[jira] [Assigned] (KYLIN-4963) multiple union all query unresponsive

["Xiaoxiang Yu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-4963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoxiang Yu reassigned KYLIN-4963:
-----------------------------------

    Assignee: GuKe

> multiple union all query unresponsive
> -------------------------------------
>
>                 Key: KYLIN-4963
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4963
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: v2.6.3, v3.1.0
>         Environment: Centos 7.4.1
> hbase 1.2.4
> hive 2.0.1
> hadoop 2.7.2
>            Reporter: GuKe
>            Assignee: GuKe
>            Priority: Major
>
> When i use multiple union all for different query , while the front two query result is empty ，the request of query will be unresponsive.
> eg:
> select 'a' as t from table1 where 1=2 
> union all
> select 'b' as t from table1 where 1=2
> union all
> select 'c' as t from table1 where 1=1



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