Sha256: a7235e535dba4937e4af8ef0f5e2c6f58848bf86485bbb401488f4670a4cef30

Contents?: true

Size: 910 Bytes

Versions: 7

Compression:

Stored size: 910 Bytes

Contents

module Arel
  module Nodes
    class Function < Arel::Nodes::Node
      include Arel::Expression
      include Arel::Predications
      include Arel::WindowPredications
      attr_accessor :expressions, :alias, :distinct

      def initialize expr, aliaz = nil
        super()
        @expressions = expr
        @alias       = aliaz && SqlLiteral.new(aliaz)
        @distinct    = false
      end

      def as aliaz
        self.alias = SqlLiteral.new(aliaz)
        self
      end

      def hash
        [@expressions, @alias, @distinct].hash
      end

      def eql? other
        self.class == other.class &&
          self.expressions == other.expressions &&
          self.alias == other.alias &&
          self.distinct == other.distinct
      end
    end

    %w{
      Sum
      Exists
      Max
      Min
      Avg
    }.each do |name|
      const_set(name, Class.new(Function))
    end
  end
end

Version data entries

7 entries across 7 versions & 2 rubygems

Version Path
angular-rails4-templates-0.4.1 vendor/ruby/2.1.0/gems/arel-5.0.1.20140414130214/lib/arel/nodes/function.rb
angular-rails4-templates-0.4.0 vendor/ruby/2.1.0/gems/arel-5.0.1.20140414130214/lib/arel/nodes/function.rb
angular-rails4-templates-0.3.0 vendor/ruby/2.1.0/gems/arel-5.0.1.20140414130214/lib/arel/nodes/function.rb
arel-5.0.1.20140414130214 lib/arel/nodes/function.rb
arel-4.0.2 lib/arel/nodes/function.rb
arel-5.0.0 lib/arel/nodes/function.rb
arel-4.0.1 lib/arel/nodes/function.rb