Class: Veritas::Optimizer::Algebra::Union

Inherits:

Relation::Operation::Binary

• Object
• Veritas::Optimizer
• Relation::Operation::Binary
• Veritas::Optimizer::Algebra::Union

Defined in:

lib/veritas/optimizer/algebra/union.rb

Overview

Abstract base class representing Difference optimizations

Direct Known Subclasses

EmptyLeft, EmptyRight, EqualOperands

Defined Under Namespace

Classes: EmptyLeft, EmptyRight, EqualOperands

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

Method Summary

Methods included from Function::Binary

#initialize

Methods inherited from Veritas::Optimizer

chain, #initialize, #optimizable?, #optimize