* Makes the required database updates for rev_parent_id
* to be of any use. It can be used for some simple tracking
* and to find new page edits by users.
+ *
+ * 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
+ *
+ * @ingroup Maintenance
*/
-require_once( "Maintenance.php" );
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
class PopulateParentId extends Maintenance {
-
- // Batch size
- const BATCH_SIZE = 200;
-
public function __construct() {
parent::__construct();
$this->mDescription = "Populates rev_parent_id";
+ $this->setBatchSize( 200 );
}
public function execute() {
$db = wfGetDB( DB_MASTER );
if ( !$db->tableExists( 'revision' ) ) {
- $this->error( "revision table does not exist\n", true );
+ $this->error( "revision table does not exist", true );
}
$this->output( "Populating rev_parent_id column\n" );
$start = $db->selectField( 'revision', 'MIN(rev_id)', false, __FUNCTION__ );
$end = $db->selectField( 'revision', 'MAX(rev_id)', false, __FUNCTION__ );
- if( is_null( $start ) || is_null( $end ) ){
+ if ( is_null( $start ) || is_null( $end ) ) {
$this->output( "...revision table seems to be empty.\n" );
$db->insert( 'updatelog',
array( 'ul_key' => 'populate rev_parent_id' ),
- __FUNCTION__,
+ __METHOD__,
'IGNORE' );
return;
}
# Do remaining chunk
- $end += self::BATCH_SIZE - 1;
$blockStart = intval( $start );
- $blockEnd = intval( $start ) + self::BATCH_SIZE - 1;
+ $blockEnd = intval( $start ) + $this->mBatchSize - 1;
$count = 0;
$changed = 0;
- while( $blockEnd <= $end ) {
+ while ( $blockStart <= $end ) {
$this->output( "...doing rev_id from $blockStart to $blockEnd\n" );
$cond = "rev_id BETWEEN $blockStart AND $blockEnd";
- $res = $db->select( 'revision',
- array('rev_id','rev_page','rev_timestamp','rev_parent_id'),
- $cond, __FUNCTION__ );
+ $res = $db->select( 'revision',
+ array( 'rev_id', 'rev_page', 'rev_timestamp', 'rev_parent_id' ),
+ $cond, __METHOD__ );
# Go through and update rev_parent_id from these rows.
# Assume that the previous revision of the title was
# the original previous revision of the title when the
# edit was made...
- foreach( $res as $row ) {
+ foreach ( $res as $row ) {
# First, check rows with the same timestamp other than this one
# with a smaller rev ID. The highest ID "wins". This avoids loops
# as timestamp can only decrease and never loops with IDs (from parent to parent)
- $previousID = $db->selectField( 'revision', 'rev_id',
+ $previousID = $db->selectField( 'revision', 'rev_id',
array( 'rev_page' => $row->rev_page, 'rev_timestamp' => $row->rev_timestamp,
- "rev_id < " . intval( $row->rev_id ) ),
- __FUNCTION__,
+ "rev_id < " . intval( $row->rev_id ) ),
+ __METHOD__,
array( 'ORDER BY' => 'rev_id DESC' ) );
# If there are none, check the the highest ID with a lower timestamp
- if( !$previousID ) {
+ if ( !$previousID ) {
# Get the highest older timestamp
- $lastTimestamp = $db->selectField( 'revision', 'rev_timestamp',
- array( 'rev_page' => $row->rev_page, "rev_timestamp < " . $db->addQuotes( $row->rev_timestamp ) ),
- __FUNCTION__,
+ $lastTimestamp = $db->selectField( 'revision', 'rev_timestamp',
+ array( 'rev_page' => $row->rev_page, "rev_timestamp < " . $db->addQuotes( $row->rev_timestamp ) ),
+ __METHOD__,
array( 'ORDER BY' => 'rev_timestamp DESC' ) );
# If there is one, let the highest rev ID win
- if( $lastTimestamp ) {
- $previousID = $db->selectField( 'revision', 'rev_id',
- array( 'rev_page' => $row->rev_page, 'rev_timestamp' => $lastTimestamp ),
- __FUNCTION__,
+ if ( $lastTimestamp ) {
+ $previousID = $db->selectField( 'revision', 'rev_id',
+ array( 'rev_page' => $row->rev_page, 'rev_timestamp' => $lastTimestamp ),
+ __METHOD__,
array( 'ORDER BY' => 'rev_id DESC' ) );
}
}
- $previousID = intval($previousID);
- if( $previousID != $row->rev_parent_id )
+ $previousID = intval( $previousID );
+ if ( $previousID != $row->rev_parent_id )
$changed++;
# Update the row...
$db->update( 'revision',
array( 'rev_parent_id' => $previousID ),
array( 'rev_id' => $row->rev_id ),
- __FUNCTION__ );
+ __METHOD__ );
$count++;
}
- $blockStart += self::BATCH_SIZE - 1;
- $blockEnd += self::BATCH_SIZE - 1;
+ $blockStart += $this->mBatchSize;
+ $blockEnd += $this->mBatchSize;
wfWaitForSlaves( 5 );
}
$logged = $db->insert( 'updatelog',
array( 'ul_key' => 'populate rev_parent_id' ),
- __FUNCTION__,
+ __METHOD__,
'IGNORE' );
- if( $logged ) {
+ if ( $logged ) {
$this->output( "rev_parent_id population complete ... {$count} rows [{$changed} changed]\n" );
return true;
} else {
}
$maintClass = "PopulateParentId";
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );
dépôts / lhc / web / wiklou.git / blobdiff