Truncate a date to the given precision. The precision value can be any of the following values: "day""minute""second""year" "hour""month""week" Example ts = date_trunc("day", ts ) Parent topic:Date and Time Functions
date_trunc(unit, expr) 引數 unit:常STRING值。 expr:具有DATE有效時間戳格式的 、TIMESTAMP或STRING。 傳回 TIMESTAMP。 備註 的有效單位unit為 (不區分大小寫): 'YEAR'、 、'YYYY'、'YY'截斷到落在年份expr的第一個日期,時間部分將會是零 'QUARTER':截斷至落入的季度expr第一個日期,時間部分將會是零 ...
date到秒吗 hive hive中date和timestamp Hive 中,可以用String、Date和Timestamp表示日期时间,String和Date均 用yyyy-MM-dd的形式表示,Timestamp 用yyyy-MM-dd hh:mm:ss的形式表示。这三种数据类型在使用细节上,有一些需要注意的点: Join比较 在两表Join时,会涉及到字段的比较,此时应注意:...
PostgreSQLdate_trunc（）和timestamp timestamp 01.SELECT now()::timestamp + '1 year';02.SELECT now()::timestamp + '1 month';03.SELECT now()::timestamp + '1 day';04.SELECT now()::timestamp + '1 hour';05.SELECT now()::timestamp + '1 min';06.SELECT now()::timestamp + '1...
Truncate a date to the given precision. The precision value can be any of the following values: "day" "minute" "second" "year" "hour" "month" "week" Example ts = date_trunc("day", ts )Parent topic: Date and Time functions
date_trunc('h',now()) + interval'30 minute';//每小时selectdate_trunc('minute',now()) + interval'30 second';//每分钟selectdate_trunc('minute',now()) + interval'30 minute 30 second';//每30分钟selectdate_trunc('quarter',now()) + interval'15 d 15 h 15 minute 30 second';//本...
current_date date current_timestamp timestamp add_months(string start_date, int num_months) string last_day(string date) string next_day(string start_date, string day_of_week) string trunc(string date, string format) string months_between(date1, date2) double ...
CURRENT_TIMESTAMP CURRENT_TIMEZONE CURRENT_TIMEZONE_ID DATE_BUCKET DATEADD DATEDIFF DATEDIFF_BIG DATEFROMPARTS DATENAME DATEPART DATETIME2FROMPARTS DATETIMEFROMPARTS DATETIMEOFFSETFROMPARTS DATETRUNC DAY EOMONTH GETDATE GETUTCDATE ISDATE MONTH SMALLDATETIMEFROMPARTS ...
Likewise,‘second’rounds down to the nearest second,‘hour’down to the nearest hour, and so on.‘week’rounds down to that Monday’s date. Creating a time-series with truncated timestamps DATE_TRUNC()is particularly useful when you want to aggregate information over an interval of time. ...
INSERT INTO public."Bug Status" ("Tracking Number", "Assigned Analyst", status, "Changed By", "Updated Date") VALUES (111111111, 'NS', 'Reported', 'NS', DATE_TRUNC('second', 'current_timestamp')); I recieve the following error: ERROR: function date_trunc("unknown", "unknown") is...