last_day_of_month(x) date 返回本月的最后一天 from_unixtime(unixtime) timestamp 返回unix 时间戳 例如:from_unixtime(1475996660) -->2016-10-09 15:04:20.000 to_unixtime(timestamp) double 返回timestamp 的 unix时间戳 from_unixtime(unixtime, string) timestamp 返回unixtime的时间戳,string指定...
SELECT manager_id, last_name, hire_date, salary,MIN(salary) OVER(PARTITION BY manager_id ORDER BY hire_date RANGE UNBOUNDED PRECEDING) AS p_cmin FROM employees ORDER BY manager_id, last_name, hire_date, salary; +---+---+---+---+---+ | MANAGER_ID | LAST_NAME | HIRE_DATE | ...
extract(month from current_date), month(current_date), extract(day from current_date), day(current_date); -- 2022 | 2022 | 3 | 3 | 17 | 17 1. 2. 3. 4. 5. 6. 7. 8. 日期是周几:day_of_week() select day_of_week(current_date) -- 4 1. 2....
我知道雅典娜使用Presto,但是文档中的函数last_day_of_month(x)在AWS雅典娜中似乎不起作用。 浏览8提问于2022-10-21得票数 1 1回答 使用presto根据匹配子字段从json对象中提取对象 、、、 我有数据是通过使用AWS胶水爬行,我正在使用雅典娜,即Presto查询。数据最初是JSON。 我感兴趣的数据如下所示: { ... [ ...
select last_day(current_date); --月末 select date_sub(current_date,dayofmonth(current_date)-1); --当月第1天: select add_months(date_sub(current_date,dayofmonth(current_date)-1),1); --下个月第1天 presto time官网介绍:https://prestodb.io/docs/current/functions/datetime.html ...
day()のエイリアスとのことで、day()と同じ結果になる。 SELECTday_of_month(date'2021-05-13')--> 13 day_of_week (戻り値: bigint) 引数の日付のISO曜日を返す。ISO 8601の規格では、月曜日から日曜日を1から7の数字で表すとのこと。
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DAY_OF_WEEK函数用于获取指定日期是星期几。 示例: SELECT DAY_OF_WEEK(date_column) FROM table_name; -- 获取日期是星期几 3. LAST_DAY函数 LAST_DAY函数用于获取指定日期所在月份的最后一天。 示例: SELECT LAST_DAY(date_column) FROM table_name; -- 获取日期所在月份的最后一天 六、总结 本文介绍了Pr...
如果你真的想查询整个月，你只需要比较年和月（根本不需要知道天），所以你应该比较年和月的“字符串...
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