Class: ActiveRecord::Reflection::AggregateReflection

Inherits:

MacroReflection

• Object
• AbstractReflection
• MacroReflection
• ActiveRecord::Reflection::AggregateReflection

Defined in:

activerecord/lib/active_record/reflection.rb

Overview

Holds all the metadata about an aggregation as it was specified in the Active Record class.

Instance Attribute Summary

Attributes inherited from MacroReflection

#active_record, #name, #options, #plural_name, #scope

Instance Method Summary

• #mapping ⇒ Object

  :nodoc:.

Methods inherited from MacroReflection

#==, #autosave=, #compute_class, #initialize, #klass, #scope_for

Methods inherited from AbstractReflection

#alias_candidate, #build_association, #build_scope, #chain, #check_validity_of_inverse!, #class_name, #constraints, #counter_cache_column, #counter_must_be_updated_by_has_many?, #get_join_keys, #has_cached_counter?, #inverse_of, #inverse_updates_counter_in_memory?, #inverse_which_updates_counter_cache, #join_foreign_key, #join_keys, #join_primary_key, #join_scope, #join_scopes, #klass_join_scope, #scopes, #table_name, #through_reflection?

Constructor Details

This class inherits a constructor from ActiveRecord::Reflection::MacroReflection

Instance Method Details

#mapping ⇒ Object

:nodoc:

# File 'activerecord/lib/active_record/reflection.rb', line 409

def mapping
  mapping = options[:mapping] || [name, name]
  mapping.first.is_a?(Array) ? mapping : [mapping]
end