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From: Fujii Masao on 6 Apr 2010 21:58
On Tue, Apr 6, 2010 at 11:48 PM, Heikki Linnakangas
<heikki.linnakangas(a)enterprisedb.com> wrote:
> Fujii Masao wrote:
>> On Tue, Apr 6, 2010 at 8:02 PM, Fujii Masao <masao.fujii(a)gmail.com> wrote:
>>>> Should we throw an error in pg_xlogfile_name() if called during
>>>> recovery? It's not doing anything useful as it is.
>>> I have no objection for now.
>>
>> Here is the patch.
>> ...
>> +     if (RecoveryInProgress())
>> +             ereport(ERROR,
>> +                             (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
>> +                              errmsg("recovery is in progress"),
>> +                              errhint("WAL control functions cannot be executed during recovery.")));
>> +
>
> The hint is a bit confusing for pg_xlogfile_name(). pg_xlogfile_name()
> is hardly a WAL control function like pg_start/stop_backup() are. How
> about "pg_xlogfile_name() cannot be executed during recovery."?

OK. Here is the revised patch.

Regards,

--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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