src/DrushStack.php
public function updateDb()
    {
        $this->printTaskInfo('Do database updates');
        $this->drush('updb');
        $drushVersion = $this->getVersion();
        if (-1 === version_compare($drushVersion, '6.0')) {
            $this->printTaskInfo('Will clear cache after db updates for drush '
                . $drushVersion);
            $this->clearCache();
        } else {
            $this->printTaskInfo('Will not clear cache after db updates, since drush '
                . $drushVersion . ' should do it automatically');
        }

        return $this;
    }
public function updateDb()
    {
        $this->printTaskInfo('Do database updates');
        $this->drush('updb');
        $drushVersion = $this->getVersion();
        if (-1 === version_compare($drushVersion, '6.0')) {
            $this->printTaskInfo('Will clear cache after db updates for drush '
                . $drushVersion);
            $this->clearCache();
        } else {
            $this->printTaskInfo('Will not clear cache after db updates, since drush '
                . $drushVersion . ' should do it automatically');
        }

        return $this;
    }
public function updateDb ( ) { $ this -> printTaskInfo ( 'Do database updates' ) ; $ this -> drush ( 'updb' ) ; $ drushVersion = $ this -> getVersion ( ) ; if ( - 1 === version_compare ( $ drushVersion , '6.0' ) ) { $ this -> printTaskInfo ( 'Will clear cache after db updates for drush ' . $ drushVersion ) ; $ this -> clearCache ( ) ; } else { $ this -> printTaskInfo ( 'Will not clear cache after db updates, since drush ' . $ drushVersion . ' should do it automatically' ) ; } return $ this ; }
Runs pending database updates.

@return $this
Runs pending database updates .