Michael Paquier <mich...@paquier.xyz> writes: > I don't disagree with your point, still I'm not sure that this can be > made entirely bullet-proof. Anyway, I think that we should still > improve this test and make it more robust for parallel operations: > installcheck fails equally on HEAD if there is a prepared transaction > on the backend where the tests run, and that seems like a bad idea to > me to rely on cluster-wide scans for what should be a "local" test.
True, it's antithetical to the point of an "installcheck" test if unrelated actions in another database can break it. So I'm fine with tightening up prepared_xacts's query. I just wonder how far we want to try to carry this. (BTW, on the same logic, should ecpg's twophase.pgc be using a prepared-transaction name that's less generic than "gxid"?) regards, tom lane