On Tue, 2002-06-04 at 21:21, Zhou, Lixin wrote:
> I like to create a trigger on table A. When a new row is inserted into A
> (ex: with i = 5), I like to have the trigger inserts a new row in table B
> whose field "i" has the same value as that of the A's (ex: i = 5).
>
> As I do this, the error message is something like: "referential integration
> violation - key referenced in B not found in A". This makes sense to me
> since at the time the trigger inserts in B, A's new row is not visible yet
> -- not committed yet.
>
> How can I solve this problem using trigger?
Declare the foreign key constraints deferrable and defer them in the
session; they will be checked only at the end of the transaction.
--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight http://www.lfix.co.uk/oliver
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839 932A 614D 4C34 3E1D 0C1C
"Let your conversation be without covetousness; and be
content with such things as ye have. For he hath said,
I will never leave thee, nor forsake thee."
Hebrews 13:5
