Class: Veritas::Optimizer::Relation::Operation::Combination::EmptyLeft

Inherits:

Veritas::Optimizer::Relation::Operation::Combination

• Object
• Veritas::Optimizer
• Binary
• Veritas::Optimizer::Relation::Operation::Combination
• Veritas::Optimizer::Relation::Operation::Combination::EmptyLeft

Includes:

Binary::EmptyLeft

Defined in:

lib/veritas/optimizer/relation/operation/combination.rb

Overview

Optimize when the left operand is Empty

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 Binary::EmptyLeft

#optimizable?

Methods inherited from Veritas::Optimizer::Relation::Operation::Combination

#optimize

Methods included from Function::Binary

#initialize

Methods inherited from Veritas::Optimizer

chain, #initialize, #optimizable?, #optimize