/**
* Returns an array of column objects for the table associated
* with this class.
*
* @return array
*/
public function columns()
{
if (empty($this->_columns)) {
$this->_columns = $this->connection->columns($this->tableName(), "{$this->_className} Columns");
foreach ($this->_columns as $col) {
$col->setPrimary($col->getName() == $this->_primaryKey);
}
}
return $this->_columns;
}
