From: Phillip Smith <phillip.smith@weatherbeeta.com.au>
To: pgsql-sql@postgresql.org
Subject: Re: Passing input to a view?
Date: Thu, 10 May 2007 16:14:46 +1000
Message-ID: <00d801c792ca$86418b40$9b0014ac@wbaus090> (raw)
In-Reply-To: <4642B5C9.5000505@autoledgers.com.au>
Remove the WHERE clause that specifies the date so the view includes all
dates, then apply the WHERE clause when selecting the view.
SELECT *
FROM invoiced_repairs
WHERE invoiced_repairs.received_date BETWEEN '1 Jan 2007' AND '10
May 2007';
-----Original Message-----
From: pgsql-sql-owner@postgresql.org [mailto:pgsql-sql-owner@postgresql.org]
On Behalf Of Paul Lambert
Sent: Thursday, 10 May 2007 16:04
To: pgsql-sql@postgresql.org
Subject: [SQL] Passing input to a view?
Is it possible to define a view to use input parameters rather than a
hard-wired value in a where clause?
I.e. I have the following view:
CREATE OR REPLACE VIEW invoiced_repairs AS
SELECT ro_header.ro_number, ro_header.received_date, vehicles.vehicle_id,
vehicles.model, vehicles.engine, vehicles.transmission,
ro_header.odometer_reading,
ro_header.service_description,
(
CASE WHEN (vehicles.month_of_manufacture <> '' AND
vehicles.year_of_manufacture <> '')
THEN
(vehicles.month_of_manufacture || '/' ||
vehicles.year_of_manufacture)
ELSE
''
END
) AS date_of_manufacture,
vehicles.identification_number, vehicles.engine_number from
ro_header
INNER JOIN vehicles USING (vehicle_address)
WHERE ro_header.received_date between '1-jan-2007' AND '10-May-2007';
ALTER TABLE invoiced_repairs OWNER TO postgres;
Instead of having it set to 1-Jan-2007 and 10-May-2007 for the dates,
can I specify that those values should be passed to the view? Or would I
need to change this to an SQL language function?
I can't find anything in the documentation that answers this, but maybe
I'm not looking hard enough.
Thanks in advance.
--
Paul Lambert
Database Administrator
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To: pgsql-sql@postgresql.org
Cc: phillip.smith@weatherbeeta.com.au
Subject: Re: Passing input to a view?
In-Reply-To: <00d801c792ca$86418b40$9b0014ac@wbaus090>
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