| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Tatsuhito Kasahara <kasahara(dot)tatsuhito(at)oss(dot)ntt(dot)co(dot)jp> |
| Cc: | pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: Patch for pgstatindex to fix a bug reporting a value of strange leaf_fragmentation |
| Date: | 2007-03-09 03:17:38 |
| Message-ID: | 20070309031738.GA19555@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-patches |
Tatsuhito Kasahara wrote:
> Hello.
>
> I found a bug in contrib/pgstatindex.c to reports a strange value of
> leaf_fragmentation with some cases.
> #Look the following test example.
>
> In GetBTPageStatistics(), stat->fragments is not initialized properly
> so that invalid leaf_fragments values are inserted in results.
Right. Checking that code, it seems btpo.xact is also being incorrectly
handled, is it not? Incidentally, the return value seems a bit useless.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
| Attachment | Content-Type | Size |
|---|---|---|
| pgstatindex.patch | text/x-diff | 2.7 KB |
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| Previous Message | Mark Stosberg | 2007-03-09 02:30:22 | suggestion for improving TMPDIR and "--format" docs for pg_dump |