[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-3637) Union in where doesn't works for Sybase, need to evict test case

[Ray Fan (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-3637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=37884#action_37884 ] 

Ray Fan commented on HHH-3637:
------------------------------

Ingres does not support UNION within a sub-query; in this case used within a WHERE clause and fails this test.
http://docs.ingres.com/Ingres/9.3/SQL%20Reference%20Guide/selectinteractive.htm#o3645

I'd like to skip this test for Ingres dialects.

> Union in where doesn't works for Sybase, need to evict test case
> ----------------------------------------------------------------
>
>                 Key: HHH-3637
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3637
>             Project: Hibernate Core
>          Issue Type: Improvement
>          Components: testsuite
>         Environment: Sybase ASE 15.0.2
>            Reporter: Juraci Paixao Krohling
>            Assignee: Juraci Paixao Krohling
>         Attachments: DynamicFilterTest.java.diff, SupportsUnionInSubquery.diff
>
>
> It seems that Sybase doesn't supports UNION inside WHERE clauses, causing the test DynamicFilterTest#testSqlSyntaxOfFiltersWithUnions to fail. The scenario for this test case is not described in the documentation, but I would expect it to work:
> http://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.infocenter.dc32300.1502/html/sqlug/X86286.htm
> The query is:
>     select
>         category0_.CAT_ID as CAT1_6_,
>         category0_.name as name6_,
>         category0_.eff_start_dt as eff3_6_,
>         category0_.eff_end_dt as eff4_6_ 
>     from
>         CATEGORY category0_ 
>     where
>         'abc' in (
>             select
>                 d.reg 
>             from
>                 department d 
>             where
>                 (
>                     d.dept_id=123
>                 ) 
>             union
>             select
>                 p.name 
>             from
>                 sales_person p 
> 		)
> 		
> If executed only the queries from inside the where clause (the two selects with union), it works as expected. Also, if removed the union and one of the queries inside the where, it works as expected. So, the problem happens only when using union inside a where clause.
> For now, I'd suggest to evict this test for Sybase. 

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