> On Mon, 12 Nov 2018 at 13:55, Dmitry Dolgov <9erthali...@gmail.com> wrote:
>
> > On Mon, 12 Nov 2018 at 13:29, Sergei Kornilov <s...@zsrv.org> wrote:
> >
> > I found reproducible crash due assert failure: FailedAssertion("!(numCols >
> > 0)", File: "pathnode.c", Line: 2795)
> > > create table tablename (i int primary key);
> > > select distinct i from tablename where i = 1;
> > Query is obviously strange, but this is bug.
>
> Wow, thanks a lot! I can reproduce it too, will fix it.Yep, we had to check number of distinct columns too, here is the fixed patch (with a bit more verbose commit message).
0001-Index-skip-scan-with-fallback-v3.patch
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