From 92a3c487bb0d125c437e53a7f45c31fcca97f2d9 Mon Sep 17 00:00:00 2001
From: Lars Kanis <kanis@comcard.de>
Date: Thu, 5 Jan 2012 12:58:51 +0100
Subject: Postgresql: restore previous behaviour regarding to nil values in
 connection specification Hash

---
 activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 859987fbe9..cf86caa21e 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -16,6 +16,7 @@ module ActiveRecord
       conn_params = config.except(:statement_limit, :encoding, :min_messages,
                                   :schema_search_path, :schema_order,
                                   :adapter, :pool, :wait_timeout)
+      conn_params.delete_if { |k,v| v.nil? }
 
       # Map ActiveRecords param names to PGs.
       conn_params[:user] = conn_params.delete(:username) if conn_params[:username]
-- 
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