Using evaluate() may impact less on performance.

SELECT f1, f2, evaluate("max(f5,f6)") as test FROM t1......

Gianni


----- Original Message ----- 
From: Ed Leafe <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Wed, 20 Jun 2007 09:26:20 -0400
Subject: Re: Select statement with a max() of 2 values

On Jun 20, 2007, at 9:20 AM, Tristan Leask wrote:

> I have got a strange one here.  I have written a SELECT statement  
> which
> is something similar to....
>
> SELECT f1, f2, max(f5,f6) as test FROM t1......
>
> This looks ok to me, however when I try to run it, foxpro doesn't like
> the fact that I am using the MAX() function.  Apparently when MAX() is
> used in a SELECT statement it wants to calculate the maximum of the
> specified column.  Thus can you not use MAX() to calculate the maximum
> of some fields in a row, E.g. MAX(f1, f2, f3, f4)?

        Why not create a little UDF, and use that in the SQL?

FUNCTION FoxMax(p1, p2)
        RETURN MAX(p1, p2)

SELECT f1, f2, FoxMax(f5,f6) as test FROM t1......

-- Ed Leafe
-- http://leafe.com
-- http://dabodev.com




[excessive quoting removed by server]

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