Official |[Mapper]Replace Null/Empty String

Logic name

Replace Null/Empty String (Document Mapper/Variable Mapper/Merge Mapper)

Function

This logic replaces the input value to the specified value (string) when it is null or an empty string.

Data types

Location	Type
First input handler	String
Logic output	String

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Refer to the following for details:

Properties

Category	Property	Description
Required settings	Convert null	Specify whether to convert null.
Required settings	Convert empty string	Specify whether to convert an empty string.
Required settings	Specified value	The input value will be replaced with the specified string when it is null or an empty string.
Comment	Comment	You can write a description of the logic. It doesn't affect the conversion process.

Logic sample

Mapping definition

Logic settings and processing result

The logic converts null or an empty string in the input data to the specified value "unset".

Property settings

Input data

Data exists,A

null value,(null value)

empty string,(empty string)

Output data

A

unset

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For a list of logics, refer to Mapper Logic Guide.