Re: getting list of columns from a query

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От Octavio Alvarez
Тема Re: getting list of columns from a query
Дата
Msg-id op.vhuvz6hd4oyyg1@localhost.localdomain
обсуждение исходный текст
Ответ на getting list of columns from a query  (c k <shreeseva.learning@gmail.com>)
Список pgsql-general
On Sun, 22 Aug 2010 10:27:52 -0700, c k <shreeseva.learning@gmail.com>
wrote:

> Hi all,
> As I am using MS Access for a long time, many tools like ms access
> provides
> a way to get the list of columns from a query. (using filed list in combo
> boxes in ms access). But is it possible to get such list of columns from
> a
> query where it is not known to the user, that which columns are defined
> in
> the base 'SELECT' statement? How? I dynamically created SQL statements
> many
> times this situation occurs where the columns are not fixed and we have
> to
> get the list of columns from such a query.
> Thanks in advance.

I am removing psql-admin from the Cc to avoid crossposting. Besides, I
am not sure if it is on-topic there or not.

Which version of PostgreSQL? Anyway, if you create the SELECT statement
dynamically you could know a priori what columns would result, AFAIU.

--
Octavio.

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