[GENERAL] pqReadData() -- backend closed the channel unexpectedly.

I have recently installed postgresql 6.4.2 on a Linux 2.2.0 box, and I keep getting this error message when I queue a a few queries in a Perl script: pqReadData() -- backend closed the channel unexpectedly. My script has a loop that performs three queries for every hour of a single day: the firs

Re: [GENERAL] pqReadData() -- backend closed the channel unexpect edly.

Thanks a lot for your suggestion, that in fact gets me through the loop. Only problem is, I need to group by origine and get that sum(bytes) and by destinazione and get that sum(bytes). They are different. Your statement only groups for origine (in fact it groups by address, which is non-existent