[jira] [Commented] (HIVE-11493) Predicate with integer column equals double evaluates to false

["Prasanth Jayachandran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-11493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660754#comment-14660754 ] 

Prasanth Jayachandran commented on HIVE-11493:
----------------------------------------------

This happens even when constant propagation and cbo is disabled.

> 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
>    Affects Versions: 2.0.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Pengcheng Xiong
>            Priority: Blocker
>
> 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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