Re: how to find a tablespace for the table? - Mailing list pgsql-general
| From | Raghavendra |
|---|---|
| Subject | Re: how to find a tablespace for the table? |
| Date | |
| Msg-id | BANLkTinhDx4WfihvQmFNVn5KZs49NwJxMw@mail.gmail.com Whole thread Raw |
| In response to | Re: how to find a tablespace for the table? (hyelluas <helen_yelluas@mcafee.com>) |
| Responses |
Re: how to find a tablespace for the table?
(hyelluas <helen_yelluas@mcafee.com>)
|
| List | pgsql-general |
That's right, if the tables are in default tablespace, those columns will be blank, if any of the table created under any of the
tablespace then it will show up.
Eg:-
postgres=# show default_tablespace ; (this would be blank becz am in pg_default/pg_global)
default_tablespace
--------------------
(1 row)
postgres=# create table foo(id int);
CREATE TABLE
postgres=# select * from pg_tables where tablename='foo';
-[ RECORD 1 ]---------
schemaname | public
tablename | foo
tableowner | postgres
tablespace |
hasindexes | f
hasrules | f
hastriggers | f
Now I have the table in one of my tablespace.
postgres=#create table tab_test(id int) tablespace t1;
Expanded display is on.
postgres=# select * from pg_tables where tablename='tab_test';
-[ RECORD 1 ]---------
schemaname | public
tablename | tab_test
tableowner | postgres
tablespace | t1
hasindexes | f
hasrules | f
hastriggers | f
If you want to know the tablespace default information, you can try with this query.
select spcname, case spcname when 'pg_default' then (select setting from pg_settings where name = 'data_directory')||'/base' when 'pg_global' then (select setting from pg_settings where name = 'data_directory')||'/global' else spclocation end from pg_tablespace;
To get the exact table's and its tablespace's below query will work.
select relname,reltablespace from pg_class where reltablespace in(select oid from pg_tablespace where spcname not in ('pg_default','pg_global'));
---
Best Regards,
Raghavendra
EnterpriseDB Corporation
On Mon, Jun 20, 2011 at 11:40 PM, hyelluas <helen_yelluas@mcafee.com> wrote:
thank you Greg,
here is what I get, I createed view as you suggested.
I'm not sure why tablespace column is empty
profiler1=# select * from pg_tables where schemaname ='public' limit 10;
schemaname | tablename | tableowner | tablespace | hasindexes
| hasrules | hastri
ers
------------+-------------------------+------------+------------+------------+----------+-------
----
public | ttt | postgres |
| f | f | f
public | summ_hrly_1514609 | postgres | | t
| f | f
public | summ_5min_1514610 | postgres | | t
| f | f
public | exp_cnt | postgres |
| f | f | f
public | auth_type | postgres | |
t | f | f
public | druid_mapping | postgres | |
t | f | f
public | application_category | postgres | | t
| f | f
public | application_risk | postgres |
| t | f | f
public | policy_history | postgres |
| t | f | f
public | datasource | postgres | |
t | f | f
(10 rows)
thank you.
Helen
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