To create a new mapping file, use the following method from the Message Flow editor. The nodes that support mapping are the Mapping node, Compute node, Database node, DataDelete node, DataInsert node, DataUpdate node, Extract node and Warehouse node. In the description below, a DataInsert node is used as an example.
If this is the first time that you have worked with mappings on this node, a new mapping file is created within your project and appears in the Resource Navigator view. It is named flowname_DataInsert.mfmap initially but you can rename it.
When creating mapping files, the overall file path length must not exceed 256 characters, due to a Windows file system limitation. If you try to add a message flow to a broker archive file with mapping or ESQL files with a path length that exceeds 256 characters, the compiled message flow will not be generated and cannot be deployed. Therefore, make sure that the names of your mapping files, ESQL files, projects, and broker schema are as short as possible.
The Mapping editor opens, allowing you to define your mapping input and output requirements.
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