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

ShowStmt:

ShowStmt

ShowTargetFilterable:

ShowTargetFilterable

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。如有任何兼容性差异,请在 GitHub 上提交 issue

另请参阅