On Fri, Aug 1, 2014 at 4:58 AM, Anastasia Lubennikova <lubennikovaav@gmail.com> wrote: > > Hi, hackers! > I work on a GSoC project "Index-only scans for GIST" > https://wiki.postgresql.org/wiki/Support_for_Index-only_scans_for_GIST_GSoC_2014 > > Repository is > https://github.com/lubennikovaav/postgres/tree/indexonlygist2 > Patch is in attachments. > > It includes index-only scans for multicolumn GIST and new regression test. > Fetch() method is realized for box and point opclasses. > > Documentation is not updated yet, but I'm going to do it till the end of GSoC. > > I've got one question about query with OR condition. It is the last query in regression test "gist_indexonly". It doesn't fail but it doensn't use index-only scans. Could someone explain to me how it works? > It seems to depend on build_paths_for_OR function. But I couldn't understand how. >
Very nice... please add your patch to the next commit fest [1].