Primary key
hello,
i have a question about the PRIMARY KEY,
how can we let it start from for example 1000 instead of 1?
This is our program:
CREATE TABLE hy3_pack
(
hy3_id serial NOT NULL,
hy3_serie_nummer text NOT NULL,
hy3_barcode text NOT NULL,
hy3_type_vulling text NOT NULL,
hy3_tarra_gewicht text,
hy3_artikel_id numeric NOT NULL,
hy3_refill boolean,
vernietigd boolean,
opmerking text,
CONSTRAINT hy3_pack_pkey PRIMARY KEY (hy3_id)
)
WITH (
OIDS=FALSE
);
ALTER TABLE hy3_pack OWNER TO postgres;
what must i change in my program?
Met vriendelijke groeten,
Peter Evens
BANDIT nv/sa
Nijverheidslaan 1547
B-3660 Opglabbeek
België
Tel. 0032/89/85.85.65
Fax 0032/89/51.85.47
peter@bandit.be
On Mon, Mar 14, 2011 at 10:58 AM, Peter Evens <peter@bandit.be> wrote:
hello,
i have a question about the PRIMARY KEY,
how can we let it start from for example 1000 instead of 1?
This is our program:
CREATE TABLE hy3_pack
(
hy3_id serial NOT NULL,
hy3_serie_nummer text NOT NULL,
hy3_barcode text NOT NULL,
hy3_type_vulling text NOT NULL,
hy3_tarra_gewicht text,
hy3_artikel_id numeric NOT NULL,
hy3_refill boolean,
vernietigd boolean,
opmerking text,
CONSTRAINT hy3_pack_pkey PRIMARY KEY (hy3_id)
)
WITH (
OIDS=FALSE
);
ALTER TABLE hy3_pack OWNER TO postgres;
what must i change in my program?
Met vriendelijke groeten,
Peter Evens
BANDIT nv/sa
Nijverheidslaan 1547
B-3660 Opglabbeek
België
Tel. 0032/89/85.85.65
Fax 0032/89/51.85.47
peter@bandit.be
Not sure about SERIAL. In postgreSQL we have sequence database object
("http://www.postgresql.org/docs/9.0/interactive/sql-createsequence.html").
Perhaps the DDL SQL statements below may help.
CREATE SEQUENCE hy3_pack_seq MINVALUE 1000;
CREATE TABLE hy3_pack
(
hy3_id INTEGER NOT NULL DEFAULT nextval('hy3_pack_seq') -- or hy3_id
BIGINT NOT NULL DEFAULT nextval('hy3_pack_seq')
,hy3_serie_nummer text NOT NULL
,hy3_barcode text NOT NULL
,hy3_type_vulling text NOT NULL
,hy3_tarra_gewicht text
,hy3_artikel_id numeric NOT NULL
,hy3_refill boolean
,vernietigd boolean
,opmerking text
,CONSTRAINT hy3_pack_pkey PRIMARY KEY(hy3_id)
)
;
Allan.
On 14/03/2011 15:35, Allan Kamau wrote:
CREATE SEQUENCE hy3_pack_seq MINVALUE 1000;
CREATE TABLE hy3_pack
(
hy3_id INTEGER NOT NULL DEFAULT nextval('hy3_pack_seq') -- or hy3_id
BIGINT NOT NULL DEFAULT nextval('hy3_pack_seq')
That's what SERIAL does for you, in one go - it's just syntactic sugar
for the above. Read all about it here:
http://www.postgresql.org/docs/9.0/static/datatype-numeric.html#DATATYPE-SERIAL
Ray.
--
Raymond O'Donnell :: Galway :: Ireland
rod@iol.ie
On 14/03/2011 15:56, Raymond O'Donnell wrote:
On 14/03/2011 15:35, Allan Kamau wrote:
CREATE SEQUENCE hy3_pack_seq MINVALUE 1000;
CREATE TABLE hy3_pack
(
hy3_id INTEGER NOT NULL DEFAULT nextval('hy3_pack_seq') -- or hy3_id
BIGINT NOT NULL DEFAULT nextval('hy3_pack_seq')That's what SERIAL does for you, in one go - it's just syntactic sugar
for the above.
....with the exception of the MINVALUE bit, of course... :-)
Ray.
--
Raymond O'Donnell :: Galway :: Ireland
rod@iol.ie
On Mon, 2011-03-14 at 16:03 +0000, Raymond O'Donnell wrote:
On 14/03/2011 15:56, Raymond O'Donnell wrote:
On 14/03/2011 15:35, Allan Kamau wrote:
CREATE SEQUENCE hy3_pack_seq MINVALUE 1000;
CREATE TABLE hy3_pack
(
hy3_id INTEGER NOT NULL DEFAULT nextval('hy3_pack_seq') -- or hy3_id
BIGINT NOT NULL DEFAULT nextval('hy3_pack_seq')That's what SERIAL does for you, in one go - it's just syntactic sugar
for the above.....with the exception of the MINVALUE bit, of course... :-)
You can update the dependent sequence that serial creates though.
JD
Ray.
--
Raymond O'Donnell :: Galway :: Ireland
rod@iol.ie
--
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