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https://issues.apache.org/jira/browse/HIVE-26320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stamatis Zampetakis resolved HIVE-26320.
----------------------------------------
Fix Version/s: 4.0.0-alpha-2
Resolution: Fixed
Fixed in
https://github.com/apache/hive/commit/70562437d369c2f4ab3e879bae519f81d386da3b.
Thanks for the PR [~jfs] and [~amansinha] [~kkasa] [~asolimando] [~mdayakar]
for the reviews! Also many thanks [~chiran54321] for reporting the issue and
helping out with the initial investigation.
> Incorrect results for IN UDF on Parquet column of CHAR/VARCHAR type
> -------------------------------------------------------------------
>
> Key: HIVE-26320
> URL: https://issues.apache.org/jira/browse/HIVE-26320
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2, Query Planning
> Affects Versions: 4.0.0-alpha-1
> Reporter: Chiran Ravani
> Assignee: John Sherman
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0-alpha-2
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> Query involving case statement with two or more conditions leads to incorrect
> result for tables with parquet format, The problem is not observed with ORC
> or TextFile.
> *Steps to reproduce*:
> {code:java}
> create external table case_test_parquet(kob varchar(2),enhanced_type_code
> int) stored as parquet;
> insert into case_test_parquet values('BB',18),('BC',18),('AB',18);
> select case when (
> (kob='BB' and enhanced_type_code='18')
> or (kob='BC' and enhanced_type_code='18')
> )
> then 1
> else 0
> end as logic_check
> from case_test_parquet;
> {code}
> Result:
> {code}
> 0
> 0
> 0
> {code}
> Expected result:
> {code}
> 1
> 1
> 0
> {code}
> The problem does not appear when setting hive.optimize.point.lookup=false.
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