Phalcon\Db\Dialect\Oracle::describeReferences PHP Метод

    public function describeReferences($table, $schema = null)
    {
        $table = $this->escape($table);
        $sql = 'SELECT AC.TABLE_NAME, CC.COLUMN_NAME, AC.CONSTRAINT_NAME, AC.R_OWNER, RCC.TABLE_NAME R_TABLE_NAME, ' . 'RCC.COLUMN_NAME R_COLUMN_NAME FROM ALL_CONSTRAINTS AC JOIN ALL_CONS_COLUMNS CC ' . 'ON AC.CONSTRAINT_NAME = CC.CONSTRAINT_NAME JOIN ALL_CONS_COLUMNS RCC ON AC.R_OWNER = RCC.OWNER ' . "AND AC.R_CONSTRAINT_NAME = RCC.CONSTRAINT_NAME WHERE AC.CONSTRAINT_TYPE='R' ";
        if (!empty($schema)) {
            $schema = $this->escapeSchema($schema);
            $sql .= 'AND AC.OWNER = ' . Text::upper($schema) . ' AND AC.TABLE_NAME = ' . Text::upper($table);
        } else {
            $sql .= 'AND AC.TABLE_NAME = ' . Text::upper($table);
        }
        return $sql;
    }