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