Table of Contents

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  1. Preface
  2. Introduction to Big Data Streaming
  3. Big Data Streaming Administration
  4. Sources in a Streaming Mapping
  5. Targets in a Streaming Mapping
  6. Streaming Mappings
  7. Window Transformation
  8. Appendix A: Connections
  9. Appendix B: Sample Files

Union Transformation in a Streaming Mapping

Union Transformation in a Streaming Mapping

Streaming mappings have mapping validation restrictions.

Mapping Validation

Mapping validation fails in the following situation:
  • The transformation is configured to merge data from streaming and non-streaming pipelines.