Re: Re: BETWEEN clause

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От will trillich
Тема Re: Re: BETWEEN clause
Дата
Msg-id 20010424141110.B30699@serensoft.com
обсуждение исходный текст
Ответ на Re: Re: BETWEEN clause  (Paul Tomblin <ptomblin@xcski.com>)
Ответы Re: Re: BETWEEN clause  (Bruce Momjian <pgman@candle.pha.pa.us>)
Список pgsql-general
On Tue, Apr 24, 2001 at 07:50:17AM -0400, Paul Tomblin wrote:
> Quoting will trillich (will@serensoft.com):
> > > test=# create view its_really_the_same_thing as select true where 1
> > > between 1 and 3;
> > >
> > > test=# \d its_really_the_same_thing
> > > ...
> > > View definition: SELECT 't'::bool WHERE ((1 >= 1) AND (1 <= 3));
> > >
> > >
> > > HTH,
> > > --
> > > Joel Burton   <jburton@scw.org>
> > > Director of Information Systems, Support Center of Washington
> >
> > just wanted to say -- BEAUTIFULLY executed reply.
> > not only did you answer the query succinctly and completely,
> > you showed, quite clearly, how to find out such answers.
>
> I was impressed as well.  I didn't know you could use \d to find the
> definition of views like that.

i finally figured that one out after my ten-thousandth "\?" where
i saw \d*:

    [snip]
    \copyright     show PostgreSQL usage and distribution terms
    \d <table>     describe table (or view, index, sequence)
    \d{t|i|s|v}    list tables/indices/sequences/views
    \d{p|S|l}      list permissions/system tables/lobjects
    \da            list aggregates
    \dd [object]   list comment for table, type, function, or operator
    \df            list functions
    \do            list operators
    \dT            list data types
    [snip]

thus \dv shows views, \dt tables, \di indexes, \ds sequences

altho "\d view_name" shows view definition and "\dv view" shows a
list of views whose name is LIKE "view%"...

and elsewhere i saw that \d+ would show more info, albeit
not-much-used comments. (and \dv+ and \di+...)

see "\h comment" for more on comments/descriptions.
(anybody using those for anything, by the way?)

--
don't visit this page. it's bad for you. take my expert word for it.
http://www.salon.com/people/col/pagl/2001/03/21/spring/index1.html

will@serensoft.com
http://sourceforge.net/projects/newbiedoc -- we need your brain!
http://www.dontUthink.com/ -- your brain needs us!

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