Heikki Linnakangas wrote: > I'm getting a bunch of warnings on Windows related to this: >> .\src\backend\storage\lmgr\predicate.c(768): warning C4307: '+' : >> integral constant overflow The part of the expression which is probably causing this: (MaxTransactionId + 1) / OLDSERXID_ENTRIESPERPAGE - 1 Which I fear may not be getting into overflow which will not do the right thing even where there is no warning. :-( Would it be safe to assume that integer division would do the right thing if we drop both of the "off by one" adjustments and use?: MaxTransactionId / OLDSERXID_ENTRIESPERPAGE -Kevin
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