Re: Different cast behavior of TEXT and VARCHAR

Поиск
Список
Период
Сортировка
От tomas@tuxteam.de
Тема Re: Different cast behavior of TEXT and VARCHAR
Дата
Msg-id 20110412145611.GA16349@tomas
обсуждение исходный текст
Ответ на Re: Different cast behavior of TEXT and VARCHAR  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tue, Apr 12, 2011 at 10:29:44AM -0400, Tom Lane wrote:
> tomas@tuxteam.de writes:
> > When PREPARing statements, the type guessing machinery seems to behave
> > differently for VARCHAR and TEXT. Is this intentional?
>
> Your example works for me, in all branches back to 8.2:
>
> regression=# create table foo(a text, b varchar);
> CREATE TABLE
> regression=# PREPARE s1 AS SELECT a, b FROM foo WHERE a = $1;
> PREPARE
> regression=# PREPARE s2 AS SELECT a, b FROM foo WHERE b = $1;
> PREPARE

Thanks!

> I wonder if you have some nondefault operators installed that are making
> the query ambiguous.

That would mean I managed to munge my template1. Yes, that'd be the most
plausible scenario :-/

Not at my machine at the moment, will check later. Thanks and sorry for
the noise.

Regards
- -- tomás
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)

iD8DBQFNpGgLBcgs9XrR2kYRAgU5AJwJnOwC0LYHAiPUC9jWASI+al95owCdGhqX
EoRE7s265qjLz1yJBMERrQI=
=AnaI
-----END PGP SIGNATURE-----

В списке pgsql-general по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: Different cast behavior of TEXT and VARCHAR
Следующее
От: Tom Lane
Дата:
Сообщение: Re: What is the difference between these queries