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https://issues.apache.org/jira/browse/HIVE-11493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14700563#comment-14700563
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Laljo John Pullokkaran commented on HIVE-11493:
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[~pxiong] Is this an issue with older versions as well?
> Predicate with integer column equals double evaluates to false
> --------------------------------------------------------------
>
> Key: HIVE-11493
> URL: https://issues.apache.org/jira/browse/HIVE-11493
> Project: Hive
> Issue Type: Bug
> Components: Query Planning
> Affects Versions: 2.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Pengcheng Xiong
> Priority: Blocker
> Fix For: 2.0.0
>
> Attachments: HIVE-11493.01.patch, HIVE-11493.02.patch,
> HIVE-11493.03.patch, HIVE-11493.04.patch
>
>
> Filters with integer column equals double constant evaluates to false
> everytime. Negative double constant works fine.
> {code:title=explain select * from orc_ppd where t = 10.0;}
> OK
> Stage-0
> Fetch Operator
> limit:-1
> Select Operator [SEL_2]
>
> outputColumnNames:["_col0","_col1","_col2","_col3","_col4","_col5","_col6","_col7","_col8","_col9","_col10","_col11","_col12","_col13"]
> Filter Operator [FIL_1]
> predicate:false (type: boolean)
> TableScan [TS_0]
> alias:orc_ppd
> {code}
> {code:title=explain select * from orc_ppd where t = -10.0;}
> OK
> Stage-0
> Fetch Operator
> limit:-1
> Select Operator [SEL_2]
>
> outputColumnNames:["_col0","_col1","_col2","_col3","_col4","_col5","_col6","_col7","_col8","_col9","_col10","_col11","_col12","_col13"]
> Filter Operator [FIL_1]
> predicate:(t = (- 10.0)) (type: boolean)
> TableScan [TS_0]
> alias:orc_ppd
> {code}
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