Yongjun Zhang ba27b03814 IMPALA-6202. mod and % should be equivalent. ...

Currently in DECIMAL V2 mode, typeof(9.9 % 3) is DECIMAL(2,1) and typeof(mod(9.9, 3)) is
DECIMAL(4,1), while both are expected to be DECIMAL(2,1). This jira fixes V2 mode by
replacing "mod" with "%" at parser stage thus they share the same code path afterwards.

Testing:
Added unit tests and done real cluster testing.

Change-Id: Ib0067da04083859ffbf662a29007154461bea2ba
Reviewed-on: http://gerrit.cloudera.org:8080/11443
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com>

2018-09-27 20:41:29 +00:00

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