On Tue, Oct 3, 2017 at 3:12 PM, Andres Freund <andres@anarazel.de> wrote:
> On 2017-10-03 03:07:09 +0300, Alexander Korotkov wrote:
>> On Tue, Oct 3, 2017 at 12:32 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> +1,
>> I see 3 options there:
>> 1) Drop high-order bit, as you proposed.
>> 2) Allow negative queryIds.
>> 3) Implement unsigned 64-type.
>
> 4) use numeric, efficiency when querying is not a significant concern here
> 5) use a custom type that doesn't support arithmetic, similar to pg_lsn.
Why not just returning a hexa-like text?
--
Michael
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