File: expressions.rb

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# frozen_string_literal: true

module Arel # :nodoc: all
  module Expressions
    def count(distinct = false)
      Nodes::Count.new [self], distinct
    end

    def sum
      Nodes::Sum.new [self]
    end

    def maximum
      Nodes::Max.new [self]
    end

    def minimum
      Nodes::Min.new [self]
    end

    def average
      Nodes::Avg.new [self]
    end

    def extract(field)
      Nodes::Extract.new [self], field
    end
  end
end