"Merlin Moncure" <mmoncure@gmail.com> writes: > Following is a patch to force the path type not to accept a path with > zero points. This appears to be illegal in the parser, but possible > when sending a well formed packed in binary with zero points. Hmm, looks like poly_recv has the same mistake. Ideally I think it'd be a good idea if these types did allow zero elements, but that would clearly be a feature extension more than a bug fix, since the implications aren't entirely obvious. I concur with disallowing the case for existing branches. Will go apply. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match