Add latest changes from gitlab-org/gitlab@master

1 files changed, 4 insertions, 3 deletions

diff --git a/lib/gitlab/database.rb b/lib/gitlab/database.rb
index 82ec740ade1..a614e68703c 100644
--- a/lib/gitlab/database.rb
+++ b/lib/gitlab/database.rb
@@ -204,15 +204,16 @@ module Gitlab
     # pool_size - The size of the DB pool.
     # host - An optional host name to use instead of the default one.
     def self.create_connection_pool(pool_size, host = nil, port = nil)
-      # See activerecord-4.2.7.1/lib/active_record/connection_adapters/connection_specification.rb
       env = Rails.env
-      original_config = ActiveRecord::Base.configurations
+      original_config = ActiveRecord::Base.configurations.to_h
 
       env_config = original_config[env].merge('pool' => pool_size)
       env_config['host'] = host if host
       env_config['port'] = port if port
 
-      config = original_config.merge(env => env_config)
+      config = ActiveRecord::DatabaseConfigurations.new(
+        original_config.merge(env => env_config)
+      )
 
       spec =
         ActiveRecord::