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Date: Fri, 25 Sep 2015 06:21:04 +0000 (UTC)
From: "WangMeng (JIRA)" <jira@apache.org>
To: issues@hive.apache.org
Message-ID: <JIRA.12884310.1442580578000.70462.1443162064567@Atlassian.JIRA>
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 <JIRA.12884310.1442580578903@arcas>
Subject: [jira] [Commented] (HIVE-11880) filter bug  of UNION ALL when
 hive.ppd.remove.duplicatefilters=true and filter condition is type
 incompatible column
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    [ https://issues.apache.org/jira/browse/HIVE-11880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14907667#comment-14907667 ] 

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

[~xuefuz]    I have rebased it and uploaded a new patch.
[~ashutoshc] I tried the patch of HIVE-11919 again after I rebased, it can not fix this bug also.
Please check it again . Thanks.

> filter bug  of UNION ALL when hive.ppd.remove.duplicatefilters=true and filter condition is type incompatible column 
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-11880
>                 URL: https://issues.apache.org/jira/browse/HIVE-11880
>             Project: Hive
>          Issue Type: Bug
>          Components: Logical Optimizer
>    Affects Versions: 1.2.1
>            Reporter: WangMeng
>            Assignee: WangMeng
>         Attachments: HIVE-11880.01.patch, HIVE-11880.02.patch, HIVE-11880.03.patch
>
>
>    For UNION ALL , when an union operator is constant column (such as '0L', BIGINT Type)  and its corresponding column has incompatible type (such as INT type). 
>   Query with filter condition on type incompatible column on this UNION ALL  will cause IndexOutOfBoundsException.
>  Such as TPC-H table "orders",in  the following query:
>  Type of 'orders'.'o_custkey' is INT normally,  while  the type of corresponding constant column  "0" is BIGINT( `0L AS `o_custkey` ). 
>  This query (with filter "type incompatible column 'o_custkey' ")  will fail  with  java.lang.IndexOutOfBoundsException : 
> {code}
> SELECT Count(1)
> FROM   (
>               SELECT `o_orderkey` ,
>                      `o_custkey`
>               FROM   `orders`
>               UNION ALL
>               SELECT `o_orderkey`,
>                      0L  AS `o_custkey`
>               FROM   `orders`) `oo`
> WHERE  o_custkey<100000 limit 4 ;
> {code}
> When 
> {code}
> set hive.ppd.remove.duplicatefilters=true
> {code}


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