From: chester c young <chestercyoung@yahoo.com>
To: blay bloo <blaybloo@googlemail.com>
Cc: sql pgsql <pgsql-sql@postgresql.org>
Subject: Re: Execute SQL statements with 'context'/predefined variables
Date: Mon, 3 Sep 2007 21:08:37 -0700 (PDT)
Message-ID: <577132.21411.qm@web54305.mail.re2.yahoo.com> (raw)
In-Reply-To: <66c468170709031734o80d8e2o92f18d23ac5b8c72@mail.gmail.com>
...
> When you say use rules to inject constants, how would I go about
> doing this? Could you maybe give a brief example?
create view tab1_dml as select * from tab1;
-- note:
-- CONSTANT1 = 8
-- CONSTANT2 = 15
create or replace rule tab1_insert as
on insert
to tab1_dml
do instead(
insert into tab1( c1, c2 )
values( new.c1 * 8, 15 );
);
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To: pgsql-sql@postgresql.org
Cc: chestercyoung@yahoo.com, blaybloo@googlemail.com
Subject: Re: Execute SQL statements with 'context'/predefined variables
In-Reply-To: <577132.21411.qm@web54305.mail.re2.yahoo.com>
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