"H.J. Sanders" <hjs@xxxxxxx> writes: > The next query runs into error 57014 in about 50 % of the cases. We > certainly have not aborted the request. In the other 50 % it runs OK. The > statement is executed > in pgsql 7.4.8 Well, *something* sent that backend a SIGINT. You should look around for possible causes. I've heard that some kernels use SIGINT for resource-limit kills (ie, ulimit exceeded). regards, tom lane