[JBoss JIRA] (TEIID-3992) Improve performance of pg system tables
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[
https://issues.jboss.org/browse/TEIID-3992?page=com.atlassian.jira.plugin...
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Steven Hawkins commented on TEIID-3992:
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The approach here was to add the parent uid to some of the system tables so that the
parent oid could be determined without a join/subquery. Beyond that the mat_pg_attr table
was complete removed as we could go directly against sys.columns which is effectively
indexed against the schema/table name.
Improve performance of pg system tables
---------------------------------------
Key: TEIID-3992
URL: https://issues.jboss.org/browse/TEIID-3992
Project: Teiid
Issue Type: Sub-task
Components: ODBC, Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 9.0
Once materialization is removed from the pg catalog tables performance can be an issue.
At least for the common metadata queries issued with every request.
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Steven Hawkins (JIRA)