| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Jimmy Choi <yhjchoi(at)gmail(dot)com> |
| Cc: | Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: "vacuum" and "cluster" |
| Date: | 2008-04-16 19:27:33 |
| Message-ID: | 20080416192733.GC7942@alvh.no-ip.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
Jimmy Choi escribió:
> Presumably, even if CLUSTER does reindexing internally, it only does
> that for the index used for clustering. Since REINDEX includes all
> indices, CLUSTER cannot truly replace REINDEX. Correct?
No. Cluster rewrites all indexes (otherwise their entries would end up
pointing to incorrect places in the heap.)
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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