def initialize(reflection, join_dependency, parent = nil)
reflection.check_validity!
if reflection.options[:polymorphic]
raise EagerLoadPolymorphicError.new(reflection)
end
super(reflection.klass)
@parent = parent
@reflection = reflection
@aliased_prefix = "t#{ join_dependency.joins.size }"
@aliased_table_name = table_name
@parent_table_name = parent.active_record.table_name
if !parent.table_joins.blank? && parent.table_joins.to_s.downcase =~ %r{join(\s+\w+)?\s+#{aliased_table_name.downcase}\son}
join_dependency.table_aliases[aliased_table_name] += 1
end
unless join_dependency.table_aliases[aliased_table_name].zero?
@aliased_table_name = active_record.connection.table_alias_for "#{pluralize(reflection.name)}_#{parent_table_name}"
table_index = join_dependency.table_aliases[aliased_table_name]
@aliased_table_name = @aliased_table_name[0..active_record.connection.table_alias_length-3] + "_#{table_index+1}" if table_index > 0
end
join_dependency.table_aliases[aliased_table_name] += 1
if reflection.macro == :has_and_belongs_to_many || (reflection.macro == :has_many && reflection.options[:through])
@aliased_join_table_name = reflection.macro == :has_and_belongs_to_many ? reflection.options[:join_table] : reflection.through_reflection.klass.table_name
unless join_dependency.table_aliases[aliased_join_table_name].zero?
@aliased_join_table_name = active_record.connection.table_alias_for "#{pluralize(reflection.name)}_#{parent_table_name}_join"
table_index = join_dependency.table_aliases[aliased_join_table_name]
@aliased_join_table_name = @aliased_join_table_name[0..active_record.connection.table_alias_length-3] + "_#{table_index+1}" if table_index > 0
end
join_dependency.table_aliases[aliased_join_table_name] += 1
end
end