Check Incoming data is null

Question

I’m getting data out of LDAP and i nees to route it to two different mappers depending upon whether the incoming data is null or not. But i’m unable to do this… any solution?

stephenknilans · Answer

There should always be some all important piece of data, like a key.  You can reasonably assume the whole record is null if IT is.  What are you trying to do?

robin · Answer

Have you tried the Router Snap?

adityareja · Answer

what condition to give i router snap ?

stephenknilans · Answer

x==null   (do if x is null)
x!=null (do if x is NOT null)
BTW there are TWO types of null in snaplogic.

The above, where the field exists and LITERALLY has a value of null
The all too common case of a field that hasn’t be defined because no row joined on an outer condition, or it wasn’t read, etc…

What I spoke of earlier is for the 2nd case I listed above
For case number 2, it would be
!(‘x’ in $)
(‘x’ in $)
So remember, in some cases a field will not be created for a field that does not have a value and, in those cases, you have to check if the field exists.

nisars · Answer

I also use the router snap and check if a field exists using the .hasOwnProperty() function

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Check Incoming data is null

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