SQLBuilder\Universal\Query\AlterTableQuery::modifyColumn PHP Метод

    public function modifyColumn(Column $column)
    {
        $this->specs[] = $spec = new AlterTableModifyColumn($column);
        return $spec;
    }

 public function modifyColumn($table, $arg)
 {
     $column = buildColumn($arg);
     $query = new AlterTableQuery($table);
     $query->modifyColumn($column);
     $sql = $query->toSql($this->driver, new ArgumentArray());
     $this->query($sql);
 }