $no_updates = false; + break; } } |