At 12:28 PM 11/23/00 +0100, Zeugswetter Andreas SB wrote:
>
>> Reason: I want to know if any of these features are scheduled.
>> 
>> 1. Calculated fields in table definitions . eg.
>> 
>>    Create table test (
>>             A Integer,
>>             B integer,
>>            the_sum   As  (A+B),
>> );
>
>This is currently easily done with a procedure that takes a tabletype
parameter
>with the name the_sum returning the sum of a + b.
>
>   Create table test (
>             A Integer,
>             B integer
>    );
>
>create function the_sum (test) returns integer as
>'
>	begin;
>		return ($1.a + $1.b);
>	end;
>' language 'plpgsql';
>
>A select * won't return the_sum

create view test2 select A, B, A+B as the_sum from test;

will, though.

See, lots of ways to do it!



- Don Baccus, Portland OR <dhogaza@pacifier.com>
  Nature photos, on-line guides, Pacific Northwest
  Rare Bird Alert Service and other goodies at
  http://donb.photo.net.

Thu, 23 Nov 2000 06:11:02 -0800
Don Baccus <dhogaza@pacifier.com>
Re: AW: Please advise features in 7.1