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remove_unused_rules function
March 15, 2013
11:49 am

I am using remove_unused_rules() function to generate a generic xfr but the problem is that it is removing transform of past references.
For e.g.

if a field is transformed like

A = some transformation (B)
C = some transformation (A)
D = some transformation (C)

and finally my out XFR is like

out.ABC :: D

then remove_unused_rules will remove tranform for
A=B and C=A.It will only keep D=C which will not be populated properly.

How can we avoid the above scenario?
Please help