Method: Activecube::DefinitionMethods#column_name

Defined in:
lib/activecube/definition_methods.rb

#column_name ⇒ Object 



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# File 'lib/activecube/definition_methods.rb', line 11

def column_name
  raise "Not defined column for a dimension or metric #{self.name}" if !column_names || column_names.empty?
  raise "Defined more than one column for a dimension or metric #{self.name}" if column_names.count>1
  column_names.first
end