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RE: [INTERFACES] Foreign Keys

From: Michael Davis <michael(dot)davis(at)prevuenet(dot)com>
To: "'pgsql-interfaces(at)postgreSQL(dot)org'" <pgsql-interfaces(at)postgreSQL(dot)org>, pgsql postgres <pgsql-sql(at)postgreSQL(dot)org>, pgsql-hackers(at)postgreSQL(dot)org
Subject: RE: [INTERFACES] Foreign Keys
Date: 1999-02-25 16:45:41
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackerspgsql-interfacespgsql-sql
Excellent!  I will start working on it. 

	-----Original Message-----
	From:	Byron Nikolaidis [SMTP:byronn(at)insightdist(dot)com]
	Sent:	Thursday, February 25, 1999 8:38 AM
	To:	Michael Davis
	Cc:	'pgsql-interfaces(at)postgreSQL(dot)org'; pgsql postgres;
	Subject:	Re: [INTERFACES] Foreign Keys

	Michael Davis wrote:

	> What is the possibility of recording foreign keys (a partial
foreign key
	> implementation) in the database such that the ODBC interface can
	> report them to client applications?  This would require an
enhancement to
	> Postgres and to the ODBC driver for Postgres.  I have a problem
with Access
	> 97 not working properly with forms that contain sub forms
	> parent/child or master/detail tables.  For example: orders and
	> I think this is caused by the lack of foreign key support.  I am
basing this

	The driver does support SQLForeignKeys.  It does say it supports
this function
	in SQLFunctions.

	However, the current implementation is based on the SPI/trigger
stuff from the
	pg_trigger table.  If you don't have any trigger info, then
SQLForeignKeys will
	not report anything.  This is most likely the problem.


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