返回date 的星期索引(0 = Monday, 1 = Tuesday, ... 6 = Sunday): mysql> SELECT WEEKDAY(’1998-02-03 22:23:00’); -> 1 mysql> SELECT WEEKDAY(’1997-11-05’); -> 2 DAYOFMONTH(date) 返回date 是一月中的第几天,范围为 1 到 31: mysql> SELECT DAYOFMONTH(’1998-02-03’); ->...
importorg.apache.spark.sql.functions._valdate="2022-08-29"// 给定的日期valdateColumn=to_date(lit(date))// 将日期转换为Spark SQL的Date类型列valyearColumn=date_format(dateColumn,"yyyy")// 获取年份valweekColumn=date_format(dateColumn,"w")// 获取周数 1. 2. 3. 4. 5. 6. 解释一下上面...
LAST_DAY(TIMESTAMP t) -- 获取指定月份的最后一天 NEXT_DAY(TIMESTAMP date, STRING weekday) --获取指定日期的下个周几 "Sunday"/"Sun", "Monday"/"Mon", "Tuesday"/"Tue", "Wednesday"/"Wed", "Thursday"/"Thu", "Friday"/"Fri", "Saturday"/"Sat" 示例: select now() sysdate, last_day(...
next_day(date, day_of_week) 1. 返回值 参数说明 date:要查找下一个星期几的日期。 day_of_week:要查找的星期几的名称,可以是英文或缩写,如'Monday'、'Tue'、'Wednesday'等。 用法说明 用法1 select next_day(current_date(),'Monday'); select next_day(current_date(),'Friday'); select next_day...
select day("2020-12-20"); 2)dayofweek(1 = Sunday, 2 = Monday, ..., 7 = Saturday)、dayofyear -- 7 select dayofweek("2020-12-12"); 3)weekofyear(date) /** * Extracts the week number as an integer from a given date/timestamp/string. ...
版本1 http://bernardstudios.com/select-day-of-week-name-using-t-sql/ SELECT CASE(DATEPART(dw, GETDATE()) + @@DATEFIRST) % 7 WHEN1THEN'Sunday' WHEN2THEN'Monday' WHEN3THEN'Tuesday' WHEN4THEN'Wednesday' WHEN5THEN'Thursday' WHEN6THEN'Friday' ...
NEXT_DAY函数的基本语法如下: NEXT_DAY(date, day_of_week) 其中,date是指定的日期,day_of_week是要查找的星期几。day_of_week可以是以下值之一: •‘SUNDAY’:星期天 •‘MONDAY’:星期一 •‘TUESDAY’:星期二 •‘WEDNESDAY’:星期三 •‘THURSDAY’:星期四 •‘FRIDAY’:星期五 •‘SATURDAY...
...*/ public static final int RANGE_WEEK_SUNDAY = 1 /** * 周范围,从星期一开始 。 ...*/ public static final int RANGE_MONTH_SUNDAY = 5 /** * 月范围,从星期一开始 。 ...*/ public static final int RANGE_MONTH_MONDAY = 6 /** * 不应在标准编成构造获取实列, 而应该直...
intdayofmonth(datetime|timestamp|date|string<date>) 命令说明 返回日期中日的值。 参数说明 date:必填。DATETIME、TIMESTAMP、DATE或STRING类型日期值,格式为yyyy-mm-dd、yyyy-mm-dd hh:mi:ss或yyyy-mm-dd hh:mi:ss.ff3。取值为STRING类型格式时,至少要包含yyyy-mm-dd且不含多余的字符串。
ISO_DAY_OF_WEEK ISODOW ISO day of week (1-7). Monday is 1.Example:ISO_DAY_OF_WEEKISO week fieldISO_WEEK ISO week of year (1-53). ISO definition is used when first week of year should have at least four days and week is started with Monday.Example:...