[teiid-issues] [JBoss JIRA] (TEIID-2802) HIVE2: got Invalid table alias or column reference when running UNION ALL query on HIVE2
Steven Hawkins (JIRA)
issues at jboss.org
Fri Jan 17 19:12:32 EST 2014
[ https://issues.jboss.org/browse/TEIID-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins resolved TEIID-2802.
-----------------------------------
Fix Version/s: 8.7
Resolution: Done
when group by and order by appear together the translator will remove the table qualifier from the order by column references
> HIVE2: got Invalid table alias or column reference when running UNION ALL query on HIVE2
> -----------------------------------------------------------------------------------------
>
> Key: TEIID-2802
> URL: https://issues.jboss.org/browse/TEIID-2802
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 8.6
> Environment: TEIID with HIVE2
> Reporter: Ivan Chan
> Assignee: Steven Hawkins
> Labels: teiid
> Fix For: 8.7
>
>
> If I tried to combine 2 tables from a same HIVE2 data source using UNION ALL, I got "Invalid table alias or column reference" error.
> Query that I submitted to Teiid originally:
> select "name"
> from (Select * from hive2.opportunities_small UNION ALL Select * from
> hive2.opportunities) "query"
> group by "name"
> order by "name"
> Query that Teiid generated:
> SELECT v_0.c_0 FROM (SELECT c_0 FROM (SELECT g_1.name AS c_0 FROM
> opportunities_small g_1 UNION ALL SELECT g_0.name AS c_0 FROM opportunities
> g_0) X__) v_0 GROUP BY v_0.c_0 ORDER BY v_0.c_0
> Error:
> Invalid table alias or column reference 'v_0': (possible column names are: c_0)
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