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From: Bruce Momjian <[email protected]>
To: KES <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Documentation does not cover multiple WITH in one query
Date: Sun, 26 Aug 2018 09:15:00 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

On Sun, Aug 26, 2018 at 12:08:15PM +0300, KES wrote:
> 
> Thank you. That is I am looking for.
> Never thought that 'WITH' syntax is described at 'SELECT'. 
> 
> Will be very helpful if this will be mentioned on this page: https://www.postgresql.org/docs/10/static/queries-with.html
> For an example:
> 
>        [ WITH [ RECURSIVE ] with_query [, ...] ]
> 
> and with_query is shown as:
> 
>        with_query_name [ ( column_name [, ...] ) ] AS ( select | values | insert | update | delete )
> 
> For full syntax of `WITH` see https://www.postgresql.org/docs/10/static/sql-select.html

There is are no syntax layouts on this page or in similar sections in
the docs --- they are reserved for the reference pages.  I don't think
it makes sense to add it here.  One odd thing is that WITH can be used
with non-SELECT statements, but we only document it in SELECT, which is
odd.  I think that is because the SQL standard only uses WITH with
SELECT.

-- 
  Bruce Momjian  <[email protected]>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +

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