| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Juan Manuel Fernandez <jmfernandez(at)unlu(dot)edu(dot)ar> |
| Cc: | Lista - PostgreSQL <pgsql-es-ayuda(at)postgresql(dot)org> |
| Subject: | Re: Consulta Foreign Key |
| Date: | 2008-04-28 22:16:28 |
| Message-ID: | 20080428221628.GJ5761@alvh.no-ip.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-es-ayuda |
Juan Manuel Fernandez escribió:
> Hasta que lo que yo se una foreign key debe reflejar algun valor que
> este en la tabla que referencia o debe ser nula...
>
> Que esta pasando? ya estoy mareado :(
>
> Warning: pg_query() [function.pg-query]: Query failed: ERROR: insert
> or update on table "t_asignaturas_dictadas" violates foreign key
> constraint "fkc_reglamentan0002" DETAIL: Key (nro_disposicion)=() is
> not present in table "t_programas". in C:\xampp\htdocs\alta_oferta.php
> on line 49
Un string vacio no es lo mismo que un NULL.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jaime Casanova | 2008-04-28 22:37:19 | Re: PROGRAMAR VACCUMM |
| Previous Message | Juan Manuel Fernandez | 2008-04-28 22:14:06 | Re: Consulta Foreign Key |