| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> | 
|---|---|
| To: | Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> | 
| Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> | 
| Subject: | Re: Failure in contrib test _int on loach | 
| Date: | 2019-04-30 16:32:35 | 
| Message-ID: | 7b4164ca-890e-2d78-1c1c-9b7c1783c020@sigaev.ru | 
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| Thread: | |
| Lists: | pgsql-hackers | 
Hi!
> So, if other hackers are agreed with my reasoning, the suggested fix is 
> sufficient and can be committed.
> 
Patch looks right, but I think that comment should be improved in follow piece:
         if (stack->blkno != GIST_ROOT_BLKNO &&
-           stack->parent->lsn < GistPageGetNSN(stack->page))
+           ((stack->parent->lsn < GistPageGetNSN(stack->page)) ||
+            stack->retry_from_parent == true))
         {
             /*
              * Concurrent split detected. There's no guarantee that the
		....
Not only concurrent split could be deteced here and it was missed long ago. But 
this patch seems a good chance to change this comment.
-- 
Teodor Sigaev                                   E-mail: teodor(at)sigaev(dot)ru
                                                    WWW: http://www.sigaev.ru/
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