- /**
- * Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column.
- *
- * As a convention, on RDBMS brands that support sequences
- * (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence
- * from the arguments and returns the last id generated by that sequence.
- * On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method
- * returns the last value generated for such a column, and the table name
- * argument is disregarded.
- *
- * @param string $tableName OPTIONAL Name of table.
- * @param string $primaryKey OPTIONAL Name of primary key column.
- * @return string
- */
- abstract public function lastInsertId($tableName = null, $primaryKey = null);