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http://jira.nuxeo.org/browse/NXP-4062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=60745#action_60745
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Florent Guillaume commented on NXP-4062:
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PostgreSQL implementation:
http://hg.nuxeo.org/nuxeo/nuxeo-core/rev/e133ed2f6433
http://hg.nuxeo.org/nuxeo/nuxeo-core/rev/bb2f69a68a32
http://hg.nuxeo.org/nuxeo/nuxeo-core/rev/8466a3011404
> VCS: improve path-based search performance
> ------------------------------------------
>
> Key: NXP-4062
> URL: http://jira.nuxeo.org/browse/NXP-4062
> Project: Nuxeo Enterprise Platform
> Issue Type: Bug
> Components: Core SQL Storage
> Affects Versions: 5.2 GA
> Reporter: Florent Guillaume
> Assignee: Florent Guillaume
> Priority: Critical
> Fix For: 5.3
>
> Original Estimate: 4 days
> Remaining Estimate: 4 days
>
> VCS searches involving ecm:path STARTSWITH need to call the NX_IN_TREE stored
> procedure, which is costly on a large number of documents.
> This should be replaced by the use of a specialized "descendants" table
> holding all (document id, descendant id) couples, maintained using triggers.
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