From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
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To: | "c k" <shreeseva(dot)learning(at)gmail(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org, pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Functions |
Date: | 2008-09-15 17:51:07 |
Message-ID: | dcc563d10809151051r79447b28m7468880a55b0a1fa@mail.gmail.com |
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Lists: | pgsql-admin pgsql-general |
On Mon, Sep 15, 2008 at 10:55 AM, c k <shreeseva(dot)learning(at)gmail(dot)com> wrote:
> Dear PG members,
> I want to know that does begin and end in plpgsql are related to begin
> transactions and commit? if yes/no how?
No. a plpgsql function is a transaction in its entirety. If called
within a transaction it inherits the parent transaction.
>If I start to execute a function of
> multiple statements does PG commits each transaction within a function, or
> whole function as a transaction.
Whole thing, all or nothing.
> Also if first statement makes inserts/updates a row, does it automatically
> available to that particular function execution only or to any other
> instances of same function?
To that function only. Until commit no one else should see the change.
> Please give the details.
> In my system, function are extensively used and cab called by different
> clients as ODBC, JDBC and others.
How called isn't all that critical, unless you've set some kind of
autocommit flag or something.
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