| From: | Devrim GÜNDÜZ <devrim(at)gunduz(dot)org> |
|---|---|
| To: | George Silva <georger(dot)silva(at)gmail(dot)com> |
| Cc: | PGSQL Mailing List <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Finding the primary key of tables |
| Date: | 2010-08-03 19:33:40 |
| Message-ID: | 1280864020.2667.11.camel@hp-laptop2.gunduz.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Tue, 2010-08-03 at 16:13 -0300, George Silva wrote:
> I'm building a function which needs to know what is the primary key of
> a
> certain table (all in pgplsql).
>
> I was using select * from information_schema.key_column_usage where
> table_schema='foo' and table_name = 'aaa'; but that will give me
> multiple
> results in case of additional keys in the table.
>
> Any suggestions?
See pg_index.indisprimary column. If it is true, then the it is the PK
of given table.
Regards,
--
Devrim GÜNDÜZ
PostgreSQL Danışmanı/Consultant, Red Hat Certified Engineer
PostgreSQL RPM Repository: http://yum.pgrpms.org
Community: devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr
http://www.gunduz.org Twitter: http://twitter.com/devrimgunduz
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