Class: Veritas::Optimizer::Algebra::Intersection::EqualOperands

Inherits:

Veritas::Optimizer::Algebra::Intersection

• Object
• Veritas::Optimizer
• Relation::Operation::Binary
• Veritas::Optimizer::Algebra::Intersection
• Veritas::Optimizer::Algebra::Intersection::EqualOperands

Includes:

Relation::Operation::Binary::EqualOperands

Defined in:

lib/veritas/optimizer/algebra/intersection.rb

Overview

Optimize when operands are equal

Constant Summary

Constants inherited from Veritas::Optimizer

Noop, VERSION

Instance Attribute Summary

Attributes included from Function::Binary

#left, #right

Attributes inherited from Veritas::Optimizer

#operation

Instance Method Summary

• #optimize ⇒ Relation private

  An Intersection with equal operands is equivalent to either operand.

Methods included from Relation::Operation::Binary::EqualOperands

#optimizable?

Methods included from Function::Binary

#initialize

Methods inherited from Veritas::Optimizer

chain, #initialize, #optimizable?

Instance Method Details

#optimize ⇒ Relation

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.

An Intersection with equal operands is equivalent to either operand

Returns:

• (Relation)

# File 'lib/veritas/optimizer/algebra/intersection.rb', line 19

def optimize
  left
end