Manuel Sugawara <masm(at)fciencias(dot)unam(dot)mx> writes:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> 8.2 is a good bit more conservative than previous releases about
>> optimizing views involving volatile functions, so I'm wondering whether
>> that could have anything to do with it ...
> Just out of curiosity, why the change?
People complained about getting wrong/surprising answers due to
unexpected multiple evaluations of volatile functions.
regards, tom lane