Andres Freund wrote: > On 2017-10-08 11:28:09 -0400, Tom Lane wrote: > > Adam Brusselback <adambrusselb...@gmail.com> writes: > > > On another note: > > >> turning ORs into UNIONs > > > > > This is another one which would be incredibly useful for me. I've had > > > to do this manually for performance reasons far too often. > > > > Well, maybe you could sign up to help review the open patch for that then: > > https://commitfest.postgresql.org/15/1001/ > > > > The reason that's not in v10 is we haven't been able to convince > > ourselves whether it's 100% correct. > > Unfortunately it won't help in this specific case (no support for UNION, > just UNION ALL), but I thought it might be interesting to reference > https://medium.com/@uwdb/introducing-cosette-527898504bd6 > here.
Interesting. I thought about a completely different approach -- use a fuzzer, which runs each generated query on two servers, one patched one not, and compare the results. Would it be possible to tweak sqlsmith to do this? -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
