| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com> |
| Cc: | Petr Jelinek <petr(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Steve Singer <steve(at)ssinger(dot)info>, Andres Freund <andres(at)2ndquadrant(dot)com>, Anssi Kääriäinen <anssi(dot)kaariainen(at)thl(dot)fi>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Jaime Casanova <jaime(at)2ndquadrant(dot)com> |
| Subject: | Re: tracking commit timestamps |
| Date: | 2014-11-13 04:28:18 |
| Message-ID: | CAB7nPqTEh2eczkc6DUitFzv_f680Mh1EoS9HdyxX+NkbfbZCyw@mail.gmail.com |
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On Thu, Nov 13, 2014 at 7:56 AM, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com> wrote:
> On 11/12/14, 7:06 AM, Petr Jelinek wrote:
>>
>> - if the xid passed to get interface is out of range -infinity timestamp
>> is returned (I think it's bad idea to throw errors here as the valid range
>> is not static and same ID can start throwing errors between calls
>> theoretically)
>
>
> Wouldn't NULL be more appropriate?
Definitely. Defining a given value for information not valid is awkward.
--
Michael
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