Re: Report: race conditions in WAL replay routines

On Mon, Feb 6, 2012 at 6:32 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Simon Riggs <simon@2ndQuadrant.com> writes:
>> The existing errmsg of "tablespace is not empty" doesn't cover all
>> reasons why tablespace was not removed.
>
> Yeah, in fact that particular statement is really pretty bogus for the
> replay case, because as the comment says we know that the tablespace
> *is* empty so far as full-fledged database objects are concerned.
>
>> The final message should have
>> errmsg "tablespace not fully removed"
>> errhint "you should resolve this manually if it causes further problems"
>
> Planning to go with this:
>
>                         errmsg("directories for tablespace %u could not be removed",
>                                xlrec->ts_id),
>                         errhint("You can remove the directories manually if necessary.")));
>
> I thought about an errdetail, but the preceding LOG entries from
> destroy_tablespace_directories should provide the details reasonably
> well.

Looks good.

--
 Simon Riggs                   http://www.2ndQuadrant.com/
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