[teiid-issues] [JBoss JIRA] (TEIID-4418) Pushdown of a correlated with clause contains wrong correlated reference
Steven Hawkins (JIRA)
issues at jboss.org
Wed Aug 31 13:45:01 EDT 2016
[ https://issues.jboss.org/browse/TEIID-4418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on TEIID-4418 started by Steven Hawkins.
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> Pushdown of a correlated with clause contains wrong correlated reference
> ------------------------------------------------------------------------
>
> Key: TEIID-4418
> URL: https://issues.jboss.org/browse/TEIID-4418
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 8.7
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 9.1
>
>
> A query such as:
> {code}
> select e1, e2 from pm1.g2 where e1 = (with CTE1 as /*+ no_inline */ (SELECT pm1.g2.e1 from pm1.g1) select e1 from CTE1)
> {code}
> will pushdown as:
> {code}
> SELECT g_0.e1, g_0.e2 FROM g2 AS g_0 WHERE g_0.e1 = (WITH CTE1 (e1) AS (SELECT g2.e1 AS expr1 FROM g1 AS g_0) SELECT g_1.e1 FROM CTE1 AS g_1)
> {code}
> Note the incorrect g2.e1 reference.
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