Merge "Introduce top level service locator."
[lhc/web/wiklou.git] / maintenance / populateRevisionSha1.php
index b2abb61..095c266 100644 (file)
@@ -22,7 +22,7 @@
  * @ingroup Maintenance
  */
 
-require_once( __DIR__ . '/Maintenance.php' );
+require_once __DIR__ . '/Maintenance.php';
 
 /**
  * Maintenance script that fills the rev_sha1 and ar_sha1 columns of revision
@@ -33,7 +33,7 @@ require_once( __DIR__ . '/Maintenance.php' );
 class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
        public function __construct() {
                parent::__construct();
-               $this->mDescription = "Populates the rev_sha1 and ar_sha1 fields";
+               $this->addDescription( 'Populates the rev_sha1 and ar_sha1 fields' );
                $this->setBatchSize( 200 );
        }
 
@@ -50,6 +50,7 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                        $this->error( "archive table does not exist", true );
                } elseif ( !$db->fieldExists( 'revision', 'rev_sha1', __METHOD__ ) ) {
                        $this->output( "rev_sha1 column does not exist\n\n", true );
+
                        return false;
                }
 
@@ -61,15 +62,17 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                $this->output( "Populating ar_sha1 column legacy rows\n" );
                $ac += $this->doSha1LegacyUpdates();
 
-               $this->output( "rev_sha1 and ar_sha1 population complete [$rc revision rows, $ac archive rows].\n" );
+               $this->output( "rev_sha1 and ar_sha1 population complete "
+                       . "[$rc revision rows, $ac archive rows].\n" );
+
                return true;
        }
 
        /**
-        * @param $table string
-        * @param $idCol
-        * @param $prefix string
-        * @return Integer Rows changed
+        * @param string $table
+        * @param string $idCol
+        * @param string $prefix
+        * @return int Rows changed
         */
        protected function doSha1Updates( $table, $idCol, $prefix ) {
                $db = $this->getDB( DB_MASTER );
@@ -77,6 +80,7 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                $end = $db->selectField( $table, "MAX($idCol)", false, __METHOD__ );
                if ( !$start || !$end ) {
                        $this->output( "...$table table seems to be empty.\n" );
+
                        return 0;
                }
 
@@ -91,18 +95,19 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                                AND $idCol IS NOT NULL AND {$prefix}_sha1 = ''";
                        $res = $db->select( $table, '*', $cond, __METHOD__ );
 
-                       $db->begin( __METHOD__ );
+                       $this->beginTransaction( $db, __METHOD__ );
                        foreach ( $res as $row ) {
                                if ( $this->upgradeRow( $row, $table, $idCol, $prefix ) ) {
                                        $count++;
                                }
                        }
-                       $db->commit( __METHOD__ );
+                       $this->commitTransaction( $db, __METHOD__ );
 
                        $blockStart += $this->mBatchSize;
                        $blockEnd += $this->mBatchSize;
                        wfWaitForSlaves();
                }
+
                return $count;
        }
 
@@ -113,31 +118,32 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                $count = 0;
                $db = $this->getDB( DB_MASTER );
                $res = $db->select( 'archive', '*',
-                       array( 'ar_rev_id IS NULL', 'ar_sha1' => '' ), __METHOD__ );
+                       [ 'ar_rev_id IS NULL', 'ar_sha1' => '' ], __METHOD__ );
 
                $updateSize = 0;
-               $db->begin( __METHOD__ );
+               $this->beginTransaction( $db, __METHOD__ );
                foreach ( $res as $row ) {
                        if ( $this->upgradeLegacyArchiveRow( $row ) ) {
                                ++$count;
                        }
                        if ( ++$updateSize >= 100 ) {
                                $updateSize = 0;
-                               $db->commit( __METHOD__ );
+                               $this->commitTransaction( $db, __METHOD__ );
                                $this->output( "Commited row with ar_timestamp={$row->ar_timestamp}\n" );
                                wfWaitForSlaves();
-                               $db->begin( __METHOD__ );
+                               $this->beginTransaction( $db, __METHOD__ );
                        }
                }
-               $db->commit( __METHOD__ );
+               $this->commitTransaction( $db, __METHOD__ );
+
                return $count;
        }
 
        /**
-        * @param $row
-        * @param $table
-        * @param $idCol
-        * @param $prefix
+        * @param stdClass $row
+        * @param string $table
+        * @param string $idCol
+        * @param string $prefix
         * @return bool
         */
        protected function upgradeRow( $row, $table, $idCol, $prefix ) {
@@ -147,54 +153,60 @@ class PopulateRevisionSha1 extends LoggedUpdateMaintenance {
                                ? Revision::newFromArchiveRow( $row )
                                : new Revision( $row );
                        $text = $rev->getSerializedData();
-               } catch ( MWException $e ) {
+               } catch ( Exception $e ) {
                        $this->output( "Data of revision with {$idCol}={$row->$idCol} unavailable!\n" );
+
                        return false; // bug 22624?
                }
                if ( !is_string( $text ) ) {
                        # This should not happen, but sometimes does (bug 20757)
                        $this->output( "Data of revision with {$idCol}={$row->$idCol} unavailable!\n" );
+
                        return false;
                } else {
                        $db->update( $table,
-                               array( "{$prefix}_sha1" => Revision::base36Sha1( $text ) ),
-                               array( $idCol => $row->$idCol ),
+                               [ "{$prefix}_sha1" => Revision::base36Sha1( $text ) ],
+                               [ $idCol => $row->$idCol ],
                                __METHOD__
                        );
+
                        return true;
                }
        }
 
        /**
-        * @param $row
+        * @param stdClass $row
         * @return bool
         */
        protected function upgradeLegacyArchiveRow( $row ) {
                $db = $this->getDB( DB_MASTER );
                try {
                        $rev = Revision::newFromArchiveRow( $row );
-               } catch ( MWException $e ) {
+               } catch ( Exception $e ) {
                        $this->output( "Text of revision with timestamp {$row->ar_timestamp} unavailable!\n" );
+
                        return false; // bug 22624?
                }
                $text = $rev->getSerializedData();
                if ( !is_string( $text ) ) {
                        # This should not happen, but sometimes does (bug 20757)
                        $this->output( "Data of revision with timestamp {$row->ar_timestamp} unavailable!\n" );
+
                        return false;
                } else {
                        # Archive table as no PK, but (NS,title,time) should be near unique.
                        # Any duplicates on those should also have duplicated text anyway.
                        $db->update( 'archive',
-                               array( 'ar_sha1' => Revision::base36Sha1( $text ) ),
-                               array(
+                               [ 'ar_sha1' => Revision::base36Sha1( $text ) ],
+                               [
                                        'ar_namespace' => $row->ar_namespace,
                                        'ar_title' => $row->ar_title,
                                        'ar_timestamp' => $row->ar_timestamp,
                                        'ar_len' => $row->ar_len // extra sanity
-                               ),
+                               ],
                                __METHOD__
                        );
+
                        return true;
                }
        }