Class: Axiom::Optimizer::Algebra::Projection::UnoptimizedOperand

Inherits:

Axiom::Optimizer::Algebra::Projection

• Object
• Axiom::Optimizer
• Relation::Operation::Unary
• Axiom::Optimizer::Algebra::Projection
• Axiom::Optimizer::Algebra::Projection::UnoptimizedOperand

Includes:

Function::Unary::UnoptimizedOperand

Defined in:

lib/axiom/optimizer/algebra/projection.rb

Overview

Optimize when operand is optimizable

Constant Summary

Constants inherited from Axiom::Optimizer

Identity, VERSION

Instance Attribute Summary

Attributes inherited from Relation::Operation::Unary

#header

Attributes included from Function::Unary

#operand

Attributes inherited from Axiom::Optimizer

#operation

Instance Method Summary

• #optimize ⇒ Projection private

  Return a Projection with an optimized operand.

Methods included from Function::Unary::UnoptimizedOperand

#optimizable?

Methods inherited from Relation::Operation::Unary

#initialize

Methods included from Function::Unary

#initialize

Methods inherited from Axiom::Optimizer

chain, #initialize, #optimizable?

Constructor Details

This class inherits a constructor from Axiom::Optimizer::Relation::Operation::Unary

Instance Method Details

#optimize ⇒ Projection

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.

Return a Projection with an optimized operand

Returns:

• (Projection)

# File 'lib/axiom/optimizer/algebra/projection.rb', line 192

def optimize
  wrap_operand(operand)
end