Re: calculated fields are not seen in the WHERE clause

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От
Hannu Krosing
Тема
Re: calculated fields are not seen in the WHERE clause
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1035979405.3843.23.camel@taru.tm.ee
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calculated fields are not seen in the WHERE clause "Yaroslav Dmitriev" <yar@warlock.ru>
Re: calculated fields are not seen in the WHERE clause Hannu Krosing <hannu@tm.ee>
Re: calculated fields are not seen in the WHERE clause Bruce Momjian <pgman@candle.pha.pa.us>
Yaroslav Dmitriev kirjutas K, 30.10.2002 kell 13:48:
> Hello,
> 
> OK
> select 1 as ccc where 1=1
> 
> ERROR
> select 1 as ccc where ccc=1
> PostgreSQL said: ERROR: Attribute 'ccc' not found
> 
> Is there any way to set conditions on calculated fields values?

You could try using a subquery

select *from(select 1 as ccc) subwhere ccc=1

---------------
Hannu


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