fix associations when using per class databases

would get ConnectionNotEstablished error because it always tried to use
ActiveRecord::Base's connection, even though it should be using the connection
of the model whose context we're operating in

1 files changed, 1 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index 827b01c5ac..cd366ac8b7 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -13,7 +13,7 @@ module ActiveRecord
         @join_parts    = [JoinBase.new(base)]
         @associations  = {}
         @reflections   = []
-        @alias_tracker = AliasTracker.new(joins)
+        @alias_tracker = AliasTracker.new(base.connection, joins)
         @alias_tracker.aliased_name_for(base.table_name) # Updates the count for base.table_name to 1
         build(associations)
       end