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MysqlUpdater.php
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MysqlUpdater.php
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<?php
/**
* MySQL-specific updater.
*
* @license GPL-2.0-or-later
* @file
* @ingroup Installer
*/
namespace MediaWiki\Installer;
use FixInconsistentRedirects;
use FixWrongPasswordPrefixes;
use MediaWiki\Maintenance\FixAutoblockLogTitles;
use MigrateExternallinks;
use MigrateRevisionActorTemp;
use MigrateRevisionCommentTemp;
use PopulateUserIsTemp;
use UpdateRestrictions;
/**
* Mysql update list and mysql-specific update functions.
*
* @ingroup Installer
* @since 1.17
* @property \Wikimedia\Rdbms\DatabaseMySQL $db
*/
class MysqlUpdater extends DatabaseUpdater {
/** @inheritDoc */
protected function getCoreUpdateList() {
return [
// 1.39
[ 'addTable', 'user_autocreate_serial', 'patch-user_autocreate_serial.sql' ],
[ 'modifyField', 'ipblocks_restrictions', 'ir_ipb_id', 'patch-ipblocks_restrictions-ir_ipb_id.sql' ],
[ 'modifyField', 'ipblocks', 'ipb_id', 'patch-ipblocks-ipb_id.sql' ],
[ 'modifyField', 'user', 'user_editcount', 'patch-user-user_editcount.sql' ],
[ 'runMaintenance', MigrateRevisionActorTemp::class ],
[ 'dropTable', 'revision_actor_temp' ],
[ 'runMaintenance', UpdateRestrictions::class ],
[ 'dropField', 'page', 'page_restrictions', 'patch-page-drop-page_restrictions.sql' ],
[ 'migrateTemplatelinks' ],
[ 'modifyField', 'templatelinks', 'tl_namespace', 'patch-templatelinks-tl_title-nullable.sql' ],
[ 'dropField', 'templatelinks', 'tl_title', 'patch-templatelinks-drop-tl_title.sql' ],
// 1.40
[ 'addField', 'externallinks', 'el_to_path', 'patch-externallinks-el_to_path.sql' ],
// 1.41
[ 'addField', 'user', 'user_is_temp', 'patch-user-user_is_temp.sql' ],
[ 'runMaintenance', MigrateRevisionCommentTemp::class ],
[ 'dropTable', 'revision_comment_temp' ],
[ 'runMaintenance', MigrateExternallinks::class ],
[ 'modifyField', 'externallinks', 'el_to', 'patch-externallinks-el_to_default.sql' ],
[ 'addField', 'pagelinks', 'pl_target_id', 'patch-pagelinks-target_id.sql' ],
[ 'dropField', 'externallinks', 'el_to', 'patch-externallinks-drop-el_to.sql' ],
[ 'runMaintenance', FixInconsistentRedirects::class ],
[ 'modifyField', 'image', 'img_size', 'patch-image-img_size_to_bigint.sql' ],
[ 'modifyField', 'filearchive', 'fa_size', 'patch-filearchive-fa_size_to_bigint.sql' ],
[ 'modifyField', 'oldimage', 'oi_size', 'patch-oldimage-oi_size_to_bigint.sql' ],
[ 'modifyField', 'uploadstash', 'us_size', 'patch-uploadstash-us_size_to_bigint.sql' ],
// 1.42
[ 'addField', 'user_autocreate_serial', 'uas_year', 'patch-user_autocreate_serial-uas_year.sql' ],
[ 'addTable', 'block_target', 'patch-block_target.sql' ],
[ 'dropIndex', 'categorylinks', 'cl_collation_ext', 'patch-drop-cl_collation_ext.sql' ],
[ 'runMaintenance', PopulateUserIsTemp::class ],
[ 'dropIndex', 'sites', 'site_type', 'patch-sites-drop_indexes.sql' ],
[ 'dropIndex', 'iwlinks', 'iwl_prefix_from_title', 'patch-iwlinks-drop-iwl_prefix_from_title.sql' ],
// 1.43
[ 'migratePagelinks' ],
[ 'modifyField', 'revision', 'rev_id', 'patch-revision-cleanup.sql' ],
[ 'modifyField', 'recentchanges', 'rc_id', 'patch-recentchanges-rc_id-bigint.sql' ],
[ 'modifyField', 'change_tag', 'ct_rc_id', 'patch-change_tag-ct_rc_id.sql' ],
[ 'runMaintenance', \MigrateBlocks::class ],
[ 'dropTable', 'ipblocks' ],
[ 'dropField', 'pagelinks', 'pl_title', 'patch-pagelinks-drop-pl_title.sql' ],
[ 'modifyField', 'page', 'page_links_updated', 'patch-page-page_links_updated-noinfinite.sql' ],
[ 'addPostDatabaseUpdateMaintenance', FixAutoblockLogTitles::class ],
[ 'changeTableOption', 'searchindex', 'CONVERT TO CHARACTER SET utf8mb4', 'utf8mb4' ],
[ 'migrateSearchindex' ],
// 1.44
[ 'addTable', 'file', 'patch-file.sql' ],
[ 'addField', 'categorylinks', 'cl_target_id', 'patch-categorylinks-target_id.sql' ],
[ 'addTable', 'collation', 'patch-collation.sql' ],
[ 'dropTable', 'module_deps' ],
// 1.45
[ 'addTable', 'existencelinks', 'patch-existencelinks.sql' ],
[ 'runMaintenance', FixWrongPasswordPrefixes::class ],
