From: | Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com> |
---|---|
To: | leaf_yxj <leaf_yxj(at)163(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: what's difference between vacuum analyze and analyze? |
Date: | 2012-03-28 15:37:39 |
Message-ID: | 4F733043.3050901@gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On 03/28/2012 08:24 AM, leaf_yxj wrote:
> I was asked to write a security definer function to make other user can issue
> vacuum and analyze command? Friends in this community said vacuum doesn't
> work inside the function or multi command. How about analyze. I know vacuum
> is something much like oracle shrink which is used to reorganize the space
> in the disk. Analyze is used to collect the statistic info of the table.
> Does analyze works in Function or mulit-commands?
test=> BEGIN ;
BEGIN
test=> ANALYZE ;
WARNING: skipping "pg_authid" --- only superuser can analyze it
WARNING: skipping "pg_database" --- only superuser can analyze it
WARNING: skipping "pg_db_role_setting" --- only superuser can analyze it
WARNING: skipping "pg_tablespace" --- only superuser can analyze it
WARNING: skipping "pg_pltemplate" --- only superuser can analyze it
WARNING: skipping "pg_auth_members" --- only superuser can analyze it
WARNING: skipping "pg_shdepend" --- only superuser can analyze it
WARNING: skipping "pg_shdescription" --- only superuser can analyze it
ANALYZE
test=> COMMIT ;
COMMIT
test=> BEGIN ;
BEGIN
test=> VACUUM ANALYZE ;
ERROR: VACUUM cannot run inside a transaction block
test=>
For details:
http://www.postgresql.org/docs/9.1/interactive/sql-vacuum.html
http://www.postgresql.org/docs/9.1/interactive/sql-analyze.html
>
>
> Thanks.
>
> Regards.
>
>
> Grace
>
> --
> View this message in context: http://postgresql.1045698.n5.nabble.com/what-s-difference-between-vacuum-analyze-and-analyze-tp5600887p5600887.html
> Sent from the PostgreSQL - general mailing list archive at Nabble.com.
>
--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com
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