karthikeyan <karthi@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > > I am trying to increase size of the column which was/is part of the Primary. > > Exiting table > CREATE TABLE test_dim_store > ( > storek integer NOT NULL DEFAULT > nextval('dim_store_storek_seq1'::regclass), > retailerk character varying(10) NOT NULL, > store_nbr character varying(5) NOT NULL, > store_name character varying(25) NOT NULL, > CONSTRAINT test_dim_store_pkey PRIMARY KEY (retailerk, store_nbr) > ) > WITHOUT OIDS; > > I am trying to increase size of the column - store_nbr (which was part of > the Primary) from Varchar(5) to varchar(10). > > I tried the following : > 1) drop the Primary key - ALTER TABLE test_dim_store DROP CONSTRAINT > test_dim_store_pkey ; > 2) Increase the size of Column - store_nbr - ALTER TABLE test_dim_store > ALTER COLUMN store_nbr TYPE varchar(10); > > Error message: > > > ERROR: xdb-83016: cannot alter scatter column > relation "test_dim_store" column "store_nbr" > > ********** Error ********** > > ERROR: xdb-83016: cannot alter scatter column > relation "test_dim_store" column "store_nbr" > SQL state: 42809 works for me: test=# create sequence dim_store_storek_seq1; CREATE SEQUENCE Time: 1,029 ms test=*# CREATE TABLE test_dim_store test-# ( test(# storek integer NOT NULL DEFAULT test(# nextval('dim_store_storek_seq1'::regclass), test(# retailerk character varying(10) NOT NULL, test(# store_nbr character varying(5) NOT NULL, test(# store_name character varying(25) NOT NULL, test(# CONSTRAINT test_dim_store_pkey PRIMARY KEY (retailerk, store_nbr) test(# ) test-# WITHOUT OIDS; NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "test_dim_store_pkey" for table "test_dim_store" CREATE TABLE Time: 83,074 ms test=*# alter table test_dim_store alter column store_nbr type varchar(10); ALTER TABLE Time: 19,384 ms I'm using 9.1.2. Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general