| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Greg Stark <gsstark(at)mit(dot)edu>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Teodor Sigaev <teodor(at)sigaev(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
| Subject: | Re: B-tree parent pointer and checkpoints |
| Date: | 2011-03-11 11:26:41 |
| Message-ID: | 4D7A06F1.8050108@enterprisedb.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On 10.03.2011 22:50, Bruce Momjian wrote:
> Bruce Momjian wrote:
>>
>> Has this been addressed?
>
> I see we have with this commit:
>
> 9de3aa65f01fb51cbc725e8508ea233e4e92c46c
We fixed GiST. B-tree still has the issue that if you have a checkpoint
in the middle of an insert, and crash, you might be left with a leaf
node without a downlink in the parent.
That's relatively harmless, index searches and insertions work without
the downlink. However, there's code in page deletion that ERRORs if the
parent can't be found. That should be fixed.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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