Re: Specifying both recovery_target_xid and recovery_target_time - Mailing list pgsql-hackers

On 8 January 2014 15:38, Heikki Linnakangas <hlinnakangas@vmware.com> wrote:
> The docs say:
>
>> At most one of recovery_target_time, recovery_target_name or
>> recovery_target_xid can be specified
>
>
> However, the code actually allows them all to be specified at the same time:
>
>>                 else if (strcmp(item->name, "recovery_target_name") == 0)
>>                 {
>>                         /*
>>                          * if recovery_target_xid specified, then this
>> overrides
>>                          * recovery_target_name
>>                          */
>>                         if (recoveryTarget == RECOVERY_TARGET_XID)
>>                                 continue;
>>                         recoveryTarget = RECOVERY_TARGET_NAME;
>
>
> The precedence is XID, time, name.
>
> I think the documented behavior would make more sense, ie. throw an error if
> you try to specify multiple targets. Anyone remember if that was
> intentional? Any objections to change the code to match the docs, in master?

It seems like I was grasping at some meaning but didn't quite achieve it.

Changing it to mean OR would make sense, but that would be more work.

-- Simon Riggs                   http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services