REPLACE语法用于向表中插入行或替换表中的行。本文介绍了相关语法及限制。

语法

REPLACE [LOW_PRIORITY | DELAYED]
[INTO] [schema_name.]tbl_name
[(col_name [, col_name] ...)]
{VALUES | VALUE} (value_list) [, (value_list)]

REPLACE [LOW_PRIORITY | DELAYED]
[INTO] [schema_name.]tbl_name
SET assignment_list

REPLACE [LOW_PRIORITY | DELAYED]
[INTO] [schema_name.]tbl_name
[(col_name [, col_name] ...)]
SELECT ...

value_list:
value [, value] ...

value:
{expr | DEFAULT}

assignment_list:
assignment [, assignment] ...

assignment:
col_name = value   

语法限制

不支持使用以下语法。

  • PARTITION语法,例如:
    REPLACE INTO tb PARTITION (p0) (id) VALUES(7);
  • 包含列名的语法,例如:
    REPLACE INTO tb(id1, id2) VALUES(1, id1 + 1);

相关文献

MySQL REPLACE语法。