On Thu, Apr 16, 2020 at 12:40:24PM +1200, David Rowley wrote: > On Thu, 16 Apr 2020 at 11:52, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote: >> That looks like it'll fail on a null result. > > Thanks. I'll have another go then.
Shouldn't you have more regression test cases here? I guess one for the non-NULL case, and one for the NULL case? -- Michael