[teiid-issues] [JBoss JIRA] Commented: (TEIID-992) Improve update of source costing statistics
Steven Hawkins (JIRA)
jira-events at lists.jboss.org
Mon Jun 6 12:13:59 EDT 2011
[ https://issues.jboss.org/browse/TEIID-992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12606656#comment-12606656 ]
Steven Hawkins commented on TEIID-992:
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You should start with the reference to see the system procedures (settablestats, setcolumnstats) and the developers guide to understand the MetadataRepository interface. As for an end-to-end example, none exists. It is currently up to the user to gather the stats using whatever mechanism they want.
> Improve update of source costing statistics
> -------------------------------------------
>
> Key: TEIID-992
> URL: https://issues.jboss.org/browse/TEIID-992
> Project: Teiid
> Issue Type: Feature Request
> Components: Misc. Connectors, Query Engine
> Reporter: Marc Shirley
> Fix For: 8.0
>
>
> It is very important that we support the ability to update source statistics at runtime. This is important due to the changing nature of read/write sources and differences between a development data source and a production data source.
> The following options should be possible:
> 1) Update model/source statistics on VDB deployment.
> 2) Update model/source statistics on connector startup.
> 3) Update model/source statistics on at a scheduled time.
> 4) Update model/source statistics upon a manual request.
> case 5920
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