Re: Performance Optimization for Dummies 2 - the SQL

From: "Merlin Moncure" <mmoncure(at)gmail(dot)com>
To: "Carlo Stonebanks" <stonec(dot)register(at)sympatico(dot)ca>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Performance Optimization for Dummies 2 - the SQL
Date: 2006-10-16 21:07:11
Message-ID: b42b73150610161407l55e66854g94b31de6dd511f16@mail.gmail.com
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On 10/15/06, Carlo Stonebanks <stonec(dot)register(at)sympatico(dot)ca> wrote:
> that contains full address data
> */
> select
> f.facility_id,
> null as facility_address_id,
> null as address_id,
> f.facility_type_code,
> f.name,
> null as address,
> f.default_city as city,
> f.default_state_code as state_code,
> f.default_postal_code as postal_code,
> f.default_country_code as country_code,
> null as parsed_unit
> from
> mdx_core.facility as f
> left outer join mdx_core.facility_address as fa
> on fa.facility_id = f.facility_id
> where
> facility_address_id is null
> and f.default_country_code = 'US'
> and (f.default_postal_code = '14224-1945' or f.default_postal_code =
> '14224')

what is the facility_address_id is null all about? remove it since you
hardcode it to true in select.

you have a two part part key on facility(country code, postal code), right?

merlin

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