Ron <ronljohnsonjr@xxxxxxxxx> 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