require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class UpdateCollation extends Maintenance {
- const BATCH_SIZE = 1000;
+ const BATCH_SIZE = 50;
public function __construct() {
parent::__construct();
up-to-date, it will do nothing.
TEXT;
- #$this->addOption( 'force', 'Run on all rows, even if the collation is supposed to be up-to-date.' );
+ $this->addOption( 'force', 'Run on all rows, even if the collation is ' .
+ 'supposed to be up-to-date.' );
+ }
+
+ public function syncDBs() {
+ $lb = wfGetLB();
+ // bug 27975 - Don't try to wait for slaves if there are none
+ // Prevents permission error when getting master position
+ if ( $lb->getServerCount() > 1 ) {
+ $dbw = $lb->getConnection( DB_MASTER );
+ $pos = $dbw->getMasterPos();
+ $lb->waitForAll( $pos );
+ }
}
public function execute() {
- global $wgCategoryCollation;
+ global $wgCategoryCollation, $wgMiserMode;
$dbw = wfGetDB( DB_MASTER );
- $count = $dbw->selectField(
- 'categorylinks',
- 'COUNT(*)',
- 'cl_collation != ' . $dbw->addQuotes( $wgCategoryCollation ),
- __METHOD__
- );
-
- if ( $count == 0 ) {
- $this->output( "Collations up-to-date.\n" );
- return;
+ $force = $this->getOption( 'force' );
+
+ $options = array( 'LIMIT' => self::BATCH_SIZE );
+
+ if ( $force ) {
+ $options['ORDER BY'] = 'cl_from, cl_to';
+ } else {
+ $collationConds = array( 0 =>
+ 'cl_collation != ' . $dbw->addQuotes( $wgCategoryCollation ) );
+
+ if ( !$wgMiserMode ) {
+ $count = $dbw->selectField(
+ 'categorylinks',
+ 'COUNT(*)',
+ $collationConds,
+ __METHOD__
+ );
+
+ if ( $count == 0 ) {
+ $this->output( "Collations up-to-date.\n" );
+ return;
+ }
+ $this->output( "Fixing collation for $count rows.\n" );
+ }
}
- $this->output( "Fixing collation for $count rows.\n" );
$count = 0;
+ $row = false;
+ $batchConds = array();
do {
+ $this->output( 'Processing next ' . self::BATCH_SIZE . ' rows... ');
$res = $dbw->select(
array( 'categorylinks', 'page' ),
array( 'cl_from', 'cl_to', 'cl_sortkey_prefix', 'cl_collation',
'cl_sortkey', 'page_namespace', 'page_title'
),
- array(
- 'cl_collation != ' . $dbw->addQuotes( $wgCategoryCollation ),
- 'cl_from = page_id'
- ),
+ array_merge( $collationConds, $batchConds, array( 'cl_from = page_id' ) ),
__METHOD__,
- array( 'LIMIT' => self::BATCH_SIZE )
+ $options
);
$dbw->begin();
}
$dbw->commit();
+ if ( $force && $row ) {
+ $encFrom = $dbw->addQuotes( $row->cl_from );
+ $encTo = $dbw->addQuotes( $row->cl_to );
+ $batchConds = array(
+ "(cl_from = $encFrom AND cl_to > $encTo) " .
+ " OR cl_from > $encFrom" );
+ }
+
$count += $res->numRows();
$this->output( "$count done.\n" );
+
+ $this->syncDBs();
} while ( $res->numRows() == self::BATCH_SIZE );
}
}