Ron <ronljohnsonjr(at)gmail(dot)com> writes:
> On 10/23/19 10:51 AM, Geoff Winkless wrote:
>> Two string constants that are only separated by whitespace with at
>> least one newline are concatenated and effectively treated as if the
>> string had been written as one constant.
> Then -- since the 'e' is separated from 'd' by a comma, the result should be
> "4", not "3".
No, because your command is equivalent to
select count(*) from bugtest where fld1 in ('a','b','cd','e');
'cd' does not match any of the table rows, so 3 is the correct answer.
> No doubt: it's a bug, no matter what the Pg devs say.
Complain to the SQL standards committee, not us.
regards, tom lane