diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/alias_tracker.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/alias_tracker.rb | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/activerecord/lib/active_record/associations/alias_tracker.rb b/activerecord/lib/active_record/associations/alias_tracker.rb index 096f016976..a8d8ee268a 100644 --- a/activerecord/lib/active_record/associations/alias_tracker.rb +++ b/activerecord/lib/active_record/associations/alias_tracker.rb @@ -6,22 +6,16 @@ module ActiveRecord module Associations # Keeps track of table aliases for ActiveRecord::Associations::JoinDependency class AliasTracker # :nodoc: - def self.create(connection, initial_table) - aliases = Hash.new(0) - aliases[initial_table] = 1 - new(connection, aliases) - end - - def self.create_with_joins(connection, initial_table, joins) + def self.create(connection, initial_table, joins) if joins.empty? - create(connection, initial_table) + aliases = Hash.new(0) else aliases = Hash.new { |h, k| h[k] = initial_count_for(connection, k, joins) } - aliases[initial_table] = 1 - new(connection, aliases) end + aliases[initial_table] = 1 + new(connection, aliases) end def self.initial_count_for(connection, name, table_joins) @@ -36,6 +30,8 @@ module ActiveRecord ).size elsif join.respond_to? :left join.left.table_name == name ? 1 : 0 + elsif join.is_a?(Hash) + join[name] else # this branch is reached by two tests: # @@ -79,10 +75,7 @@ module ActiveRecord end end - # TODO Change this to private once we've dropped Ruby 2.2 support. - # Workaround for Ruby 2.2 "private attribute?" warning. - protected - attr_reader :aliases + attr_reader :aliases private |