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Re: non-recursive WITH clause support

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Gregory Stark <stark(at)enterprisedb(dot)com>
Cc: pgsql-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: non-recursive WITH clause support
Date: 2007-04-02 20:45:07
Message-ID: 200704022045.l32Kj7w11154@momjian.us (view raw or flat)
Thread:
Lists: pgsql-patches
Your patch has been added to the PostgreSQL unapplied patches list at:

	http://momjian.postgresql.org/cgi-bin/pgpatches

It will be applied as soon as one of the PostgreSQL committers reviews
and approves it.

---------------------------------------------------------------------------


Gregory Stark wrote:
> 
> Here's an updated patch that fixes the bug I had. This is now functional basic
> non-recursive WITH clause support.
> 
>  http://community.enterprisedb.com/recursive/with-pg82stable-v2.patch.gz
> 
> It's a pretty short simple patch as is; it just directly inlines any WITH
> clauses as if they had been written as subqueries. We'll have to do something
> much more clever to get recursive queries to work but for non-recursive
> queries that's sufficient.
> 
> Example:
> 
> postgres=# with a as (select 1 as x) select * from (select * from a) as x;
>  x 
> ---
>  1
> (1 row)
> 
> 
> 
> 
> -- 
>   Gregory Stark
>   EnterpriseDB          http://www.enterprisedb.com
> 
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-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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