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https://issues.apache.org/jira/browse/KYLIN-2830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Roger Shi updated KYLIN-2830:
-----------------------------
Description:
SQL like:
{code:sql}
select sum(TEST_A.PRICE) as ITEM_CNT
FROM TEST_KYLIN_FACT as TEST_A
join (
select * from TEST_KYLIN_FACT where CAL_DT < DATE '2012-06-01'
union
select * from TEST_KYLIN_FACT where CAL_DT > DATE '2013-06-01'
) TEST_B
on TEST_A.TRANS_ID = TEST_B.TRANS_ID
group by TEST_A.SELLER_ID
{code}
returns null values.
was:
SQL like:
{code:sql}
select sum(TEST_A.PRICE) as ITEM_CNT
FROM TEST_KYLIN_FACT as TEST_A
join (
select * from ITEM_CNT where CAL_DT < DATE '2012-06-01'
union
select * from ITEM_CNT where CAL_DT > DATE '2013-06-01'
) TEST_B
on TEST_A.TRANS_ID = TEST_B.TRANS_ID
group by TEST_A.SELLER_ID
{code}
returns null values.
> Union two subquery under join make SQL return null values
> ---------------------------------------------------------
>
> Key: KYLIN-2830
> URL: https://issues.apache.org/jira/browse/KYLIN-2830
> Project: Kylin
> Issue Type: Bug
> Reporter: Roger Shi
>
> SQL like:
> {code:sql}
> select sum(TEST_A.PRICE) as ITEM_CNT
> FROM TEST_KYLIN_FACT as TEST_A
> join (
> select * from TEST_KYLIN_FACT where CAL_DT < DATE '2012-06-01'
> union
> select * from TEST_KYLIN_FACT where CAL_DT > DATE '2013-06-01'
> ) TEST_B
> on TEST_A.TRANS_ID = TEST_B.TRANS_ID
> group by TEST_A.SELLER_ID
> {code}
> returns null values.
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