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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/10/01 04:20:00 UTC
[jira] [Work logged] (HIVE-26320) Incorrect case evaluation for Parquet based table
[ https://issues.apache.org/jira/browse/HIVE-26320?focusedWorklogId=813832&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-813832 ]
ASF GitHub Bot logged work on HIVE-26320:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Oct/22 04:19
Start Date: 01/Oct/22 04:19
Worklog Time Spent: 10m
Work Description: sonarcloud[bot] commented on PR #3628:
URL: https://github.com/apache/hive/pull/3628#issuecomment-1264233942
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Issue Time Tracking
-------------------
Worklog Id: (was: 813832)
Time Spent: 4.5h (was: 4h 20m)
> Incorrect case evaluation for Parquet based table
> -------------------------------------------------
>
> 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
> Time Spent: 4.5h
> 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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