Subject Re: [firebird-support] Help with Add Constraint Foreign Key on cascade delete
Author Hardee Mahoney
Thanks so much, Mark!


On Sat, May 16, 2009 at 4:44 AM, Mark Rotteveel <Avalanche1979@...>wrote:

>
>
> Hardee Mahoney wrote:
> > Hello,
> >
> > I am trying to set up an Foreign Key with a cascade delete but am getting
> an
> > error message
> >
> > My tables are:
>
> [....
>
> >
> > The error message (in FlameRobin) is
> >
> > SQL Message: -530
> > violation of FOREIGN KEY constraint ""
> > Engine Code: 335544466
> > violation of FOREIGN KEY constraint "INTEG_2189" on table
> INFLATIONDATASETS
> > Foreign key reference target does not exist
> >
> > The INTEG_2189 constraint is the primary key on InflationDatasets.
> >
> > I hope someone can indicate to me where I am going wrong. I have a lot of
> > tables I would like to develope similar delete cascades for.
>
> I can reproduce this in Firebird 2.1.2 and 2.5 beta 1 if there is a
> record in INFLATIONENTRIES with an INFLATIONDATASETID that does not
> exist in INFLATIONDATASETS.
>
> In Firebird 2.1.2 the message is exactly like yours, in Firebird 2.5
> beta 1 the message is (slightly) better:
> SQL Message : -530
> violation of FOREIGN KEY constraint ""
>
> Engine Code : 335544466
> Engine Message :
> violation of FOREIGN KEY constraint "FK_INFLATIONENTRIES" on table
> "INFLATIONENTRIES"
> Foreign key reference target does not exist
>
> So to fix this, you will need to add the missing INFLATIONDATASETID into
> INFLATIONDATASETS.
>
> --
> Mark Rotteveel
>
>


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