[teiid-issues] [JBoss JIRA] (TEIID-2185) Cost estimation for temp table index selection is incorrect
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https://issues.jboss.org/browse/TEIID-2185?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-2185.
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Resolution: Done
Corrected the logic and added a performance test to show index improvement. There's a
big todo to develop a planned form of a temp query to make it easier for unit testing to
show index usage.
Cost estimation for temp table index selection is incorrect
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Key: TEIID-2185
URL: https://issues.jboss.org/browse/TEIID-2185
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.4
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 8.2
The index selection for temporary tables incorrectly computes an additional cost factor
that biases the selection against secondary indexies.
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