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Mapper snap showing extra elements

Siva_Venna
Contributor

‎12-29-2020 09:26 AM

In a pipeline custom snap is connected to a mapper snap. In the below screenshot left hand side is the data preview of custom snap and on right the input schema of mapper. The mapper is showing me the elements(as highlighted) that are not present in the data preview of it’s previous snap !
image
When I use these elements in the expression throwing me error as undefined !!
image

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1 REPLY 1

dmiller
Former Employee

‎01-04-2021 02:27 PM

Remember that preview and validation only use a subset of dat (50 records by default). If it’s possible for those objects to not be defined for all records, that might be what you are encountering. Select Null-safe access and see if it still complains.


Diane Miller
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