MI MapBasic : use of custom functions as expression in a Select

[Gilles Labeeuw]

I have some problems with the use of custom functions in the selected
expressions of a select.
For instance :

Table XYZ contains the Fields SPAN as Float and OTHER as Float

Declare Function my_func (ByVal X as Float) as Float

Function my_func (ByVal X as Float) as Float
        If X > 15 Then my_func = X + 15 Else my_func = 0. End If 
End Function

Select * From XYZ Where my_func(SPAN) > 40              ===> works

Update XYZ Set OTHER = my_func(SPAN)                    ===> works

Select SPAN, my_func(SPAN)                                      ===> works not, gives 
empty field in col2

This last seems in contradiction with MapBasic 5.0 on-line help for
"Function ...End Function"
under sub-chapter "Availability of Custom Functions" 1st paragraph

Who can help me ?
Thank you,

eng. Gilles Labeeuw  

Minist�re F�d�ral des               Federaal Ministerie
Communications et Infrastructure          van Verkeer en Infrastructuur
Direction Routes:                   Directie Wegen:
    normes et banques de donn�es       normen en databanken
Residence Palace Rue de la Loi 155  Residence Palace Wetstraat 155
B 1040 Bruxelles                    B 1040 Brussel

                       Tel. +31 (2) 287.31.63
                       Fax. +31 (2) 287.31.80
                       e-mail [EMAIL PROTECTED]
----------------------------------------------------------------------
To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
"unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]