[ https://issues.jboss.org/browse/TEIID-5109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins updated TEIID-5109:
----------------------------------
Component/s: Connector API
Query Engine
Fix Version/s: 10.0
9.3.4
9.2.7
Priority: Blocker (was: Major)
> Set operations and parenthesis
> ------------------------------
>
> Key: TEIID-5109
> URL: https://issues.jboss.org/browse/TEIID-5109
> Project: Teiid
> Issue Type: Bug
> Components: Connector API, Query Engine
> Reporter: Mike Higgins
> Assignee: Steven Hawkins
> Priority: Blocker
> Fix For: 10.0, 9.3.4, 9.2.7
>
>
> Using Teiid 9.2.2 with postgresql, I issue a query structured like this:
>
> (a
> UNION ALL
> b
> UNION ALL
> c)
> INTERSECT
> d
>
> All queries are from a single database.
> This query does not give back the expected result.
> In the plan, I see the query printed with no parenthesis around the unions:
> a UNION ALL b UNION ALL c INTERSECT d
> This gives the same result as the query submitted with no parens in it (the intersect of c and d is unioned with a union b.
> The expepeted result is to preserve the paren so that the intersect is performed against the union of all three tables.
> As a note, using UNION instead of UNION ALL did not preserve the parens, either.
>
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