Hiroshi Inoue <Inoue@tpf.co.jp> writes:
> ExecProcNode doesn't return unless
> it finds a tuple which satisfies the qualification.
Oh, of course you are right. I guess there should be
CHECK_FOR_INTERRUPTS in the per-tuple loops of nodeSeqscan.c
and nodeIndexscan.c, as well. Joins should be okay, since they
get their inputs from lower-level ExecProcNode calls.
regards, tom lane