Sergey Mavrinsky writes:
> create table t1
> (
> f1 integer,
> f2 integer
> );
>
> create table t2
> (
> f1 integer references t1(f1),
> f2 integer
> );
> begin transaction;
> insert into t1(f1,f2) values(1,1);
> delete from t1 where f1=1;
> ERROR: triggered data change violation on relation "t1"
You cannot change data twice within a transaction if there's a RI
constraint on the table. This is per SQL, nothing we can do about it.
--
Peter Eisentraut peter_e@gmx.net http://yi.org/peter-e/
