On Wed, 23 Oct 2019 at 16:55, Ron <ronljohnsonjr@gmail.com> wrote:
> Then -- since the 'e' is separated from 'd' by a comma, the result should be
> "4", not "3".
>
> No doubt: it's a bug, no matter what the Pg devs say.
I'm confused why you consider that to be true. The count is checking
for columns containing the strings 'a', 'b', 'cd' or 'e'. There is not
one with 'cd', so the correct result is 3.
Geoff