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From "WangMeng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11880) IndexOutOfBoundsException when query with filter condition on type incompatible column of UNION ALL when hive.ppd.remove.duplicatefilters=true
Date Wed, 23 Sep 2015 05:25:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903977#comment-14903977
] 

WangMeng commented on HIVE-11880:
---------------------------------

[~hiveqa]

> IndexOutOfBoundsException when query with filter condition on type incompatible column
of UNION ALL when hive.ppd.remove.duplicatefilters=true
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-11880
>                 URL: https://issues.apache.org/jira/browse/HIVE-11880
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 1.2.1
>            Reporter: WangMeng
>            Assignee: WangMeng
>         Attachments: HIVE-11880.01.patch
>
>
>    For Hive UNION ALL , when an union column is constant(column a such as '0L')  and
it has incompatible type with the corresponding column A(INT Type). 
>   Query with filter condition on type incompatible column a on this UNION ALL  will cause
IndexOutOfBoundsException.
>  Such as TPC-H table "orders", we  create View  by : 
> {code}
>   CREATE VIEW `view_orders` AS
>   SELECT `oo`.`o_orderkey` ,        
>                  `oo`.`o_custkey` 
>   FROM   (               
>                   SELECT    `o_orderkey` , `0L AS `o_custkey`               
>                   FROM       `rcfileorders`               
>                   UNION ALL               
>                   SELECT     `o_orderkey` ,`o_custkey`               
>                   FROM      `textfileorders`) `oo`.
> {code}
>   In VIEW view_orders , type of 'o_custkey' is INT normally, while  the type of corresponding
column constant "0" is BIGINT( `0L AS `o_custkey` ).
> When 
> {code}
> set hive.ppd.remove.duplicatefilters=true
> {code}
>  the fllowing query (with filter " incompatible column 'o_custkey' ")  will fail  with
 java.lang.IndexOutOfBoundsException:
> {code}   
>  select count(1) from view_orders  where o_custkey<100000
> {code}



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