From: Tom Lane <tgl@sss.pgh.pa.us>
To: Matthew Geddert <geddert@yahoo.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: please help with converting a view in oracle into postgresql readably code
Date: Fri, 04 Oct 2002 10:17:34 -0400
Message-ID: <20460.1033741054@sss.pgh.pa.us> (raw)
In-Reply-To: <000301c269c6$3cab1000$a6267f18@ULTRAENIGMA>
References: <000301c269c6$3cab1000$a6267f18@ULTRAENIGMA>
"Matthew Geddert" <geddert@yahoo.com> writes:
> create or replace view events_orders_states
> as
> select o.*,
> o_states.order_state
> from events_orders o,
> (select
> order_id,
> decode (floor(avg (decode (reg_state,
> 'canceled', 0,
> 'waiting', 1,
> 'pending', 2,
> 'shipped', 3,
> 0))),
> 0, 'canceled',
> 1, 'incomplete',
> 2, 'incomplete',
> 3, 'fulfilled',
> 'void') as order_state
> from events_registrations
> group by order_id) o_states
> where o_states.order_id = o.order_id;
DECODE() is an Oracle-ism. You can use the SQL-standard CASE construct
instead. See
http://www.ca.postgresql.org/users-lounge/docs/7.2/postgres/functions-conditional.html
Other than the DECODE() calls this should run fine in PG.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, geddert@yahoo.com
Subject: Re: please help with converting a view in oracle into postgresql readably code
In-Reply-To: <20460.1033741054@sss.pgh.pa.us>
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