ADD_MONTHS在PostgreSQL

0

的问题

我有个问题改变 ADD_MONTHS Oracle PostgreSQL。

我Oracle查询这样的:

ADD_MONTHS (to_date(to_char(start_billdate,'DD-MM-YYYY'),'DD-MM-YYYY'), 
           (processed_num*periodvalue)
           )

因此如何实现这一查询PostgreSQL?

2

最好的答案

2

一个选择可能是繁殖的月数(processed_num * periodvalue)的 时间间隔 1个月,并添加到 start_billdate:

start_billdate + (interval '1 month' * processed_num * periodvalue);
2021-11-23 07:05:40
1

你可以构建一个时间间隔内容列:

start_billdate + make_interval(months => processed_num*periodvalue)
2021-11-23 07:04:52

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