Re: Report: race conditions in WAL replay routines

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.
        regards, tom lane