Re: Tablenames in Resultsets?

Поиск
Список
Период
Сортировка
От Ivan Cornell
Тема Re: Tablenames in Resultsets?
Дата
Msg-id 39D1AFA2.DBEC07C3@framestore.co.uk
обсуждение исходный текст
Ответ на Tablenames in Resultsets?  (gb@a3design.de)
Список pgsql-general
gb@a3design.de wrote:

> select * from test1, test2 where test1.id=test2.id
>
>
> but I need:
>
> test1.id | test1.value | test2.id | test2.value
> -----------------------------------------------
> ...
>
> because I dont want to access the fields by index but by name!!!
>

My solution would be
select t1.id as test1_id, t1.value as test1_value, t2_id as test2_id,
t2.value as test2_value from test1 t1, test2 t2 where t1.id = t2.id
You don't have to rename the tables (in this case to t1.t2), but it can
really reduce your query string length!

Ivan.




В списке pgsql-general по дате отправления:

Предыдущее
От: Manfred Pock
Дата:
Сообщение: Postgresql 7.0.2 under WinNT
Следующее
От: Alexi Margo
Дата:
Сообщение: RE: Re: Encrypting fields with a one-way hash