Class: Parqueteur::Struct

Inherits:
Object
  • Object
show all
Defined in:
lib/parqueteur/struct.rb

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Struct

Returns a new instance of Struct.



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# File 'lib/parqueteur/struct.rb', line 5

def initialize(&block)
  instance_exec(&block)
end

Instance Method Details

#field(name, type, options = {}, &block) ⇒ Object 



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# File 'lib/parqueteur/struct.rb', line 13

def field(name, type, options = {}, &block)
  fields.add(Parqueteur::Column.new(name, type, options, &block))
end

#fields ⇒ Object 



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# File 'lib/parqueteur/struct.rb', line 9

def fields
  @fields ||= Parqueteur::ColumnCollection.new
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/parqueteur/struct.rb', line 17

def key?(key)
  fields.key?(key)
end

#to_arrow_type ⇒ Object 



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# File 'lib/parqueteur/struct.rb', line 21

def to_arrow_type
  fields.collect(&:to_arrow_field)
end