/**
* Support functions for cleaning up redundant text records
*
- * @addtogroup Maintenance
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
* @author Rob Church <robchur@gmail.com>
*/
function PurgeRedundantText( $delete = false ) {
-
+
# Data should come off the master, wrapped in a transaction
$dbw = wfGetDB( DB_MASTER );
- $dbw->begin();
-
+ $dbw->begin( __METHOD__ );
+
$tbl_arc = $dbw->tableName( 'archive' );
$tbl_rev = $dbw->tableName( 'revision' );
$tbl_txt = $dbw->tableName( 'text' );
-
+
# Get "active" text records from the revisions table
- echo( "Searching for active text records in revisions table..." );
- $res = $dbw->query( "SELECT DISTINCTROW rev_text_id FROM $tbl_rev" );
- while( $row = $dbw->fetchObject( $res ) ) {
+ echo "Searching for active text records in revisions table...";
+ $res = $dbw->query( "SELECT DISTINCT rev_text_id FROM $tbl_rev" );
+ foreach ( $res as $row ) {
$cur[] = $row->rev_text_id;
}
- echo( "done.\n" );
-
+ echo "done.\n";
+
# Get "active" text records from the archive table
- echo( "Searching for active text records in archive table..." );
- $res = $dbw->query( "SELECT DISTINCTROW ar_text_id FROM $tbl_arc" );
- while( $row = $dbw->fetchObject( $res ) ) {
+ echo "Searching for active text records in archive table...";
+ $res = $dbw->query( "SELECT DISTINCT ar_text_id FROM $tbl_arc" );
+ $cur = array();
+ foreach ( $res as $row ) {
$cur[] = $row->ar_text_id;
}
- echo( "done.\n" );
-
+ echo "done.\n";
+
# Get the IDs of all text records not in these sets
- echo( "Searching for inactive text records..." );
+ echo "Searching for inactive text records...";
$set = implode( ', ', $cur );
$res = $dbw->query( "SELECT old_id FROM $tbl_txt WHERE old_id NOT IN ( $set )" );
$old = array();
- while( $row = $dbw->fetchObject( $res ) ) {
+ foreach ( $res as $row ) {
$old[] = $row->old_id;
}
- echo( "done.\n" );
-
+ echo "done.\n";
+
# Inform the user of what we're going to do
$count = count( $old );
- echo( "$count inactive items found.\n" );
-
+ echo "$count inactive items found.\n";
+
# Delete as appropriate
- if( $delete && $count ) {
- echo( "Deleting..." );
+ if ( $delete && $count ) {
+ echo "Deleting...";
$set = implode( ', ', $old );
$dbw->query( "DELETE FROM $tbl_txt WHERE old_id IN ( $set )" );
- echo( "done.\n" );
+ echo "done.\n";
}
-
+
# Done
- $dbw->commit();
-
-}
+ $dbw->commit( __METHOD__ );
-?>
+}