Re: [PATCHES] pgstattuple extension for indexes
От | Bruce Momjian |
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Тема | Re: [PATCHES] pgstattuple extension for indexes |
Дата | |
Msg-id | 200608100156.k7A1unU21775@momjian.us обсуждение исходный текст |
Ответ на | Re: [PATCHES] pgstattuple extension for indexes (satoshi nagayasu <nagayasus@nttdata.co.jp>) |
Ответы |
Re: [PATCHES] pgstattuple extension for indexes
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Список | pgsql-hackers |
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@nttdata.co.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 -- Bruce Momjian bruce@momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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