Greg Stark <[EMAIL PROTECTED]> writes:
> Tom Lane <[EMAIL PROTECTED]> writes:
>> (Also, I have been harboring some notions of supporting cross-type hash
>> joins for integer types, which will not work unless small int8 values hash
>> the same as int4 etc.)

> The obvious way to modify the hash function is to xor the high 32 bits with
> the low 32 bits. That maintains the property you need

No it doesn't ...

                        regards, tom lane

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