MapReduce服务 MRS-日期、时间函数及运算符:常用提取函数

时间:2025-02-12 15:03:44

常用提取函数

描述

YEAR

year()

QUARTER

quarter()

MONTH

month()

WEEK

week()

DAY

day()

DAY_OF_MONTH

day_of_month()

DAY_OF_WEEK

day_of_week()

DOW

day_of_week()

DAY_OF_YEAR

day_of_year()

DOY

day_of_year()

YEAR_OF_WEEK

year_of_week()

YOW

year_of_week()

HOUR

hour()

MINUTE

minute()

SECOND

second()

TIMEZONE_HOUR

timezone_hour()

TIMEZONE_MINUTE

timezone_minute()

例如:

select second(timestamp '2020-02-12 15:32:33.215');-- 33select timezone_hour(timestamp '2020-02-12 15:32:33.215');-- 8
  • MONTHNAME(date)

    描述:获取月份名称。

    SELECT monthname(timestamp '2019-09-09 12:12:12.000');-- SEPTEMBERSELECT monthname(date '2019-07-09');--JULY
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