Merge "Add LinksUpdate::getRevision()"

diff --combined includes/deferred/LinksUpdate.php
index bd4238c,928f4b6..07b5614
--- 1/includes/deferred/LinksUpdate.php
--- 2/includes/deferred/LinksUpdate.php
+++ b/includes/deferred/LinksUpdate.php
@@@ -84,6 -84,8 +84,6 @@@ class LinksUpdate extends SqlDataUpdat
         */
        private $user;
  
 -      const BATCH_SIZE = 500; // try to keep typical updates in a single transaction
 -
        /**
         * Constructor
         *
@@@ -336,8 -338,6 +336,8 @@@
         * @param array $insertions Rows to insert
         */
        private function incrTableUpdate( $table, $prefix, $deletions, $insertions ) {
 +              $bSize = RequestContext::getMain()->getConfig()->get( 'UpdateRowsPerQuery' );
 +
                if ( $table === 'page_props' ) {
                        $fromField = 'pp_page';
                } else {
@@@ -354,7 -354,7 +354,7 @@@
                        foreach ( $deletions as $ns => $dbKeys ) {
                                foreach ( $dbKeys as $dbKey => $unused ) {
                                        $curDeletionBatch[$ns][$dbKey] = 1;
 -                                      if ( ++$curBatchSize >= self::BATCH_SIZE ) {
 +                                      if ( ++$curBatchSize >= $bSize ) {
                                                $deletionBatches[] = $curDeletionBatch;
                                                $curDeletionBatch = [];
                                                $curBatchSize = 0;
@@@ -380,7 -380,7 +380,7 @@@
                                $toField = $prefix . '_to';
                        }
  
 -                      $deletionBatches = array_chunk( array_keys( $deletions ), self::BATCH_SIZE );
 +                      $deletionBatches = array_chunk( array_keys( $deletions ), $bSize );
                        foreach ( $deletionBatches as $deletionBatch ) {
                                $deleteWheres[] = [ $fromField => $this->mId, $toField => $deletionBatch ];
                        }
@@@ -392,7 -392,7 +392,7 @@@
                        wfGetLBFactory()->waitForReplication( [ 'wiki' => $this->mDb->getWikiID() ] );
                }
  
 -              $insertBatches = array_chunk( $insertions, self::BATCH_SIZE );
 +              $insertBatches = array_chunk( $insertions, $bSize );
                foreach ( $insertBatches as $insertBatch ) {
                        $this->mDb->insert( $table, $insertBatch, __METHOD__, 'IGNORE' );
                        $this->mDb->commit( __METHOD__, 'flush' );
@@@ -933,6 -933,14 +933,14 @@@
                $this->mRevision = $revision;
        }
  
+       /**
+        * @since 1.28
+        * @return null|Revision
+        */
+       public function getRevision() {
+               return $this->mRevision;
+       }
+ 
        /**
         * Set the User who triggered this LinksUpdate
         *