date_sub
date_sub介绍
date_sub(start_date, num_days) - Returns the date that is num_days before start_date.
Examples:
> SELECT date_sub('2016-07-30', 1);
2016-07-29
Since: 1.5.0
date_sub(start_date, num_days) - Returns the date that is num_days before start_date.
Examples:
> SELECT date_sub('2016-07-30', 1);
2016-07-29
Since: 1.5.0