| From: | Jignesh Shah <jignesh(dot)shah1980(at)gmail(dot)com> |
|---|---|
| To: | Shane Ambler <pgsql(at)sheeky(dot)biz> |
| Cc: | Michael Wood <esiotrot(at)gmail(dot)com>, Jure Kobal <j(dot)kobal(at)gmx(dot)com>, pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: Install new perl test function in PostgreSQL |
| Date: | 2009-08-27 09:02:48 |
| Message-ID: | c11950270908270202u7f1920abw7377d79506321855@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-novice |
That's nice explanation. Thanks Shane.
On Thu, Aug 27, 2009 at 2:28 PM, Shane Ambler <pgsql(at)sheeky(dot)biz> wrote:
> Jignesh Shah wrote:
>
>> Thanks I will try it today and get back here in case of any problems. I
>> could see "CREATE OR REPLACE" in every trigger example. I am wondering why
>> we need REPLACE? What is it purpose?
>>
>> Thanks,
>> Jignesh
>>
>>
> It is fairly common to modify functions several times before they are
> finalised. Using OR REPLACE simply allows you to do it in one step,
> instead of DROP FUNCTION... CREATE FUNCTION... every time you change
> something.
>
> The OR REPLACE is only an option, you don't have to use it if you don't
> want to.
>
>
>
> --
>
> Shane Ambler
> pgSQL (at) Sheeky (dot) Biz
>
>
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