Class: Arrow::ChunkedArray

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/arrow/chunked-array.rb

Instance Method Summary collapse

Instance Method Details

#[](i) ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 48

def [](i)
  i += length if i < 0
  chunks.each do |array|
    return array[i] if i < array.length
    i -= array.length
  end
  nil
end

#chunks ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 28

def chunks
  @chunks ||= chunks_raw
end

#chunks_raw ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 27

alias_method :chunks_raw, :chunks

#each(&block) ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 57

def each(&block)
  return to_enum(__method__) unless block_given?

  chunks.each do |array|
    array.each(&block)
  end
end

#each_chunk(&block) ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 73

def each_chunk(&block)
  chunks.each(&block)
end

#null?(i) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arrow/chunked-array.rb', line 32

def null?(i)
  chunks.each do |array|
    return array.null?(i) if i < array.length
    i -= array.length
  end
  nil
end

#pack ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 77

def pack
  first_chunk = chunks.first
  data_type = first_chunk.value_data_type
  case data_type
  when TimestampDataType
    builder = TimestampArrayBuilder.new(data_type)
    builder.build(to_a)
  else
    first_chunk.class.new(to_a)
  end
end

#reverse_each(&block) ⇒ Object 



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# File 'lib/arrow/chunked-array.rb', line 65

def reverse_each(&block)
  return to_enum(__method__) unless block_given?

  chunks.reverse_each do |array|
    array.reverse_each(&block)
  end
end

#valid?(i) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arrow/chunked-array.rb', line 40

def valid?(i)
  chunks.each do |array|
    return array.valid?(i) if i < array.length
    i -= array.length
  end
  nil
end