From: | Byron Nikolaidis <byronn(at)insightdist(dot)com> |
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To: | Michael Davis <michael(dot)davis(at)prevuenet(dot)com> |
Cc: | "'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 15:37:57 |
Message-ID: | 36D56E55.5D42F476@insightdist.com |
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Lists: | pgsql-hackers pgsql-interfaces pgsql-sql |
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 correctly
> 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 representing
> parent/child or master/detail tables. For example: orders and orderlines.
> 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.
Byron
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