microseconds_sub
description
Syntax
DATETIMEV2 microseconds_sub(DATETIMEV2 basetime, INT delta)
- basetime: DATETIMEV2 类型起始时间
- delta: 从 basetime 起需要扣减的微秒数
- 返回类型为 DATETIMEV2
example
mysql> select now(3), microseconds_sub(now(3), 100000);
+-------------------------+----------------------------------+
| now(3) | microseconds_sub(now(3), 100000) |
+-------------------------+----------------------------------+
| 2023-02-25 02:03:05.174 | 2023-02-25 02:03:05.074 |
+-------------------------+----------------------------------+now(3) 返回精度位数 3 的 DATETIMEV2 类型当前时间，microseconds_add(now(3), 100000) 返回当前时间减去 100000 微秒后的 DATETIMEV2 类型时间
keywords
microseconds_sub