[teiid-issues] [JBoss JIRA] (TEIID-2094) Projecting node issue
Steven Hawkins (JIRA)
jira-events at lists.jboss.org
Tue Nov 20 08:55:24 EST 2012
[ https://issues.jboss.org/browse/TEIID-2094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins closed TEIID-2094.
---------------------------------
> Projecting node issue
> ---------------------
>
> Key: TEIID-2094
> URL: https://issues.jboss.org/browse/TEIID-2094
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 6.0.0
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 8.1
>
>
> If a non-pushed source node (inline view) is located over a projecting node (windowfunctionproject, join, group, or a select node) the resulting construction of the projection/projection indexes will be incorrect or fail - as the input elements will not match the output elements that have been set to the views elements. For example with the exception:
> java.lang.AssertionError: ASSERTION FAILED: expected reference to be not null
> at org.teiid.core.util.Assertion.failed(Assertion.java:73)
> at org.teiid.core.util.Assertion.isNotNull(Assertion.java:100)
> at org.teiid.core.util.Assertion.isNotNull(Assertion.java:92)
> at org.teiid.query.processor.relational.RelationalNode.getProjectionIndexes(RelationalNode.java:371)
> at org.teiid.query.processor.relational.SelectNode.initialize(SelectNode.java:93)
> Note that not all nodes should be the first child under a source. For example, join/group should not appear there (typically it will be one of project/windowfunctionproject/limit/sort/unionall/select). Other child nodes besides windowfunctionproject/select could have issues, since we are not specifically coding to use a different set of output vs. original elements such as with ProjectNode that holds elements and selectSymbols respectively.
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