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Patch: pg_stat_statements with query tree based normalization

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CommitFest 2012-01
Topic Logging, Monitoring & Error Handling
Patch Status Committed
Author Peter Geoghegan
Reviewers Daniel Farina
Committer Tom Lane
Close Date 2012-03-29
Patch by sternocera on 2011-11-14 12:57:02 PM: Initial version.
Patch by gsmith on 2011-12-10 01:36:05 PM: Performance testing harness
Patch by gsmith on 2011-12-10 01:57:35 PM: Updated patch
Review by gsmith on 2012-01-16 09:11:56 AM: Initial review, bit rot corrections published
Comment by jjanes on 2012-02-13 01:04:14 AM: Waiting on author?
Patch by sternocera on 2012-02-16 09:20:41 PM: New revision without changes to the core parser.
Comment by fdr on 2012-03-10 09:09:15 PM: The additions to the backend code have been carefully checked, and their caveats briefly discussed. I've done a reasonably close look at the actual mechanism in the contrib; there are a few nits, but I found the code easy to read and improve, if necessary. The functionality is wonderful. I don't think we can go productively much farther without committer feedback.
Patch by sternocera on 2012-03-13 01:56:52 AM: "Ready for committer" patch, with sticky entries.
Comment by sternocera on 2012-03-27 10:25:09 PM: Core infrastructure committed
Comment by tgl on 2012-03-29 01:10:49 AM: Committed, although there are a couple loose ends to try to clean up.
Comment by tgl on 2012-03-29 09:03:06 PM: The only remaining loose end is better management of sticky-entry decay, which doesn't seem terribly critical.
Comment by sternocera on 2012-04-08 08:48:48 PM: Sticky-entry decay is now managed in a well-principled fashion.

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