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migrateRevisionCommentTemp.php
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migrateRevisionCommentTemp.php
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<?php
/**
* 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
*/
// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd
/**
* Maintenance script that merges the revision_comment_temp table into the
* revision table.
*
* @ingroup Maintenance
* @since 1.40
*/
class MigrateRevisionCommentTemp extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->addDescription(
'Copy the data from the revision_comment_temp into the revision table'
);
$this->addOption(
'sleep',
'Sleep time (in seconds) between every batch. Default: 0',
false,
true
);
}
protected function getUpdateKey() {
return __CLASS__;
}
protected function doDBUpdates() {
$batchSize = $this->getBatchSize();
$dbw = $this->getDB( DB_PRIMARY );
if ( !$dbw->fieldExists( 'revision', 'rev_comment_id', __METHOD__ ) ) {
$this->output( "Run update.php to create rev_comment_id.\n" );
return false;
}
if ( !$dbw->tableExists( 'revision_comment_temp', __METHOD__ ) ) {
$this->output( "revision_comment_temp does not exist, so nothing to do.\n" );
return true;
}
$this->output( "Merging the revision_comment_temp table into the revision table...\n" );
$conds = [];
$updated = 0;
$sleep = (int)$this->getOption( 'sleep', 0 );
while ( true ) {
$res = $dbw->newSelectQueryBuilder()
->select( [ 'rev_id', 'revcomment_comment_id' ] )
->from( 'revision' )
->join( 'revision_comment_temp', null, 'rev_id=revcomment_rev' )
->where( [ 'rev_comment_id' => 0 ] )
->andWhere( $conds )
->limit( $batchSize )
->orderBy( 'rev_id' )
->caller( __METHOD__ )
->fetchResultSet();
$numRows = $res->numRows();
$last = null;
foreach ( $res as $row ) {
$last = $row->rev_id;
$dbw->newUpdateQueryBuilder()
->update( 'revision' )
->set( [ 'rev_comment_id' => $row->revcomment_comment_id ] )
->where( [ 'rev_id' => $row->rev_id ] )
->caller( __METHOD__ )->execute();
$updated += $dbw->affectedRows();
}
if ( $numRows < $batchSize ) {
// We must have reached the end
break;
}
// @phan-suppress-next-line PhanTypeSuspiciousStringExpression last is not-null when used
$this->output( "... rev_id=$last, updated $updated\n" );
$conds = [ $dbw->expr( 'rev_id', '>', $last ) ];
// Sleep between batches for replication to catch up
$this->waitForReplication();
if ( $sleep > 0 ) {
sleep( $sleep );
}
}
$this->output(
"Completed merge of revision_comment_temp into the revision table, "
. "$updated rows updated.\n"
);
return true;
}
}
// @codeCoverageIgnoreStart
$maintClass = MigrateRevisionCommentTemp::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd

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text/x-php
Expires
Aug 18 2026, 10:49 (5 w, 5 d ago)
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local-disk
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Storage Handle
ee/3a/548f7444dd6f2bc6bffad606149a
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migrateRevisionCommentTemp.php (3 KB)

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