class Charty::TableAdapters::ArrowAdapter
Attributes
data[R]
Public Class Methods
new(data)
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# File lib/charty/table_adapters/arrow_adapter.rb, line 10 def initialize(data) @data = data @column_names = @data.columns.map(&:name) self.columns = Index.new(@column_names) self.index = RangeIndex.new(0 ... length) end
supported?(data)
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# File lib/charty/table_adapters/arrow_adapter.rb, line 6 def self.supported?(data) defined?(Arrow::Table) && data.is_a?(Arrow::Table) end
Public Instance Methods
[](row, column)
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# File lib/charty/table_adapters/arrow_adapter.rb, line 36 def [](row, column) if row @data[column][row] else case column when Array Table.new(@data.select_columns(*column)) else column_data = @data[column] Vector.new(column_data.data.combine, index: index, name: column_data.name) end end end
column_length()
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# File lib/charty/table_adapters/arrow_adapter.rb, line 23 def column_length @column_names.length end
compare_data_equality(other)
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Calls superclass method
# File lib/charty/table_adapters/arrow_adapter.rb, line 27 def compare_data_equality(other) case other when ArrowAdapter data == other.data else super end end
length()
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# File lib/charty/table_adapters/arrow_adapter.rb, line 19 def length @data.n_rows end