Meta Data Supplier

About

meta is a data supplier that derives its value from input data resources (such as file name, …) in a pipeline.

This data supplier:

• is used in the enrich operation
• to add a virtual column
• that contains a data resource attribute value (such as the file name).

Example

Example of data supplier with the resource name attribute

columns:
  - name: file_name
    data-supplier:
      type: meta
      arguments:
        attribute: name

Arguments