how to use pgsql like mssql

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<br><pre wrap="">in the pgadmin edit<br>i want use<br>declare ...<br>if exists ...<br>insert something if @@rowcout&gt;0 then do something<br>if ....<br>like in mssql and not use function<br>how to<br>sorry for my english</pre><br><br><br><br><span id="spnSignFirst"></span><span id="spnSign"></span><br><br><iframe name=mail001 marginwidth=0 marginheight=0 src="http://news.21cn.com/shtml.21cn.com/2007/11/13/mail_bottom.html" width=90% scrolling=no height=50 designtimesp="1840" frameborder="0"></iframe>
>From pgsql-sql-owner(at)postgresql(dot)org Wed Dec 26 21:10:06 2007
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Date: Wed, 26 Dec 2007 17:09:39 -0800 (PST)
From: Richard Broersma Jr <rabroersma(at)yahoo(dot)com>
Subject: Re: how to use pgsql like mssql
To: pgsql-sql(at)postgresql(dot)org, liuzg2(at)21cn(dot)com
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--- On Wed, 12/26/07, liuzg2(at)21cn(dot)com <liuzg2(at)21cn(dot)com> wrote:

> in the pgadmin edit
> i want use
> declare ...
> if exists ...
> insert something if @@rowcout>0 then do something
> if ....
> like in mssql and not use function

I take it that you are looking to create stored procedures? In postgresql they are called "stored functions" or more correctly "functions."

First you will need to load a procedural language into your database if one isn't already installed.
http://www.postgresql.org/docs/8.2/interactive/sql-createlanguage.html

You should probably use PLpgSQL since it is available across OS all platforms and is easy to learn and use.

http://www.postgresql.org/docs/8.2/interactive/plpgsql.html

There are some nice examples in this documentation.

Your PGadmin will also have features to help the create these functions also.

Regards,
Richard Broersma Jr.