private function getRemovedColumns($tableName, TableDiff $diff)
    {
        foreach (array_keys($diff->removedColumns) as $colName) {
            $this->addMessage($tableName, sprintf('removed column `%s`', $colName));
        }
    }
private function getRemovedColumns($tableName, TableDiff $diff)
    {
        foreach (array_keys($diff->removedColumns) as $colName) {
            $this->addMessage($tableName, sprintf('removed column `%s`', $colName));
        }
    }
private function getRemovedColumns ( $ tableName , TableDiff $ diff ) { foreach ( array_keys ( $ diff -> removedColumns ) as $ colName ) { $ this -> addMessage ( $ tableName , sprintf ( 'removed column `%s`' , $ colName ) ) ; } }
Record removed columns.

@param string    $tableName
@param TableDiff $diff
Record removed columns .