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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14957) HiveSortLimitPullUpConstantsRule misses branches when parent operator is Union
Date Fri, 14 Oct 2016 21:25:20 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-14957:
-----------------------------------
    Attachment: HIVE-14957.02.patch

> HiveSortLimitPullUpConstantsRule misses branches when parent operator is Union
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-14957
>                 URL: https://issues.apache.org/jira/browse/HIVE-14957
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-14957.01.patch, HIVE-14957.02.patch
>
>
> {code}
> call.transformTo(parent.copy(parent.getTraitSet(), ImmutableList.of(relBuilder.build())));
> {code}
> When parent is an union operator which has 2 inputs, the parent.copy will only copy the
one that has SortLimit and ignore the other branches.



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