Class: Veritas::Optimizer::Function::Predicate::Inclusion::OneRightOperand

Inherits:

Veritas::Optimizer::Function::Predicate::Inclusion

• Object
• Veritas::Optimizer
• Veritas::Optimizer::Function::Predicate
• Veritas::Optimizer::Function::Predicate::Inclusion
• Veritas::Optimizer::Function::Predicate::Inclusion::OneRightOperand

Includes:

Enumerable::OneRightOperand

Defined in:

lib/veritas/optimizer/function/predicate/inclusion.rb

Overview

Optimize when the right operand has one entry

Constant Summary

Constants inherited from Veritas::Optimizer

Noop, VERSION

Instance Attribute Summary

Attributes included from Binary

#left, #right

Attributes inherited from Veritas::Optimizer

#operation

Instance Method Summary

• #optimize ⇒ Equality private

  An Inclusion with a single right operand is equivalent to an Equality.

Methods included from Enumerable::OneRightOperand

#optimizable?

Methods included from Enumerable

sort_by_value

Methods included from Binary

#initialize

Methods inherited from Veritas::Optimizer

chain, #initialize, #optimizable?

Instance Method Details

#optimize ⇒ Equality

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 Inclusion with a single right operand is equivalent to an Equality

Returns:

• (Equality)

# File 'lib/veritas/optimizer/function/predicate/inclusion.rb', line 26

def optimize
  left.eq(right.first)
end