On Tue, Oct 20, 2020 at 11:10 AM Peter Eisentraut <peter.eisentr...@2ndquadrant.com> wrote: > On 2020-10-20 01:32, Andres Freund wrote: > > How does this deal with row types with a field that doesn't have a hash > > function? Erroring out at runtime could cause queries that used to > > succeed, e.g. because all fields have btree ops, to fail, if we just have > > a generic unconditionally present hash opclass? Is that an OK > > "regression"? > > Good point. There is actually code in the type cache that is supposed > to handle that, so I'll need to adjust that.
Do we need to worry about what happens if somebody modifies the opclass/opfamily definitions? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company