Re: using calculated column in where-clause - Mailing list pgsql-sql

From Andreas Kretschmer
Subject Re: using calculated column in where-clause
Date
Msg-id 20080617211041.GA11438@tux
Whole thread Raw
In response to using calculated column in where-clause  (Patrick Scharrenberg <pittipatti@web.de>)
Responses Re: using calculated column in where-clause
List pgsql-sql
Patrick Scharrenberg <pittipatti@web.de> schrieb:
> Something like this
> select a, b , a*b as c from ta where c=2;
> 
> But postgresql complains, that column "c" does not exist.
> 
> Do I have to repeat the calculation (which might be even more complex

yes.


Andreas
-- 
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