From: | "Oliver Elphick" <olly(at)lfix(dot)co(dot)uk> |
---|---|
To: | R Talbot <rjtalbo(at)attglobal(dot)net> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Inheritance c.cities ?? |
Date: | 2001-09-12 21:27:45 |
Message-ID: | 200109122127.f8CLRk8s031351@linda.lfix.co.uk |
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Lists: | pgsql-general |
R Talbot wrote:
>Looking at the Postgresql manual in the inheritance section I see
>abbreviations.
>
>i.e.
>SELECT c.name, c.altitude
>FROM cities* c
>WHERE c.altitude > 500;
>
>c.name of course refering to cities.name
> My question is where is there an alias reference of c AS cities
>
>How does and where does the cities become c. How does Postgresql
>recognize the change.
Here:
>FROM cities* c
This is equivalent to "FROM cities* AS c".
In the current release, "cities" is equivalent to "cities*"; to get rows
from cities alone you need to use "FROM ONLY cities"
--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839 932A 614D 4C34 3E1D 0C1C
========================================
"Let the wicked forsake his way, and the unrighteous
man his thoughts; and let him return unto the LORD,
and He will have mercy upon him; and to our God, for
he will abundantly pardon." Isaiah 55:7
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