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 Witryna29 sie 2024 · Run these query in impala to get desired results: select from_unixtime(unix_timestamp('29-aug-17','dd-MMM-yy'),'yyyy-MM-dd'); or . …
Solved: Impala - Convert String to Timestamp - Cloudera
Witryna5 gru 2024 · 方法1: from_unixtime+ unix_timestamp --20241205转成2024-12-05 select from_unixtime (unix_timestamp ('20241205','yyyymmdd'),'yyyy-mm-dd') from dual; --2024-12-05转成20241205 select from_unixtime (unix_timestamp ('2024-12-05','yyyy-mm-dd'),'yyyymmdd') from dual; 方法2: substr + concat --20241205转成2024-12-05 … Witryna11 kwi 2024 · from_timestamp ('2024-04-11 16:05:19','yyyy-MM-dd') as date_value from_timestamp (datetime timestamp, pattern string): Converts a TIMESTAMP value into a string representing the same value. Please see documentation here Share Improve this answer Follow edited Nov 4, 2024 at 9:54 answered Jun 23, 2024 at … the outer worlds engine
impala常用日期格式转换_impala时间戳转换日期格式_程序员小挽 …
Witryna1 sty 2024 · 1 Convert first field to timestamp like below - to_timestamp (date_part, 'yyyyMMdd') Then apply filter like this - to_timestamp (date_part, 'yyyyMMdd') >= to_timestamp ('01/01/2024', 'MM/dd/yyyy') Share Improve this answer Follow answered Mar 13, 2024 at 15:06 Koushik Roy 6,435 2 11 30 Add a comment Your Answer 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 … Witryna1 sty 2024 · to_timestamp(date_part, 'yyyyMMdd') Then apply filter like this - to_timestamp(date_part, 'yyyyMMdd') >= to_timestamp('01/01/2024', 'MM/dd/yyyy') the outer worlds engineering volume 3