Determines what the output Schema will be from this object

If not null, it is an array of integers whose positions in the input schema correspond to columns that must be passed to the processor, even in the presence of column pruning

Wrapper for the InitializeAtRuntime

Method that processes Rows from the incoming RowSet

Determines what the output Schema will be from this object

If true, the processor returns a constant schema regardless what input is given

If true, the optimizer assumes that every output row depends on a single input row

The Rows property automatically returns the Processor.Process override