Re: pgstattuple extension for indexes

From: Satoshi Nagayasu <nagayasus(at)nttdata(dot)co(dot)jp>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org, pgsql-patches(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, ishii(at)sraoss(dot)co(dot)jp
Subject: Re: pgstattuple extension for indexes
Date: 2006-08-10 02:14:18
Message-ID: 44DA967A.9010608@nttdata.co.jp
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers pgsql-patches

Bruce,

I'll fix it in this week. Please wait a few days.
Thanks.

Bruce Momjian wrote:
> nagayasu-san,
>
> This looks good, but we would like the code added to
> /contrib/pgstattuple, rather than it being its own /contrib module. Can
> you make that adjustment? Thanks.
>
> ---------------------------------------------------------------------------
>
> satoshi nagayasu wrote:
>> Hi folks,
>>
>> As I said on -PATCHES, I've been working on an utility to get
>> a b-tree index information. I'm happy to introduce
>> my new functions to you.
>>
>> pgstattuple module provides a `pgstatindex()`, and other small
>> functions, which allow you to get b-tree internal information.
>> I believe this module will be helpful to know b-tree index deeply.
>>
>> So please try it, send comment to me, and have fun.
>>
>> Thanks,
>> --
>> NAGAYASU Satoshi <nagayasus(at)nttdata(dot)co(dot)jp>
>>
>> -----------------------------------------------------
>> pgbench=# \x
>> Expanded display is on.
>> pgbench=# SELECT * FROM pgstatindex('accounts_pkey');
>> -[ RECORD 1 ]------+--------
>> version | 2
>> tree_level | 1
>> index_size | 3588096
>> root_block_no | 3
>> internal_pages | 0
>> leaf_pages | 437
>> empty_pages | 0
>> deleted_pages | 0
>> avg_leaf_density | 59.5
>> leaf_fragmentation | 49.89
>> -----------------------------------------------------
>>
>>
>
> [ application/x-gzip is not supported, skipping... ]
>
>> ---------------------------(end of broadcast)---------------------------
>> TIP 4: Have you searched our list archives?
>>
>> http://archives.postgresql.org
>

--
NAGAYASU Satoshi <nagayasus(at)nttdata(dot)co(dot)jp>
Phone: +81-3-3523-8122

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Stephen Frost 2006-08-10 02:22:15 Re: [BUGS] numerics lose scale and precision in views of unions
Previous Message Tom Lane 2006-08-10 02:12:51 Re: pgsql: Move "#define inline __inline" from port/win32.h to c.h because

Browse pgsql-patches by date

  From Date Subject
Next Message Tom Lane 2006-08-10 02:49:43 Re: [HACKERS] Maintaining cluster order on insert
Previous Message Tom Lane 2006-08-10 02:06:23 Re: [COMMITTERS] pgsql: /contrib/cube improvements: Update