DEALLOCATE

DeallocateStmt

DeallocateSym

Identifier

PREPARE mystmt FROM 'SELECT ? as num FROM DUAL';

Query OK, 0 rows affected (0.00 sec)

DEALLOCATE PREPARE mystmt;

DEALLOCATE 语句与 MySQL 完全兼容。如发现任何兼容性差异，请在 GitHub 上提交 。