Class: Veritas::Optimizer::Function::Connective::Conjunction::OptimizableToExclusion

Inherits:

Veritas::Optimizer::Function::Connective::Conjunction

• Object
• Veritas::Optimizer
• Binary
• Veritas::Optimizer::Function::Connective::Conjunction
• Veritas::Optimizer::Function::Connective::Conjunction::OptimizableToExclusion

Defined in:

lib/veritas/optimizer/function/connective/conjunction.rb

Overview

Optimize when the operands are inequality predicates for the same attribute

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

• #optimizable? ⇒ Boolean private

  Test if the operands are inequality predicates for the same attribute.

• #optimize ⇒ Exclusion private

  Return an Exclusion for an attribute against a set of values.

Methods included from Binary

#initialize

Methods inherited from Veritas::Optimizer

chain, #initialize

Instance Method Details

#optimizable? ⇒ Boolean

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.

Test if the operands are inequality predicates for the same attribute

Returns:

• (Boolean)

# File 'lib/veritas/optimizer/function/connective/conjunction.rb', line 65

def optimizable?
  inequality_with_same_attributes?
end

#optimize ⇒ Exclusion

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 an Exclusion for an attribute against a set of values

Returns:

• (Exclusion)

# File 'lib/veritas/optimizer/function/connective/conjunction.rb', line 74

def optimize
  left.left.exclude(merged_right_enumerables).optimize
end