[teiid-issues] [JBoss JIRA] (TEIID-1544) Add a limit to the number of dependent queries that can be issued.
Steven Hawkins (Updated) (JIRA)
jira-events at lists.jboss.org
Mon Jan 9 16:37:09 EST 2012
[ https://issues.jboss.org/browse/TEIID-1544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins updated TEIID-1544:
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Fix Version/s: (was: 8.0)
Priority: Minor (was: Major)
This would likely be expressed as part of the make_dep/make_ind hints. This is nice to have, but not a high priority. In cost scenarios (none-hint), there is already back-off logic to help prevent runaway queries and you can always use a hint to force specific behavior.
When this is worked other parameters could be considered for the hint, such as the ability to override the translator value for max in predicates.
> Add a limit to the number of dependent queries that can be issued.
> ------------------------------------------------------------------
>
> Key: TEIID-1544
> URL: https://issues.jboss.org/browse/TEIID-1544
> Project: Teiid
> Issue Type: Sub-task
> Components: Query Engine
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Priority: Minor
>
> There should be a mechanism to limit the number of dependent join queries generated. Ideally this should apply to both cost and hint based dependent joins.
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