Re: pgsql-server/ oc/src/sgml/ref/cluster.sgml rc/ ...

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: pgsql-server/ oc/src/sgml/ref/cluster.sgml rc/ ...
Дата
Msg-id 200208130359.g7D3x8U26435@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: pgsql-server/ oc/src/sgml/ref/cluster.sgml rc/ ...  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-committers
Tom, I am glad you added this repeat()/TOAST test to the cluster
regression test.  It is a nice way to test TOAST.  Folks, are there
other areas where we should testing TOAST in the regression tests?

---------------------------------------------------------------------------

Tom Lane wrote:
> momjian@postgresql.org (Bruce Momjian - CVS) writes:
> >     Major improvement in CLUSTER which preserves table characteristics using
> >     relfilenode.
>
> This patch is still a few bricks shy of a load.  In particular,
> it completely destroys TOASTed data.
>
> regression=# create table f11 (f1 int unique, f2 text);
> NOTICE:  CREATE TABLE / UNIQUE will create implicit index 'f11_f1_key' for table 'f11'
> CREATE TABLE
> regression=# insert into f11 values(0, repeat('xyzzy', 100000));
> INSERT 691177 1
> regression=# select f1,length(f2) from f11;
>  f1 | length
> ----+--------
>   0 | 500000
> (1 row)
>
> regression=# cluster f11_f1_key on f11;
> CLUSTER
> regression=# select f1,length(f2) from f11;
> ERROR:  Relation 691181 does not exist
>
>
> As-is the patch is entirely unacceptable.  Ideally we should find a way
> to move tuples into the new table without invoking the TOAST code at
> all, but I'm not sure what that will entail.
>
>             regards, tom lane
>

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

В списке pgsql-committers по дате отправления:

Предыдущее
От: Gerhard Hintermayer
Дата:
Сообщение: Re: [INTERFACES] libpgtcl modifications
Следующее
От: Joe Conway
Дата:
Сообщение: Re: pgsql-server/ oc/src/sgml/ref/cluster.sgml rc/ ...