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Versions: 29
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Stored size: 1.97 KB
Contents
module ActiveScaffold
module OuterJoins
extend ActiveSupport::Concern
attr_accessor :outer_joins_values
if Rails::VERSION::MAJOR < 4
included do
const_get(:MULTI_VALUE_METHODS) << :outer_joins
end
def outer_joins(*args)
return self if args.compact.blank?
relation = clone
args.flatten!
relation.joins_values += [''] # HACK: for using outer_joins in update_all/delete_all
relation.outer_joins_values += args
relation
end
else
def outer_joins_values
@values[:outer_joins] || []
end
def outer_joins_values=(values)
raise ImmutableRelation if @loaded
@values[:outer_joins] = values
end
def outer_joins(*args)
check_if_method_has_arguments!('outer_joins', args)
spawn.outer_joins!(*args.compact.flatten)
end
def outer_joins!(*args)
self.joins_values += [''] # HACK: for using outer_joins in update_all/delete_all
self.outer_joins_values += args
self
end
end
if Rails.version < '4.1'
def build_arel
if outer_joins_values.empty?
super
else
relation = except(:outer_joins)
join_dependency = ActiveRecord::Associations::JoinDependency.new(@klass, outer_joins_values, [])
join_dependency.join_associations.each do |association|
relation = association.join_relation(relation)
end
relation.build_arel
end
end
else
def build_arel
if outer_joins_values.empty?
super
else
relation = except(:outer_joins)
relation.joins! ActiveRecord::Associations::JoinDependency.new(@klass, outer_joins_values, [])
relation.build_arel
end
end
end
end
end
ActiveRecord::Relation.send :include, ActiveScaffold::OuterJoins
module ActiveRecord::Querying
delegate :outer_joins, :to => Rails::VERSION::MAJOR < 4 ? :scoped : :all
end
Version data entries
29 entries across 29 versions & 1 rubygems