On 23/07/2018 05:58, Tom Lane wrote: > 013f320dc reminds me of something I check for religiously: look for > alternative output files for any regression test you're updating the > output of. > > Actually updating said files, once you notice you need to, can be tricky > in itself. Most of the time it works to just apply the same patch to the > other variants as the delta you're observing for the output file that's > relevant to your own platform. Or you may be able to change configuration > so as to replicate the correct output for another alternative file. But > sometimes you just have to guess (and then watch the buildfarm to see if > you guessed right).
There is a recipe for doing this using the "merge" command here: https://wiki.postgresql.org/wiki/Regression_test_authoring#Updating_an_existing_regression_test YMMV -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
