Module: Veritas::Optimizer::Relation::Operation::Unary::OrderOperand

Included in:: Algebra::Extension::OrderOperand, Algebra::Projection::OrderOperand, Algebra::Rename::OrderOperand, Algebra::Restriction::OrderOperand, Algebra::Summarization::OrderOperand

Defined in:: lib/veritas/optimizer/relation/operation/unary.rb

Overview

Optimize when the operand is an Order

Instance Method Summary collapse

#optimizable? ⇒ Boolean private

Test if the operand is an Order.
#optimize ⇒ Order private

Drop the Order and wrap the operand.

Instance Method Details

#optimizable? ⇒ `Boolean`

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Test if the operand is an Order



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# File 'lib/veritas/optimizer/relation/operation/unary.rb', line 37

def optimizable?
  operand.kind_of?(Veritas::Relation::Operation::Order)
end

#optimize ⇒ `Order`

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Drop the Order and wrap the operand



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# File 'lib/veritas/optimizer/relation/operation/unary.rb', line 46

def optimize
  wrap_operand
end