Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> #3 0x083a1dfe in ExceptionalCondition (conditionName=0x8505474
> "!(innerstartsel <= innerendsel)", errorType=0x83db178
> "FailedAssertion", fileName=0x8505140 "costsize.c", lineNumber=1937)
> at assert.c:57
[ scratches head ... ] Given that it got past the previous assertions,
surely that ought to be impossible. Could we see the values of
cost_mergejoin's local variables, please?
regards, tom lane