Hello Tom,

in the mean time I've traced the problem down to a 'CONSTRAINT' declared as 'DEFERRABLE INITIALLY DEFERED'. As soon as I remove that constraint the transaction commits nicely. BTW: I'm running in ISOLATION LEVEL SERIALIZABLE, if that matters.

Has something changed so that it's worth trying current CVS? I'll try to come up with a test case, the problem is not easy to isolate, though.

Regards

Markus

Tom Lane wrote:
Markus Schiltknecht <[EMAIL PROTECTED]> writes:
I'm getting the following error from my python script, which tries to insert lots of data in one transaction:
libpq.OperationalError: ERROR:  failed to fetch new tuple for AFTER trigger

That's not supposed to happen.  Can you provide a test case?

                        regards, tom lane

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