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Posted to issues@kylin.apache.org by "yoonsung.lee (Jira)" <ji...@apache.org> on 2021/04/09 09:05:00 UTC

[jira] [Commented] (KYLIN-4544) Kylin on Parquet LEFT JOIN Query failed

    [ https://issues.apache.org/jira/browse/KYLIN-4544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17317800#comment-17317800 ] 

yoonsung.lee commented on KYLIN-4544:
-------------------------------------

[~wangrupeng] Let me know which version you failed.

> Kylin on Parquet LEFT JOIN Query failed
> ---------------------------------------
>
>                 Key: KYLIN-4544
>                 URL: https://issues.apache.org/jira/browse/KYLIN-4544
>             Project: Kylin
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: bright liao
>            Assignee: Wang Rupeng
>            Priority: Major
>             Fix For: v4.0.0-GA
>
>
> select t.n,t1.n from (
> select count(*) as n from dm.dm_bi_device_info_day where deal_date='20200527') as t
> LEFT JOIN (
> select count(*) as n from dm.dm_bi_device_info_day where deal_date='20200526') as t1
> on 1=1
> This sql execute failed while kylin-3.0 runs with no problem.
> Error message：
> Error while applying rule OLAPJoinRule, args [rel#234029:LogicalJoin.NONE.[](left=rel#234022:Subset#3.NONE.[],right=rel#234028:Subset#6.NONE.[],condition==(1, 1),joinType=left)] while executing SQL: "select * from (select t.n,t1.n from ( select count(*) as n from dm.dm_bi_device_info_day where deal_date='20200527') as t LEFT JOIN ( select count(*) as n from dm.dm_bi_device_info_day where deal_date='20200526') as t1 on 1=1) limit 50000"



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