Got it. Apologies for the false positive.
On Fri, May 2, 2014 at 4:07 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> dbaston@gmail.com writes:
> > If two items in an IN expression are separated by a newline instead of a
> > comma, those items will be ignored with no error.
>
> > CREATE TABLE testing (id varchar(1));
> > INSERT INTO testing VALUES ('1'), ('2'), ('3'), ('4'), ('5');
>
> > -- Missing comma produces a syntax error
> > SELECT * FROM testing WHERE id IN ('1' '2', '3');
>
> > -- Unless there is a newline
> > SELECT * FROM testing WHERE id IN ('1'
> > '2', '3');
>
> This is not a bug; what you've got there is the SQL-standard way of
> breaking a literal across lines. Compare
>
> select '1'
> '2', '3';
> ?column? | ?column?
> ----------+----------
> 12 | 3
> (1 row)
>
> regards, tom lane
>
