Re: BUG #18167: cannot create partitioned tables when default_tablespace is set
| От | tender wang |
|---|---|
| Тема | Re: BUG #18167: cannot create partitioned tables when default_tablespace is set |
| Дата | |
| Msg-id | CAHewXNmE8uRHFBiMXT2o0s19=xHpyc0gTLOf1cdc1C6BwqAwGQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: BUG #18167: cannot create partitioned tables when default_tablespace is set (Alvaro Herrera <alvherre@alvh.no-ip.org>) |
| Список | pgsql-bugs |
Alvaro Herrera <alvherre@alvh.no-ip.org> 于2023年10月25日周三 17:41写道：
On 2023-Oct-24, PG Bug reporting form wrote:
> marius@[local]:5434/postgres=# show default_tablespace;
> default_tablespace
> --------------------
> tblspc1
> (1 row)
>
> marius@[local]:5434/postgres=# create tablespace tblspc1 location
> '/home/marius/pgcode/tblspc1';
> CREATE TABLESPACE
> marius@[local]:5434/postgres=# create database test tablespace tblspc1;
> CREATE DATABASE
> marius@[local]:5434/postgres=# \c test
> You are now connected to database "test" as user "marius".
> marius@[local]:5434/test=# create table toto(id numeric) partition by
> list(id);
> ERROR: cannot specify default tablespace for partitioned relations
Oh, so the problem here is that *both* default_tablespace and the
database's tablespace are set, and then a partitioned table creation
fails when it doesn't specify any tablespace? That indeed sounds like a
bug. I'll have a look, thanks. I'm surprised it took so long for this
to be reported.
Oh, interesting issue!
I found another two case:
First: default_tablespace not set and create part rel failed
postgres=# create tablespace tbsp3 location '/tender/pgsql/tbsp3';
CREATE TABLESPACE
postgres=# create database test3 tablespace tbsp3;
CREATE DATABASE
postgres=# \c test3
You are now connected to database "test3" as user "gpadmin".
test3=# show default_tablespace ;
default_tablespace
--------------------
(1 row)
test3=# create table part1(a int) partition by list(a) tablespace tbsp3;
ERROR: cannot specify default tablespace for partitioned relations
CREATE TABLESPACE
postgres=# create database test3 tablespace tbsp3;
CREATE DATABASE
postgres=# \c test3
You are now connected to database "test3" as user "gpadmin".
test3=# show default_tablespace ;
default_tablespace
--------------------
(1 row)
test3=# create table part1(a int) partition by list(a) tablespace tbsp3;
ERROR: cannot specify default tablespace for partitioned relations
Second: default_tablespace and database's tablespace both set, but part rel created
test3=# set default_tablespace = tbsp2;
SET
test3=# create table part1(a int) partition by list(a);
CREATE TABLE
SET
test3=# create table part1(a int) partition by list(a);
CREATE TABLE
I'm not sure if the above two cases are a bug. If the document could provide detailed explanations, that would be great.
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
"Someone said that it is at least an order of magnitude more work to do
production software than a prototype. I think he is wrong by at least
an order of magnitude." (Brian Kernighan)
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