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Sheng Wang commented on IMPALA-10400: ------------------------------------- Hi [~stigahuang], please also take a look at this question, thanks! > Floor/Ceil/Trunc should return BIGINT instead of DOUBLE > ------------------------------------------------------- > > Key: IMPALA-10400 > URL: https://issues.apache.org/jira/browse/IMPALA-10400 > Project: IMPALA > Issue Type: Improvement > Reporter: Sheng Wang > Priority: Major > > Floor/Ceil/Trunc returns BIGINT in version 2.12.0, but change to DOUBLE in > IMPALA-6230. I think these functions should use BIGINT as return value type > instead of DOUBLE. We compared severals systems: > *mysql*: > floor(num): BIGINT > ceil(num): BIGINT > truncate(num, d): d>0 DOUBLE,d=0 BIGINT,d<0 0 > *hive 2.1.1*: > floor(num): BIGINT > ceil(num): BIGINT > trunc(date, format): truncate date > *clickhouse*: > floor(num): BIGINT > ceil(num): BIGINT > truncate(num, [d]),d>0 DOUBLE,d=0 BIGINT,d<0 0 > *greenplum*: > floor(num): BIGINT > ceil(num): BIGINT > truncate(num, [d]),d>0 DOUBLE,d=0 BIGINT,d<0 0 > *spark*: > floor(num): BIGINT > ceil(num): BIGINT > trunc(date, format): truncate date -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org