10:56 a.m.
Steven Hawkins created TEIID-2185:
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Summary: Cost estimation for temp table index selection is incorrect
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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1:32 p.m.
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Steven Hawkins resolved TEIID-2185.
-----------------------------------
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
-----------------------------------------------------------
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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3:22 p.m.
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RH Bugzilla Integration updated TEIID-2185:
-------------------------------------------
Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=855966
Cost estimation for temp table index selection is incorrect
-----------------------------------------------------------
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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3:22 p.m.
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RH Bugzilla Integration updated TEIID-2185:
-------------------------------------------
Bugzilla Update: Perform
Cost estimation for temp table index selection is incorrect
-----------------------------------------------------------
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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3:34 p.m.
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Johnathon Lee updated TEIID-2185:
---------------------------------
Affects Version/s: 7.7.2
Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=855966 (was:
https://bugzilla.redhat.com/show_bug.cgi?id=855966)
Cost estimation for temp table index selection is incorrect
-----------------------------------------------------------
Key: TEIID-2185
URL: https://issues.jboss.org/browse/TEIID-2185
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.4, 7.7.2
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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10:53 a.m.
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Steven Hawkins updated TEIID-2185:
----------------------------------
Fix Version/s: 7.7.2
Cost estimation for temp table index selection is incorrect
-----------------------------------------------------------
Key: TEIID-2185
URL: https://issues.jboss.org/browse/TEIID-2185
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.4, 7.7.2
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 7.7.2, 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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10:55 a.m.
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Steven Hawkins closed TEIID-2185.
---------------------------------
Cost estimation for temp table index selection is incorrect
-----------------------------------------------------------
Key: TEIID-2185
URL: https://issues.jboss.org/browse/TEIID-2185
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.4, 7.7.2
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 7.7.2, 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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4179
days inactive
4255
days old
6 comments
3 participants
participants (3)
-
Johnathon Lee (JIRA) -
RH Bugzilla Integration (JIRA)
-
Steven Hawkins (JIRA)