From: | Raghavendra <raghavendra(dot)rao(at)enterprisedb(dot)com> |
---|---|
To: | Rich Shepard <rshepard(at)appl-ecosys(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Adding PK to Existing Table |
Date: | 2011-04-01 15:43:52 |
Message-ID: | AANLkTi=GfGQpA3bp=T0jehuSC7TEp5pVrOtUK+QxY1jN@mail.gmail.com |
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Lists: | pgsql-general |
Try out this...
alter table <table name> add primary key(column name);
Best Regards,
Raghavendra
EnterpriseDB Corporation
On Fri, Apr 1, 2011 at 9:09 PM, Rich Shepard <rshepard(at)appl-ecosys(dot)com>wrote:
> In -9.0.3 I used ALTER TABLE to replace a varchar() column with a bigint
> column so it can be assigned as the table's primary key. From the 9.0.3
> manual I tried various flavors of ALTER TABLE <tablename> ADD CONSTRAINT
> but
> cannot find the proper syntax to create the PK. Do I need to first make the
> column UNIQUE, then add a NOT NULL constraint?
>
> Rich
>
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