Re: find foreign key name

On Dec 18, 2007, at 10:36 , Heikki Linnakangas wrote:

> Tore Halset wrote:
>> I want to programatically drop a foreign key constraint via jdbc.  
>> How can I find the foreign key name for a PostgreSQL foreign key  
>> via jdbc? I know all about the related tables and columns, but not  
>> the name of the constraint.
>
> You can query the pg_constraint catalog table:
>
> http://www.postgresql.org/docs/8.2/interactive/catalog-pg-constraint.html
>
> There seems to be some example queries in the user comments that you  
> might be interested.

Thanks. I was hoping for something easy in  
DatabaseMetaData#getExportedKeys.. :) But looking at pg_constraint  
should work fine.

Regards,
  - Tore.