[ 'addIndex', 'categorylinks', 'cl_timestamp_id', 'patch-categorylinks-cl_timestamp_id.sql' ],
[ 'migrateCategorylinks' ],
[ 'normalizeCollation' ],
[ 'modifyPrimaryKey', 'categorylinks', [ 'cl_from', 'cl_target_id' ], 'patch-categorylinks-pk.sql' ],
[ 'addIndex', 'recentchanges', 'rc_source_name_timestamp',
'patch-recentchanges-rc_source_name_timestamp.sql' ],
[ 'addIndex', 'recentchanges', 'rc_name_source_patrolled_timestamp',
'patch-recentchanges-rc_name_source_patrolled_timestamp.sql' ],
[ 'dropField', 'recentchanges', 'rc_new', 'patch-recentchanges-drop-rc_new.sql' ],
[ 'dropField', 'categorylinks', 'cl_to', 'patch-categorylinks-drop-cl_to-cl_collation.sql' ],
];
}
/** @inheritDoc */
protected function getInitialUpdateKeys() {
return [
'filearchive-fa_major_mime-patch-fa_major_mime-chemical.sql',
'image-img_major_mime-patch-img_major_mime-chemical.sql',
'oldimage-oi_major_mime-patch-oi_major_mime-chemical.sql',
'user_groups-ug_group-patch-ug_group-length-increase-255.sql',
'user_former_groups-ufg_group-patch-ufg_group-length-increase-255.sql',
'user_properties-up_property-patch-up_property.sql',
];
}
/** @inheritDoc */
public function getSchemaVars() {
global $wgDBTableOptions;
$vars = [];
$vars['wgDBTableOptions'] = str_replace( 'TYPE', 'ENGINE', $wgDBTableOptions );
$vars['wgDBTableOptions'] = str_replace(
'CHARSET=mysql4',
'CHARSET=binary',
$vars['wgDBTableOptions']
);
return $vars;
}
/**
* Drops the default value from a field
*
* @since 1.36
* @param string $table
* @param string $field
*/
protected function dropDefault( $table, $field ) {
$updateKey = "$table-$field-dropDefault";
if ( $this->updateRowExists( $updateKey ) ) {
return;
}
$info = $this->db->fieldInfo( $table, $field );
if ( $info && $info->defaultValue() !== false ) {
$this->output( "Removing '$table.$field' default value.\n" );
$table = $this->db->tableName( $table );
$ret = $this->db->query( "ALTER TABLE $table ALTER COLUMN $field DROP DEFAULT", __METHOD__ );
if ( $ret ) {
$this->insertUpdateRow( $updateKey );
}
}
}
/**
* Set a default value for a field
*
* @since 1.36
* @param string $table
* @param string $field
* @param mixed $default
*/
protected function setDefault( $table, $field, $default ) {
$info = $this->db->fieldInfo( $table, $field );
if ( $info && $info->defaultValue() !== $default ) {
$this->output( "Changing '$table.$field' default value.\n" );
$table = $this->db->tableName( $table );
$this->db->query(
"ALTER TABLE $table ALTER COLUMN $field SET DEFAULT "
. $this->db->addQuotes( $default ), __METHOD__
);
}
}
/**
* Change the table options of a table
*
* @since 1.43
* @param string $table
* @param string $tableOption Raw table option that should already have been escaped !!!!
* @param string $updateName
*/
protected function changeTableOption( string $table, string $tableOption, string $updateName ) {
$updateKey = "$table-tableoption-$updateName";
if ( $this->updateRowExists( $updateKey ) ) {
return;
}
$this->output( "Changing table options of '$table'.\n" );
$table = $this->db->tableName( $table );
$ret = $this->db->query(
"ALTER TABLE $table $tableOption",
__METHOD__
);
if ( $ret ) {
$this->insertUpdateRow( $updateKey );
}
}
protected function migrateSearchindex() {
$updateKey = 'searchindex-pk-titlelength';
if ( !$this->tableExists( 'searchindex' ) ) {
return;
}
$primaryIndexExists = $this->db->indexExists( 'searchindex', 'PRIMARY' );
if ( $this->updateRowExists( $updateKey ) || $primaryIndexExists ) {
$this->output( "...searchindex table has already been migrated.\n" );
if ( !$this->updateRowExists( $updateKey ) ) {
$this->insertUpdateRow( $updateKey );
}
return;
}
$apply = $this->applyPatch( 'patch-searchindex-pk-titlelength.sql', false, '...migrating searchindex table' );
if ( $apply ) {
$this->insertUpdateRow( $updateKey );
}
}
}
/** @deprecated class alias since 1.42 */
class_alias( MysqlUpdater::class, 'MysqlUpdater' );

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Aug 15 2026, 21:18 (12 w, 2 d ago)
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MysqlUpdater.php (8 KB)

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