Question

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:

示例

select invalid;

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

create invalid;

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"

SHOW ERRORS;

+-------+------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
| Level | Code | Message                                                                                                                                                   |
+-------+------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
| Error | 1054 | Unknown column 'invalid' in 'field list'                                                                                                                  |
| 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"  |
+-------+------+-----------------------------------------------------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)

CREATE invalid2;

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"

SELECT 1;

+------+
| 1    |
+------+
|    1 |
+------+
1 row in set (0.00 sec)

SHOW ERRORS;

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，请在 GitHub 上提交 issue。

另请参阅

• SHOW WARNINGS