Re: Server process exited with status 139 (meaning?)

Ed Loehr wrote:
>
> > > > I have a query crashing the backend and leaving this message in the
> > > > server log...
> > > > What does exit status 139 mean?
> > >
> > > The backend terminated because of a segmentation fault (note 139 = 128 +
> > > 11, 11 = SIGSEGV). So it's definitely a bug and we'd need to see the
> > > query.
> >
> > I don't need help on this as I found workable queries for my purposes,
> > but here is a simplified core-dumper (7.0beta3) for posterity...
>
> Oops. A few typos in my last post. Correction below (still
> segfaulting):
>
> DROP TABLE foo;
> CREATE TABLE foo (d date);
> CREATE UNIQUE INDEX date_uidx ON foo(d);
> CREATE UNIQUE INDEX datetime_uidx ON foo(datetime(d));
> INSERT INTO foo (d) VALUES ('17-Jun-1995');
> INSERT INTO foo (d) VALUES ('18-Jun-1995');
> INSERT INTO foo (d) VALUES ('19-Jun-1995');
>
> DROP TABLE bar;
> DROP SEQUENCE bar_id_seq;
> CREATE TABLE bar (
> id SERIAL,
> start_time DATETIME,
> duration FLOAT
> );
> INSERT INTO bar (start_time, duration) VALUES ('17-Jun-1995', 3);
> INSERT INTO bar (start_time, duration) VALUES ('18-Jun-1995', 3);
> INSERT INTO bar (start_time, duration) VALUES ('19-Jun-1995', 3);
>
> DROP TABLE baz;
> DROP SEQUENCE baz_id_seq;
> CREATE TABLE baz (
> id SERIAL,
> bar_id DATETIME,
^^^^^^^^^

One more typo: 'bar_id' should be of type INTEGER (and the crash
remains).

Regards,
Ed Loehr

> duration FLOAT
> );
> INSERT INTO baz (bar_id, duration) SELECT id, duration FROM bar;
>
> -- Here's the offending query...
> SELECT f.d, r.start_time::date, r.duration AS "r_dur",
> z.duration AS "z_dur", f.d,
> (r.start_time - '1 day'::interval)::date AS "leave",
> (r.start_time + (z.duration||' days')::interval)::date AS "return"
> FROM foo f, bar r, baz z
> WHERE r.id = 2
> AND z.bar_id = 2
> AND (f.d = (r.start_time - '1 day'::interval)::date
> OR f.d = (r.start_time + (z.duration||' days')::interval));