Mappings

Use the Informatica Cloud Mapping Designer to configure mappings. When you configure a mapping, you describe the flow of data from source and target. You can add transformations to transform data, such as an Expression transformation for row-level calculations or a Filter transformation to remove data from the data flow. A transformation includes field rules to define incoming fields. Links visually represent how data moves through the data flow.

You can configure parameters to enable additional flexibility in how you can use the mapping. Parameters act as placeholders for information that you define in the Mapping Configuration task. For example, you can use a parameter for a source connection in a mapping, and then define the source connection when you configure the task.

You can use fixed-width flat files in Source and Target transformations. Before you use fixed-width flat files, create at least one fixed-width file format. When you add a fixed-width flat file to a transformation, you select an appropriate fixed-width format to suit the data in the fixed-width file. This makes the file easier to read.

When you update a mapping used in a Mapping Configuration task, the Mapping Configuration task uses the revised mapping. If you change the mapping so that the Mapping task is incompatible with the mapping, an error occurs when you run the Mapping task. For example, if you add a parameter to a mapping after the Mapping task was created and you do not update the Mapping task to specify a value for the parameter, an error occurs when you run the Mapping task. If you do not want your updates to affect the Mapping Configuration task, you can make a copy of the mapping, give the new mapping a different name, and then apply your updates to the new mapping.

When you update a mapping included in Mapping Configuration tasks, you can deploy the updated mapping to the related Mapping Configuration tasks. Or, you can save the mapping as another mapping.