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https://issues.apache.org/jira/browse/SENTRY-328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094574#comment-14094574
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Tuong Truong commented on SENTRY-328:
-------------------------------------
Verify that DN's change is hitting a bug in Derby (I am using version 10.8.x.x)
while DB2 works just fine...
create table test(i1 int);
create table test2(i1 int, i2 int);
select * from test t1 where exists(select * from test2 t2 where t1.i1 = t2.i1);
-- works
select * from test t1 where exists(select i1,i2 from test2 t2 where t1.i1 =
t2.i1);
-- failed with "Subquery is only allowed to return a single column".
> Need to update DataNucleus version to support proper SQL generation for DB2
> ---------------------------------------------------------------------------
>
> Key: SENTRY-328
> URL: https://issues.apache.org/jira/browse/SENTRY-328
> Project: Sentry
> Issue Type: Bug
> Affects Versions: 1.4.0
> Reporter: Tuong Truong
> Assignee: Tuong Truong
> Labels: DB2
> Fix For: 1.5.0
>
> Attachments: SENTRY-328.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> DatataNucleus RDBMS jar has defect that causes it to generate improper SQL
> for DB2 backend for certain type of query. This was found in Jira Hive-6136.
> The fix was integrated into datanucleus-core 3.2.12, datanucleus-rdbms
> 3.2.11.
> We'd like to Sentry to use this version to ensure proper DB2 support.
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