Peter Geoghegan <p...@heroku.com> writes: > FWIW, I think that that bug tells us a lot about hash index usage in > the field. It took many months for someone to complain about what > ought to have been a really obvious bug. Clearly, hardly anybody is > using hash indexes. I broke hash index tuplesort builds in a similar > way at one point, too. The slightest bit of regression test coverage > would have caught either bug, I believe.
We *do* have regression test coverage, but that code is set up to not kick in at any index scale that would be sane to test in the regression tests. See https://www.postgresql.org/message-id/12194.1466724...@sss.pgh.pa.us regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers