In this chapter we discuss the transformation languages available to DS developers. We start by describing what we consider to be the most important one, which is the Parallel Transformer stage. It is by far the most used transformation language in parallel jobs. The other stages also play an important part in parallel design, such as the Modify, Filter, and Switch stages.
9.1 Transformer stage
The DataStage (DS) Parallel Transformer stage generates C++ code that is compiled into a parallel component. For this reason, it ...