3385d6d157
* Moved the code from User::decodeOptions() to the maintenance script, the only place it is (indirectly) used. * Changed the script to insert new rows itself rather than calling User::saveSettings(), avoiding bug 63677. * Removed FOR UPDATE and COMMIT lacking a matching BEGIN. * Made ORDER BY explicit. * Removed pointless "Do each user sequentially [...]" comment dating back to r48732, in which the script would increment a user's ID to get the next one. Bug: 63677 Change-Id: I86365a7363af3376cc4f55fa528b050b44378656
121 lines
3.2 KiB
PHP
121 lines
3.2 KiB
PHP
<?php
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/**
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* Convert user options to the new `user_properties` table.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script to convert user options to the new `user_properties` table.
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*
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* @ingroup Maintenance
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*/
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class ConvertUserOptions extends Maintenance {
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private $mConversionCount = 0;
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Convert user options from old to new system";
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$this->setBatchSize( 50 );
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}
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public function execute() {
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$this->output( "...batch conversion of user_options: " );
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$id = 0;
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$dbw = wfGetDB( DB_MASTER );
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if ( !$dbw->fieldExists( 'user', 'user_options', __METHOD__ ) ) {
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$this->output( "nothing to migrate. " );
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return;
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}
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while ( $id !== null ) {
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$res = $dbw->select( 'user',
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array( 'user_id', 'user_options' ),
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array(
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'user_id > ' . $dbw->addQuotes( $id ),
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"user_options != " . $dbw->addQuotes( '' ),
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),
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__METHOD__,
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array(
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'ORDER BY' => 'user_id',
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'LIMIT' => $this->mBatchSize,
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)
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);
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$id = $this->convertOptionBatch( $res, $dbw );
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wfWaitForSlaves();
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if ( $id ) {
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$this->output( "--Converted to ID $id\n" );
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}
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}
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$this->output( "done. Converted " . $this->mConversionCount . " user records.\n" );
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}
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/**
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* @param ResultWrapper $res
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* @param DatabaseBase $dbw
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* @return null|int
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*/
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function convertOptionBatch( $res, $dbw ) {
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$id = null;
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foreach ( $res as $row ) {
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$this->mConversionCount++;
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$insertRows = array();
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foreach ( explode( "\n", $row->user_options ) as $s ) {
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$m = array();
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if ( !preg_match( "/^(.[^=]*)=(.*)$/", $s, $m ) ) {
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continue;
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}
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// MW < 1.16 would save even default values. Filter them out
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// here (as in User) to avoid adding many unnecessary rows.
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$defaultOption = User::getDefaultOption( $m[1] );
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if ( is_null( $defaultOption ) || $m[2] != $defaultOption ) {
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$insertRows[] = array(
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'up_user' => $row->user_id,
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'up_property' => $m[1],
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'up_value' => $m[2],
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);
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}
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}
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if ( count( $insertRows ) ) {
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$dbw->insert( 'user_properties', $insertRows, __METHOD__, array( 'IGNORE' ) );
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}
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$dbw->update(
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'user',
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array( 'user_options' => '' ),
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array( 'user_id' => $row->user_id ),
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__METHOD__
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);
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$id = $row->user_id;
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}
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return $id;
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}
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}
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$maintClass = "ConvertUserOptions";
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require_once RUN_MAINTENANCE_IF_MAIN;
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