Search Postgresql Archives

Re: does postgresql backup require additional space on disk

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



er_temp=# select * from pg_tables where tablename = 'test';
 schemaname | tablename | tableowner | tablespace | hasindexes | hasrules | hastriggers
------------+-----------+------------+------------+------------+----------+-------------
 public     | test      | build      |            | f          | f        | f
(1 row)


From: Adrian Klaver <adrian.klaver@xxxxxxxxxxx>
Sent: Monday, May 13, 2019 5:52 PM
To: Julie Nishimura; pgsql-general@xxxxxxxxxxxxxxxxxxxx; pgsql-general
Subject: Re: does postgresql backup require additional space on disk
 
On 5/13/19 5:39 PM, Julie Nishimura wrote:
> LOL. Adrian, I so appreciate your help.
>
> So, since this server is obviously very old, and it seems like 3 other
> tablespaces were added in the past (vol1 - 2.7 tb, vol2 - 2.7 tb, vol3 -
> 16 tb), and I am about to add another vol - vol4 (4 tb), I am trying to
> see where the objects are actually located.
>
> So, for example, working only with one database at a time.
>
> The database has the following:
> ALTER DATABASE er_temp
>    SET default_tablespace = 'vol3';
>
> My postgresql.conf also lists the following:
> default_tablespace = 'vol3'
>
> There is one table "test", and its DDL (according to PGAdmin):
> CREATE TABLE test
> (
>    id integer,
>    key character varying,
>    value character varying
> )
> WITH (
>    OIDS=FALSE
> )
> TABLESPACE vol1;
>
> but if I run the following command, I have empty string as tablespace
>
> er_temp=# SELECT tablespace
> FROM pg_tables
> WHERE tablename = 'test' AND schemaname = 'public';
>   tablespace
> ------------
>
> (1 row)

Is test in the public schema?

>
> However, if I create new table, it will go to vol3:
>
> er_temp=# CREATE TABLE test_j
> er_temp-# (
> er_temp(#   id integer,
> er_temp(#   key character varying,
> er_temp(#   value character varying
> er_temp(# );
> CREATE TABLE
> er_temp=# SELECT tablespace
> FROM pg_tables
> WHERE tablename = 'test_j' AND schemaname = 'public';
>   tablespace
> ------------
>   vol3
> (1 row)
>
> So, why would tablespace for "test" show as empty string if it is not
> default? Where are the files for "test" table?
>
> Thanks,
> Julie



--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]

  Powered by Linux