Re: ERROR: Memory exhausted in AllocSetAlloc(188) - Mailing list pgsql-general

On Sat, May 17, 2003 at 01:29:10PM +1000, Martijn van Oosterhout wrote:
> On Sun, May 11, 2003 at 06:21:28PM +0200, Tilo Schwarz wrote:
> > Dear Postgresql gurus,
> >
> > I have a problem (7.3.1 on linux) with a query eating all my memory. First it
> > take 2G RAM and then 2G swap. Now I saw, that 7.3.2 addresses some memory
> > issues, could my problem solved by upgrading to 7.3.2?
> >
> > Thanks a lot, description follows
> >
> >     Tilo
> >
> > (the query involves a table with 33925848 rows, but only a few thousand rows
> > should be returned)
>

I'm having the same problem...

INSERT INTO zip4 (carrt_id
            , add_on_low
            , add_on_high)
    SELECT cr.carrt_id
            , to_number(
                    CASE WHEN coalesce(zip_add_on_low_no, zip_add_on_high_no) LIKE '%ND'
                        THEN '-1'
                        ELSE coalesce(zip_add_on_low_no, zip_add_on_high_no)
                    END
                , '0')
            , to_number(
                    CASE WHEN zip_add_on_high_no LIKE '%ND'
                        THEN '-1'
                        ELSE zip_add_on_high_no
                    END
                , '0')
        FROM zip_carrt zc, postal_code pc, carrt cr
        WHERE pc.postal_code = zc.zip_code
            AND cr.postal_code_id = pc.postal_code_id
            AND cr.car_rt_code = zc.carrier_route_id
;
ERROR:  Memory exhausted in AllocSetAlloc(108)

usps=# \d zip_carrt
               Table "public.zip_carrt"
       Column       |         Type         | Modifiers
--------------------+----------------------+-----------
 zip_code           | character varying(5) |
 carrier_route_id   | character varying(4) |
 zip_add_on_low_no  | character varying(4) |
 zip_add_on_high_no | character varying(4) |

usps=# \d postal_code
                                            Table "public.postal_code"
     Column     |         Type          |
Modifiers
----------------+-----------------------+-------------------------------------------------------------------------
 postal_code_id | integer               | not null default
nextval('public.postal_code_postal_code_id_seq'::text)
 postal_code    | character varying(10) | not null
 state_code     | character(2)          |
Indexes: postal_code_pkey primary key btree (postal_code_id),
         postal_code_postal_code_key unique btree (postal_code)
Foreign Key constraints: $1 FOREIGN KEY (state_code) REFERENCES state(state_code) ON UPDATE NO ACTION ON DELETE NO
ACTION

usps=# \d carrt
                                        Table "public.carrt"
     Column     |         Type         |
Modifiers
----------------+----------------------+-------------------------------------------------------------
 carrt_id       | integer              | not null default
nextval('public.carrt_carrt_id_seq'::text)
 postal_code_id | integer              | not null
 car_rt_code    | character varying(5) | not null
Indexes: carrt_pkey primary key btree (carrt_id),
         carrt_postal_code_id_key unique btree (postal_code_id,
car_rt_code)
Foreign Key constraints: $1 FOREIGN KEY (postal_code_id) REFERENCES postal_code(postal_code_id) ON UPDATE NO ACTION ON
DELETENO ACTION 

usps=# select count(*) from postal_code;
 count
-------
 42678
(1 row)

usps=# select count(*) from carrt;
 count
--------
 627814

zip_carrt is ~35M rows, and zip4 is empty.
--
Jim C. Nasby (aka Decibel!)                    jim@nasby.net
Member: Triangle Fraternity, Sports Car Club of America
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