Hi, I've now committed the MCV part, after addressing the last two issues raised by Dean:
* The MCV build now always uses the mincount to decide which of the items to keep in the list. * Both the MCV build and deserialization now uses the same maximum number of list items (10k). Unfortunately, I forgot to merge these two fixes before pushing, so I had to commit them separately. Sorry about that :/ Attached are the remaining parts of this patch series - the multivariate histograms, and also a new patch tweaking regression tests for the old statistic types (ndistinct, dependencies) to adopt the function-based approach instead of the regular EXPLAIN. But those are clearly a matter for the future (well, maybe it'd make sense to commit the regression test change now). regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
0001-adopt-regression-tests.patch.gz
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0002-multivariate-histograms.patch.gz
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