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Patch: Memory-bounded HashAgg

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CommitFest 2014-12
Topic Miscellaneous
Patch Status Returned with Feedback
Author Jeff Davis
Reviewers Nobody
Committer Nobody
Close Date 2015-01-16
Patch by jdavis on 2014-12-11 10:47:56 AM: Initial version.
Patch by jdavis on 2014-12-11 10:49:01 AM: Open items completed.
Comment by jjanes on 2014-12-15 09:09:49 PM: Depends on https://commitfest.postgresql.org/action/patch_view?id=1621
Review by fuzzycz on 2014-12-21 07:31:58 PM: segfaulting on simple example query, missing regression tests for the batchnig
Patch by jdavis on 2014-12-23 09:18:06 AM: New patch; fixed segfault.
Comment by jdavis on 2014-12-28 09:09:39 PM: Tests and commentary.
Comment by jdavis on 2014-12-28 09:33:31 PM: More tests
Review by fuzzycz on 2015-01-07 09:15:16 PM: patch measures hashcontext, not aggcontext (as it should), fix results in significant performance hit
Comment by michael-kun on 2015-01-16 12:27:32 PM: Marking as returned with feedback, patch is incorrect and once corrected performance drops significantly.

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