Class: Arrow::ArrayStatistics

Inherits:
Object
  • Object
show all
Defined in:
lib/arrow/array-statistics.rb

Instance Method Summary collapse

Instance Method Details

#distinct_count ⇒ Object 



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# File 'lib/arrow/array-statistics.rb', line 34

def distinct_count
  return nil unless has_distinct_count?
  if distinct_count_exact?
    distinct_count_exact
  else
    distinct_count_approximate
  end
end

#distinct_count_raw ⇒ Object 



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# File 'lib/arrow/array-statistics.rb', line 33

alias_method :distinct_count_raw, :distinct_count

#null_count ⇒ Object 



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# File 'lib/arrow/array-statistics.rb', line 22

def null_count
  return nil unless has_null_count?
  if null_count_exact?
    null_count_exact
  else
    null_count_approximate
  end
end

#null_count_raw ⇒ Object 



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# File 'lib/arrow/array-statistics.rb', line 21

alias_method :null_count_raw, :null_count