On Thu, May 2, 2019 at 2:31 PM Amit Kapila <amit.kapil...@gmail.com> wrote:
> @@ -776,7 +776,10 @@ fsm_extend(Relation rel, BlockNumber fsm_nblocks)
> if ((rel->rd_smgr->smgr_fsm_nblocks == 0 ||
> rel->rd_smgr->smgr_fsm_nblocks == InvalidBlockNumber) &&
> !smgrexists(rel->rd_smgr, FSM_FORKNUM))
> + {
> smgrcreate(rel->rd_smgr, FSM_FORKNUM, false);
> + fsm_clear_local_map(rel);
> + }
>
> I think this won't be correct because when we call fsm_extend via
> vacuum the local map won't be already existing, so it won't issue an
> invalidation call. Isn't it better to directly call
> CacheInvalidateRelcache here to notify other backends that their local
> maps are invalid now?
Yes, you're quite correct.
--
John Naylor https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
