Merge "Use {{int:}} on MediaWiki:Blockedtext and MediaWiki:Autoblockedtext"

[lhc/web/wiklou.git] / maintenance / initEditCount.php

diff --git a/maintenance/initEditCount.php b/maintenance/initEditCount.php
index 96aea03..1b9dac0 100644 (file)
--- a/maintenance/initEditCount.php
+++ b/maintenance/initEditCount.php
@@ -24,6 +24,8 @@
 
 require_once __DIR__ . '/Maintenance.php';
 
+use MediaWiki\MediaWikiServices;
+
 class InitEditCount extends Maintenance {
        public function __construct() {
                parent::__construct();
@@ -38,9 +40,9 @@ in the load balancer, usually indicating a replication environment.' );
        }
 
        public function execute() {
+               global $wgActorTableSchemaMigrationStage;
+
                $dbw = $this->getDB( DB_MASTER );
-               $user = $dbw->tableName( 'user' );
-               $revision = $dbw->tableName( 'revision' );
 
                // Autodetect mode...
                if ( $this->hasOption( 'background' ) ) {
@@ -48,7 +50,19 @@ in the load balancer, usually indicating a replication environment.' );
                } elseif ( $this->hasOption( 'quick' ) ) {
                        $backgroundMode = false;
                } else {
-                       $backgroundMode = wfGetLB()->getServerCount() > 1;
+                       $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
+                       $backgroundMode = $lb->getServerCount() > 1;
+               }
+
+               $actorQuery = ActorMigration::newMigration()->getJoin( 'rev_user' );
+
+               $needSpecialQuery = ( $wgActorTableSchemaMigrationStage !== MIGRATION_OLD &&
+                       $wgActorTableSchemaMigrationStage !== MIGRATION_NEW );
+               if ( $needSpecialQuery ) {
+                       foreach ( $actorQuery['joins'] as &$j ) {
+                               $j[0] = 'JOIN'; // replace LEFT JOIN
+                       }
+                       unset( $j );
                }
 
                if ( $backgroundMode ) {
@@ -62,15 +76,55 @@ in the load balancer, usually indicating a replication environment.' );
                        $migrated = 0;
                        for ( $min = 0; $min <= $lastUser; $min += $chunkSize ) {
                                $max = $min + $chunkSize;
-                               $result = $dbr->query(
-                                       "SELECT
-                                               user_id,
-                                               COUNT(rev_user) AS user_editcount
-                                       FROM $user
-                                       LEFT OUTER JOIN $revision ON user_id=rev_user
-                                       WHERE user_id > $min AND user_id <= $max
-                                       GROUP BY user_id",
-                                       __METHOD__ );
+
+                               if ( $needSpecialQuery ) {
+                                       // Use separate subqueries to collect counts with the old
+                                       // and new schemas, to avoid having to do whole-table scans.
+                                       $result = $dbr->select(
+                                               [
+                                                       'user',
+                                                       'rev1' => '('
+                                                               . $dbr->selectSQLText(
+                                                                       [ 'revision', 'revision_actor_temp' ],
+                                                                       [ 'rev_user', 'ct' => 'COUNT(*)' ],
+                                                                       [
+                                                                               "rev_user > $min AND rev_user <= $max",
+                                                                               'revactor_rev' => null,
+                                                                       ],
+                                                                       __METHOD__,
+                                                                       [ 'GROUP BY' => 'rev_user' ],
+                                                                       [ 'revision_actor_temp' => [ 'LEFT JOIN', 'revactor_rev = rev_id' ] ]
+                                                               ) . ')',
+                                                       'rev2' => '('
+                                                               . $dbr->selectSQLText(
+                                                                       [ 'revision' ] + $actorQuery['tables'],
+                                                                       [ 'actor_user', 'ct' => 'COUNT(*)' ],
+                                                                       "actor_user > $min AND actor_user <= $max",
+                                                                       __METHOD__,
+                                                                       [ 'GROUP BY' => 'actor_user' ],
+                                                                       $actorQuery['joins']
+                                                               ) . ')',
+                                               ],
+                                               [ 'user_id', 'user_editcount' => 'COALESCE(rev1.ct,0) + COALESCE(rev2.ct,0)' ],
+                                               "user_id > $min AND user_id <= $max",
+                                               __METHOD__,
+                                               [],
+                                               [
+                                                       'rev1' => [ 'LEFT JOIN', 'user_id = rev_user' ],
+                                                       'rev2' => [ 'LEFT JOIN', 'user_id = actor_user' ],
+                                               ]
+                                       );
+                               } else {
+                                       $revUser = $actorQuery['fields']['rev_user'];
+                                       $result = $dbr->select(
+                                               [ 'user', 'rev' => [ 'revision' ] + $actorQuery['tables'] ],
+                                               [ 'user_id', 'user_editcount' => "COUNT($revUser)" ],
+                                               "user_id > $min AND user_id <= $max",
+                                               __METHOD__,
+                                               [ 'GROUP BY' => 'user_id' ],
+                                               [ 'rev' => [ 'LEFT JOIN', "user_id = $revUser" ] ] + $actorQuery['joins']
+                                       );
+                               }
 
                                foreach ( $result as $row ) {
                                        $dbw->update( 'user',
@@ -93,13 +147,48 @@ in the load balancer, usually indicating a replication environment.' );
                        }
                } else {
                        $this->output( "Using single-query mode...\n" );
-                       $sql = "UPDATE $user SET user_editcount=(SELECT COUNT(*) FROM $revision WHERE rev_user=user_id)";
-                       $dbw->query( $sql );
+
+                       $user = $dbw->tableName( 'user' );
+                       if ( $needSpecialQuery ) {
+                               $subquery1 = $dbw->selectSQLText(
+                                       [ 'revision', 'revision_actor_temp' ],
+                                       [ 'COUNT(*)' ],
+                                       [
+                                               'user_id = rev_user',
+                                               'revactor_rev' => null,
+                                       ],
+                                       __METHOD__,
+                                       [],
+                                       [ 'revision_actor_temp' => [ 'LEFT JOIN', 'revactor_rev = rev_id' ] ]
+                               );
+                               $subquery2 = $dbw->selectSQLText(
+                                       [ 'revision' ] + $actorQuery['tables'],
+                                       [ 'COUNT(*)' ],
+                                       'user_id = actor_user',
+                                       __METHOD__,
+                                       [],
+                                       $actorQuery['joins']
+                               );
+                               $dbw->query(
+                                       "UPDATE $user SET user_editcount=($subquery1) + ($subquery2)",
+                                       __METHOD__
+                               );
+                       } else {
+                               $subquery = $dbw->selectSQLText(
+                                       [ 'revision' ] + $actorQuery['tables'],
+                                       [ 'COUNT(*)' ],
+                                       [ 'user_id = ' . $actorQuery['fields']['rev_user'] ],
+                                       __METHOD__,
+                                       [],
+                                       $actorQuery['joins']
+                               );
+                               $dbw->query( "UPDATE $user SET user_editcount=($subquery)", __METHOD__ );
+                       }
                }
 
                $this->output( "Done!\n" );
        }
 }
 
-$maintClass = "InitEditCount";
+$maintClass = InitEditCount::class;
 require_once RUN_MAINTENANCE_IF_MAIN;