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Class: ActiveRecord::PredicateBuilder::ComparisonValue

Do not use. This class is for internal use only.

Class Method Summary

Instance Attribute Summary

::Arel::Nodes::Node - Inherited

#equality?

Instance Method Summary

::Arel::Math - Included

#&, #*, #+, #-, #/, #<<, #>>, #^, #|, #~@

::Arel::OrderPredications - Included

#asc, #desc

::Arel::AliasPredication - Included

#as

::Arel::Predications - Included

#between, #case_insensitive_eq, #case_sensitive_eq, #concat, #contains, #does_not_match, #does_not_match_all, #does_not_match_any, #does_not_match_regexp, #eq, #eq_all, #eq_any, #gt, #gt_all, #gt_any, #gteq, #gteq_all, #gteq_any, #in, #in_all, #in_any, #is_distinct_from, #is_not_distinct_from, #lt, #lt_all, #lt_any, #lteq, #lteq_all, #lteq_any, #matches, #matches_all, #matches_any, #matches_regexp, #not_between, #not_eq, #not_eq_all, #not_eq_any, #not_in, #not_in_all, #not_in_any, #overlaps, #quoted_array, #when, #grouping_all, #grouping_any, #infinity?, #open_ended?, #quoted_node, #unboundable?

::Arel::Expressions - Included

#average, #count, #extract, #maximum, #minimum, #sum

::Arel::Nodes::Node - Inherited

#and

Factory method to create an Nodes::And node.
#fetch_attribute, #invert,
#not

Factory method to create a Nodes::Not node that has the recipient of the caller as a child.
#or

Factory method to create a Nodes::Grouping node that has an Nodes::Or node as a child.
#to_sql

FIXME: this method should go away.

::Arel::FactoryMethods - Included

#cast, #coalesce, #create_and, #create_false, #create_join, #create_on, #create_string_join, #create_table_alias, #create_true, #grouping,
#lower

Create a LOWER() function.

Constructor Details

.new(query_attribute) ⇒ ComparisonValue

[ GitHub ] 

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 43



def initialize(query_attribute)
  @query_attribute = query_attribute
  @expression = query_attribute.type.comparison_expression(query_attribute)
end


  







Instance Attribute Details



  

    #expression   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 41



attr_reader :expression, :query_attribute


  








  

    #query_attribute   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 41



attr_reader :expression, :query_attribute


  








  

    #value_before_type_cast   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 48



delegate :infinite?, :nil?, :unboundable?, :value_before_type_cast, to: :query_attribute


  







Instance Method Details



  

    #==(other)  
    Also known as: #eql?
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 54



def ==(other)
  self.class == other.class &&
    expression == other.expression &&
    query_attribute == other.query_attribute
end


  








  

    #eql?(other)  
  



  

    
Alias for #==.

  



  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 59



alias eql? ==


  








  

    #hash  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 50



def hash
  [self.class, expression, query_attribute].hash
end


  








  

    #infinite?  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 48



delegate :infinite?, :nil?, :unboundable?, :value_before_type_cast, to: :query_attribute


  








  

    #nil?  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 48



delegate :infinite?, :nil?, :unboundable?, :value_before_type_cast, to: :query_attribute


  








  

    #unboundable?  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/comparison.rb', line 48



delegate :infinite?, :nil?, :unboundable?, :value_before_type_cast, to: :query_attribute