Class: Arel::Nodes::Ordering

Inherits:
Unary
  • Object
show all
Defined in:
lib/arel/visitors/teradata.rb

Overview

Extending the Ordering class to be comparrison friendly which allows us to call #uniq on a collection of them. See SelectManager#order for more details.

Instance Method Summary collapse

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/arel/visitors/teradata.rb', line 15

def ==(other)
  other.is_a?(Arel::Nodes::Ordering) && self.expr == other.expr
end

#eql?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/arel/visitors/teradata.rb', line 18

def eql?(other)
  self == other
end

#hash ⇒ Object 



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# File 'lib/arel/visitors/teradata.rb', line 12

def hash
  expr.hash
end