Method: PiecePipe::Pipeline#group_by

Defined in:
lib/piece_pipe/pipeline.rb

#group_by(*keys) ⇒ Object

like rails group by, takes the entire row and keys it based on the fields



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# File 'lib/piece_pipe/pipeline.rb', line 40

def group_by(*keys)
  add_step(GroupByStep.new(*keys))
end