Re: [HACKERS] 64-bit queryId?

Peter Geoghegan <pg@bowt.ie> writes:
> You need to change the SQL interface as well, although I'm not sure
> exactly how. The problem is that you are now passing a uint64 queryId
> to Int64GetDatumFast() within pg_stat_statements_internal(). That
> worked when queryId was a uint32, because you can easily represent
> values <= UINT_MAX as an int64/int8. However, you cannot represent the
> second half of the range of uint64 within a int64/int8. I think that
> this will behave different depending on USE_FLOAT8_BYVAL, if nothing
> else.

Maybe intentionally drop the high-order bit, so that it's a 63-bit ID?
        regards, tom lane


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