CHOOSE and SELECT in QTP

[Bourchi, H.]

I did some tests yesterday...
And results of tests were ... surprising...
Check out the cobinations that i tested and processing durations.
------------------------------------
--------------------------------
test 1
access product_table
define product_choice char*1 = parm
;answer to prompt was A
choose product_item (case of product_choice 		&
			when "A" :"A@"			&
			when "L" :  "B@@")
Processing duration 		5 minutes

------------------------------
test 2
access product_table
define product_choice char*1 = parm
;answer to prompt was L 
choose product_item (case of product_choice 		&
			when "A" :"A@"			&
			when "L" :  "B@@")
Processing duration 		92 minutes
------------------------
test 3
access product_table
define product_choice char*1 = parm
;answer to prompt was L
choose product_item (case of product_choice 		&
			when "A" :"A@"			&
			WHEN "L" : "B@" to "z@")
Processing duration		92 minutes
------------------------
test 4
access product_table
define product_choice char*1 = parm
;answer to prompt was L
choose product_item (case of product_choice 		&
			when "A" :"A@"			&
			WHEN "L" : "L@")
Processing duration 		130 minutes!
-------------------------
test 5
access product_table
choose product_item "L@"
Processing duration 		106 minutes!
----------------------
And in a SELECT constuction toke me just 16 minutes!

access product_table
select if product_item[1:1] <> "A"
--------------------
The theory of Chris (about key 0) seems very convincing, but i can't combine
it with results of my tests in case of A products.(In case of A product
CHOOSE was mutch faster then SELECT). 
Anyway, I think I will try somthing with conditional compilation. Has
someone any example of CC in QTP? I will be thankful to receive it.

Regards,
Hamid Bourchi
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