Mysql ERROR 1690 (22003): BIGINT UNSIGNED value is out of range in..的解决方法

2022/2/24 19:26:50

本文主要是介绍Mysql ERROR 1690 (22003): BIGINT UNSIGNED value is out of range in..的解决方法,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

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因为2个时间在数据库里设计的都是无符号,但是使用结束时间-开始时间=负数,所以报错

今天在做一个功能的时候,用到两个时间戳相减来做查询条件,由于其两个字段都是unsigned的,并两个的大小是不一样。所以直接相减查询的时候,

就出现ERROR 1690 (22003): BIGINT UNSIGNED value is out of range in..的错误,因为结果可能会出现负数。。。。

过后查资料,发现可以通过下面的方法来解决:

mysql> select lastvisit, lastactivity from pre_common_member_status limit 1;
+------------+--------------+
| lastvisit  | lastactivity |
+------------+--------------+
| 1199200260 |   1198336989 |
+------------+--------------+
1 row in set (0.01 sec)
 
mysql> select lastvisit-lastactivity from pre_common_member_status limit 1;
+------------------------+
| lastvisit-lastactivity |
+------------------------+
|                 863271 |
+------------------------+
1 row in set (0.05 sec)
 
mysql> select abs(lastvisit-lastactivity) from pre_common_member_status limit 1;
 
+-----------------------------+
| abs(lastvisit-lastactivity) |
+-----------------------------+
|                      863271 |
+-----------------------------+
1 row in set (0.03 sec)
 
mysql> select lastactivity-lastvisit from pre_common_member_status limit 1;
ERROR 1690 (22003): BIGINT UNSIGNED value is out of range in '(`discuz`.`pre_c
ommon_member_status`.`lastactivity` - `discuz`.`pre_common_member_status`.`las
tvisit`)'
mysql> select cast(lastactivity as signed)-cast(lastvisit as signed) from pre_co
mmon_member_status limit 1;
+--------------------------------------------------------+
| cast(lastactivity as signed)-cast(lastvisit as signed) |
+--------------------------------------------------------+
|                                                -863271 |
+--------------------------------------------------------+
1 row in set (0.02 sec)
 
mysql> select abs(cast(lastactivity as signed)-cast(lastvisit as signed)) from p
re_common_member_status limit 1;
+-------------------------------------------------------------+
| abs(cast(lastactivity as signed)-cast(lastvisit as signed)) |
+-------------------------------------------------------------+
|                                                      863271 |
+-------------------------------------------------------------+
1 row in set (0.00 sec)
 
mysql>




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