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 |