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maintenance script to run linter extension namespace migration

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*  It should be safe to automatically run during wiki update on
    3rd party wikis, and requires manual invocation on enwiki

 * The namespace migrate for enwiki will be run by an admin during
   a backport window so the process can be monitored and may run
   for a day potentially.

Bug: T299612
Change-Id: I19091a6f177e8b67d80c0b8f46782929d2e951d4
This commit is contained in:
sbailey 2022-11-17 09:31:25 -08:00
parent 374e9da67d
commit fb5bd0fc92
1 changed files with 80 additions and 0 deletions
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maintenance/migrateNamespace.php Normal file
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<?php
/**
* Maintenance script that migrates the page table page_namespace field values
* to the linter table linter_namespace field to improve linter search performance.
* note: This should be run once the namespace write functionality in linter
* recordLintJob has been enabled by setting LinterWriteNamespaceColumnStage true.
* note: This code is based on migrateRevisionActorTemp.php and migrateLinksTable.php
*/
use MediaWiki\Linter\Database;
$IP = getenv( 'MW_INSTALL_PATH' );
if ( $IP === false ) {
$IP = __DIR__ . '/../../..';
}
require_once "$IP/maintenance/Maintenance.php";
class MigrateNamespace extends LoggedUpdateMaintenance {
/**
* @inheritDoc
*/
public function __construct() {
parent::__construct();
$this->requireExtension( 'Linter' );
$this->addDescription(
'Copy the namespace data from the page table into the linter table'
);
$this->addOption(
'sleep',
'Sleep time (in seconds) between every batch. Default: 1 seconds',
false,
true
);
$this->setBatchSize( 1000 );
}
/**
* The Linter migrate namespace script can take a day to run using: --wiki enwiki
* @inheritDoc
*/
protected function doDBUpdates() {
$config = $this->getConfig();
$enableMigrateNamespaceStage = $config->get( 'LinterMigrateNamespaceStage' );
if ( !$enableMigrateNamespaceStage ) {
$this->output( "LinterMigrateNamespaceStage config value is false, code is disabled, exiting\n" );
return false;
}
$this->output( "Running linter migrate namespace function, this may take a while\n" );
$batchSize = $this->getBatchSize();
$sleep = (int)$this->getOption( 'sleep', 1 );
$dbw = self::getDB( DB_PRIMARY );
if ( !$dbw->fieldExists( 'linter', 'linter_namespace', __METHOD__ ) ) {
$this->output( "Run update.php to add linter_namespace field to the linter table.\n" );
return false;
}
$this->output( "Migrating the page table page_namespace field to the linter table...\n" );
$updated = Database::migrateNamespace( $batchSize, $batchSize, $sleep, false );
$this->output( "Completed migration of page_namespace data to the linter table, $updated rows updated.\n" );
return true;
}
/**
* @inheritDoc
*/
protected function getUpdateKey() {
return 'migrate namespace id from page to linter table';
}
}
$maintClass = MigrateNamespace::class;
require_once RUN_MAINTENANCE_IF_MAIN;