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Re: InstantDB: foreign keys


Brett

FK support will be added in 3.20 beta 2 (available soon). Prior to that
release, it's just best not to include an FK clauses. The CONSTRAINT syntax
won't be supported at first however, only the REFERENCES syntax.

Regards

Peter Hearty
Lutris Technologies (UK)
----- Original Message -----
From: "Brett McLaughlin" <brett.mclaughlin@lutris.com>
To: <instantdb@enhydra.org>
Sent: Tuesday, August 22, 2000 2:52 AM
Subject: InstantDB: foreign keys


> Looking at the docs page, it looks like foreign keys are ignored - in
> other words, there is no referential integrity in InstantDB. Is this
> still true? In either case, what particular CREATE statement is
> supported for the FOREIGN KEY or REFERENCES construct? I'm an old Oracle
> guy, and syntax accepted there appears to be bombing on InstantDB. In
> particular, the
>
> CREATE TABLE foo (
>   colName INT,
>   CONSTRAINT colName ...
> );
>
> style syntax (which I thought was ANSI-92 compliant) doesn't get
> accepted. Anyone want to post a simple foreign key example that works on
> InstantDB? Much appreciated. It might be nice to have one of these in
> the examples (sql1.txt, sql2.txt, etc.) as well - that's how I figured
> out that InstantDB likes
>
> CREATE TABLE foo (
>   colName INT PRIMARY KEY NOT NULL
> );
>
> for example, as opposed to
>
> CREATE TABLE foo (
>   colName INT NOT NULL,
>   CONSTRAINT foo$pk PRIMARY KEY (colName)
> );
>
> Thanks,
> Brett
>
> --
> Brett McLaughlin, Enhydra Strategist
> Lutris Technologies, Inc.
> 1200 Pacific Avenue, Suite 300
> Santa Cruz, CA 95060 USA
> http://www.lutris.com
> http://www.enhydra.org
> --------------------------------------------------------------------------
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