On ons, 2011-09-28 at 22:42 -0400, Tom Lane wrote: > "Pierre Ducroquet" <p.p...@pinaraf.info> writes: > > [ the "hstore ? text" operator no longer matches an hstore GIST index ] > > Hmm ... this doesn't seem to be specific to either hstore or GIST; it's > a collation problem. The index is marked as having no collation, which > is reasonable since hstore is a collation-less type. However, the ? > OpExpr gets marked as having "default" collation because it has one > collatable input, namely the text constant. And then, > match_clause_to_indexcol decides the clause doesn't match the index. > > Not sure what to do about this. Is it okay to suppose that collation > can be ignored when matching to a collation-less index?
That sounds correct on first reading. -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs
