public function widenColumn($type, $property, $dataType)
{
if (!isset($this->typeno_sqltype[$dataType])) {
return FALSE;
}
$table = $this->esc($type);
$column = $this->esc($property);
$newType = $this->typeno_sqltype[$dataType];
$this->adapter->exec("ALTER TABLE {$table} CHANGE {$column} {$column} {$newType} ");
return TRUE;
}