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:
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。