Tom Lane <t...@sss.pgh.pa.us> wrote: > So, what are the consequences if a compiler allows the expression > to overflow to zero? Does this mean that beta3 is dangerously > broken? The risk to anyone not using serializable transactions is most definitely zero. I've been running with this patch in my daily tests (including the isolation tests and `make installcheck-world` with default_transaction_isolation = 'serializable' without seeing any problems. The best way to check would be to run the isolation tests on a platform reporting the overflow. -Kevin
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