Witryna29 gru 2024 · 1. I would like to replace a date timestamp variable 'date' with the format yyyy-mm-dd hh:mm:ss e.g, 2024-12-28 00:00:00 with two other string variables; one named date with the format: 'yyyymmdd' e.g, 20241228, and one named month with the format: 'yyyymm' e.g, 202412. Can you give me some suggestions using a SELECT … Witryna12 lis 2024 · 最近在impala中遇到一些时间格式问题,目标:取当前日期的前两天日期。 一种做法是from_unixtime(unix_timestamp()-60*60*24*2,'yyyyMMdd'),当前时间戳 …
Commonly used Cloudera Impala Date Functions and Examples
Witryna3 cze 2024 · 일반적인 RDB에 내장된 to_char (timestamp, text) 함수가 Impala에는 없다. 대신, 같은 역할을 하면서 이름만 다른 from_timestamp (TIMESTAMP datetime, STRING pattern) 함수를 사용하면 된다. # ANSI SELECT to_char(now(), 'yyyy-MM-dd, HH:mm') # Impala SELECT from_timestamp(now(), 'yyyy-MM-dd, HH:mm') 참고 Impala Date … Witryna20 wrz 2024 · it returns as Null values. e.g. select * from table T1 where orderdate is less than < 1/1/2001 order date is stored as string in T1 and doesnot have padded zeroes : 1/1/2001 (and not 01/01/2001) SELECT cast (unix_timestamp (`date`, "MM/dd/yyyy") as timestamp), `date` FROM T1 ; Result -- Null values for cast command song on zillow commercial 2022
convert YYYYMMDD to YYYY-MM-DD and now () in impala
Witryna12 sty 2024 · If column's month_year date format is MMM-yy then contact 01 as default date for avoid to null result, however it will not effect expected out because you are going to get output in format yyyyMM. Try this: select from_unixtime (unix_timestamp (concat ('01-',month_year),'dd-MMM-yy'),'yyyyMM') Share Improve this answer Follow Witryna2 lip 2013 · 5 Answers. Sorted by: 3. You can just use: CAST ('2013-03-20' AS DATE) to convert it to a DATE field. There are a number of formats that will CAST () as DATE without issue, including: 20130320 2013-03-20 2013 mar 20 March 20, 2013 2013.03.20. I'm sure there's a comprehensive list somewhere, but couldn't find one with a quick … Witryna26 lut 2016 · 1 Answer. You can use to_date () to get the date of the time and hour () to get the hour of the time, and then concat them together if you do not want to use unix_timestamp () or from_unixtime (). Suppose 'submit_time' looks like '2016-02-26 04:00:07.766304000'. will gives the answer. song on top of the roof