SHOW ERRORS

SHOW ERRORS 语句用于显示已执行语句中的错误。一旦先前的语句成功执行，就会清除错误缓冲区，这时 SHOW ERRORS 会返回一个空集。

当前的 sql_mode 很大程度决定了哪些语句会产生错误与警告。

语法图

ShowErrorsStmt

SHOW ERRORS - 图1

ShowLikeOrWhere

SHOW ERRORS - 图2

1. ShowErrorsStmt ::=
2. "SHOW" "ERRORS" ShowLikeOrWhere?

4. ShowLikeOrWhere ::=
5. "LIKE" SimpleExpr
6. |   "WHERE" Expression

示例

1. select invalid;

1. ERROR 1054 (42S22): Unknown column 'invalid' in 'field list'

1. create invalid;

1. ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 14 near "invalid"

1. SHOW ERRORS;

1. +-------+------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
2. | Level | Code | Message                                                                                                                                                   |
3. +-------+------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
4. | Error | 1054 | Unknown column 'invalid' in 'field list'                                                                                                                  |
5. | Error | 1064 | You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 14 near "invalid"  |
6. +-------+------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
7. 2 rows in set (0.00 sec)

1. CREATE invalid2;

1. ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your TiDB version for the right syntax to use line 1 column 15 near "invalid2"

1. SELECT 1;

1. +------+
2. | 1    |
3. +------+
4. |    1 |
5. +------+
6. 1 row in set (0.00 sec)

1. SHOW ERRORS;

1. Empty set (0.00 sec)

MySQL 兼容性

SHOW ERRORS 语句与 MySQL 完全兼容。如发现任何兼容性差异，请尝试 TiDB 支持资源。

另请参阅