PostgreSQL: correctly quote microseconds in timestamps. Closes #5641.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4579 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* PostgreSQL: correctly quote microseconds in timestamps. #5641 [rick@rickbradley.com]
+
 * Clearer has_one/belongs_to model names (account has_one :user). #5632 [matt@mattmargolis.net]
 
 * Oracle: use nonblocking queries if allow_concurrency is set, fix pessimistic locking, don't guess date vs. time by default (set OracleAdapter.emulate_dates = true for the old behavior), adapter cleanup. #5635 [schoenm@earthlink.net]

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -125,7 +125,7 @@ def quote_column_name(name)
       end
 
       def quoted_date(value)
-        value.strftime("%Y-%m-%d %H:%M:%S.#{value.usec}")
+        value.strftime("%Y-%m-%d %H:%M:%S.#{sprintf("%06d", value.usec)}")
       end
 
 

activerecord/test/base_test.rb

@@ -320,6 +320,7 @@ def test_preserving_time_objects
     if current_adapter?(:PostgreSQLAdapter)
       assert_equal 11, Topic.find(1).written_on.sec
       assert_equal 223300, Topic.find(1).written_on.usec
+      assert_equal 9900, Topic.find(2).written_on.usec
     end
   end
   

activerecord/test/fixtures/topics.yml

@@ -14,7 +14,7 @@ second:
   id: 2
   title: The Second Topic's of the day
   author_name: Mary
-  written_on: 2003-07-15t15:28:00.00+01:00
+  written_on: 2003-07-15t15:28:00.0099+01:00
   content: Have a nice day
   approved: true
   replies_count: 0