Re: Query to return modified results at runtime?

Richard Broersma Jr wrote:
>> ID Color
>> --- -------
>> 1 Blue
>> 2 Red
>> 3 Green
>> 4 Orange
>>
>> How would I rewrite the query to return results where the colors are
>> replaced by letters to give the following results?
>>
>> ID Color
>> --- -------
>> 1 A
>> 2 D
>> 3 B
>> 4 C
>
>
> http://www.postgresql.org/docs/8.1/interactive/functions-conditional.html
>
> this is probably the easiest to implement but hard to mangage over time. Another solution would
> be to create color_code table that is referenced by your test table. Then when you can create a
> query as: select a.ID, b.code from test as a join color_code as b on a.color = b.color;
>
> There are additional solutions to this also. But these two are probably the easiest.

Thanks!