/**
* Add foreignKey
*
* @param string $tableName The table name to create foreign key
* @param string $columnName The column name to create foreign key
* @param string $tableRef The table name of constrainte
* @param string $columnRef The column name of constrainte
* @param array $options The options definition of the foreign key
*
* @return boolean
*/
public function addForeignKey($tableName, $columnName, $tableRef, $columnRef, $options = array())
{
return $this->_adapter->addForeignKey($tableName, $columnName, $tableRef, $columnRef, $options);
}
