Обсуждение: naming a primary key possible?
Is it possible to name a primary key (composite) primary key rather than have pg default to table_name_pkey?? I tried something like primary key pkey_table_short_form_name (a,b,c) but it didnt' work.
On Aug 27, 2007, at 8:50 PM, Ow Mun Heng wrote: > Is it possible to name a primary key (composite) primary key rather > than > have pg default to table_name_pkey?? > > I tried something like > > primary key pkey_table_short_form_name (a,b,c) > > but it didnt' work. > Give this a shot: CONTRAINT pkey_table_short_form_name PRIMARY KEY (a,b,c) That's not really clear from the top of the CREATE TABLE docs but there's an example at the bottom that shows it. Erik Jones Software Developer | Emma® erik@myemma.com 800.595.4401 or 615.292.5888 615.292.0777 (fax) Emma helps organizations everywhere communicate & market in style. Visit us online at http://www.myemma.com
On Aug 27, 2007, at 20:50 , Ow Mun Heng wrote: > Is it possible to name a primary key (composite) primary key rather > than > have pg default to table_name_pkey?? > > I tried something like > > primary key pkey_table_short_form_name (a,b,c) create table tab (col text, constraint col_is_pkey primary key (col)); http://www.postgresql.org/docs/8.2/interactive/sql-createtable.html Michael Glaesemann grzm seespotcode net
On Mon, 2007-08-27 at 21:03 -0500, Erik Jones wrote: > On Aug 27, 2007, at 8:50 PM, Ow Mun Heng wrote: > > > Is it possible to name a primary key (composite) primary key rather > > than have pg default to table_name_pkey?? > > > > I tried something like > > > > primary key pkey_table_short_form_name (a,b,c) > > > Give this a shot: > > CONTRAINT pkey_table_short_form_name PRIMARY KEY (a,b,c) > > That's not really clear from the top of the CREATE TABLE docs but > there's an example at the bottom that shows it. This definitely works.. Thanks.. Indexes: "trd_pkey" PRIMARY KEY, btree (trd_pkey)