数智融合计算服务 DATAARTSFABRIC-时间/日期函数:adddate(date, interval | int)
时间:2025-10-28 16:50:34
adddate(date, interval | int)
描述:返回给定日期时间加上指定单位的时间间隔的结果。默认单位(即第二个参数为整型时)为天数。
返回值类型:timestamp
示例:
当入参为text类型时:
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select adddate('2020-11-13', 10); adddate ------------ 2020-11-23 (1 row) select adddate('2020-11-13', interval '1' month); adddate ------------ 2020-12-13 (1 row) select adddate('2020-11-13 12:15:16', interval '1' month); adddate --------------------- 2020-12-13 12:15:16 (1 row) select adddate('2020-11-13', interval '1' minute); adddate --------------------- 2020-11-13 00:01:00 (1 row) |
当入参为date类型时:
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select adddate(current_date, 10); adddate ------------ 2021-09-24 (1 row) select adddate(date '2020-11-13', interval '1' month); adddate --------------------- 2020-12-13 00:00:00 (1 row) |
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