<?php
+/**
+ * Rebuild recent changes table.
+ *
+ * @todo document
+ * @package MediaWiki
+ * @subpackage Maintenance
+ */
-# Rebuild recent changes table.
-#
-
+/** */
function rebuildRecentChangesTablePass1()
{
$fname = 'rebuildRecentChangesTablePass1';
$dbw =& wfGetDB( DB_MASTER );
- extract( $dbw->tableNames( 'recentchanges', 'cur', 'old' );
+ extract( $dbw->tableNames( 'recentchanges', 'cur', 'old' ) );
$dbw->delete( 'recentchanges', '*' );
print( "Loading from CUR table...\n" );
-
+
$dbw->insertSelect( 'recentchanges', 'cur',
array(
'rc_timestamp' => 'cur_timestamp',
'rc_cur_id' => 'cur_id',
'rc_this_oldid' => 0,
'rc_last_oldid' => 0,
- 'rc_type' => 'IF(cur_is_new,' . RC_NEW . ',' . RC_EDIT . ')'
- ), '*', $fname, array( 'ORDER BY' => 'inverse_timestamp', 'LIMIT' => 5000
+ 'rc_type' => $dbw->conditional( 'cur_is_new != 0', RC_NEW, RC_EDIT ),
+ ), '*', $fname, array( 'ORDER BY' => 'inverse_timestamp', 'LIMIT' => 5000 )
);
print( "Loading from OLD table...\n" );
$sql = "INSERT INTO $recentchanges (rc_timestamp,rc_cur_time,rc_user," .
"rc_user_text,rc_namespace,rc_title,rc_comment,rc_minor,rc_bot,rc_new," .
- "rc_cur_id,rc_this_oldid,rc_last_oldid) SELECT old_timestamp,cur_timestamp," .
+ "rc_cur_id,rc_this_oldid,rc_last_oldid,rc_type) SELECT old_timestamp,cur_timestamp," .
"old_user,old_user_text,old_namespace,old_title,old_comment," .
- "old_minor_edit,0,0,cur_id,old_id,0 FROM $old,$cur " .
+ "old_minor_edit,0,0,cur_id,old_id,0,0 FROM $old,$cur " .
"WHERE old_namespace=cur_namespace AND old_title=cur_title ORDER BY $old.inverse_timestamp " .
"LIMIT 5000";
$dbw->query( $sql );
$sql = "SELECT rc_timestamp FROM $recentchanges " .
- "ORDER BY rc_timestamp DESC LIMIT 5000,1";
+ "ORDER BY rc_timestamp DESC" . $dbw->limitResult( 1, 5000 );
$res = $dbw->query( $sql );
$obj = $dbw->fetchObject( $res );
- $ts = $obj->rc_timestamp;
-
- $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$ts}'";
- $dbw->query( $sql );
+ if( $obj ) {
+ $ts = $obj->rc_timestamp;
+
+ $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$ts}'";
+ $dbw->query( $sql );
+ }
}
function rebuildRecentChangesTablePass2()
{
$dbw =& wfGetDB( DB_MASTER );
- extract( $dbw->tableNames( 'recentchanges', 'cur', 'old' );
+ extract( $dbw->tableNames( 'recentchanges', 'cur', 'old' ) );
$ns = $id = $count = 0;
$title = $ct = "";