Use Date#to_s(:db) for quoted dates. Closes #7411.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6061 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* Use Date#to_s(:db) for quoted dates.  #7411 [Michael Schoen]
+
 * Don't create instance writer methods for class attributes.  Closes #7401 [Rick]
 
 * Docs: validations examples.  #7343 [zackchandler]

activerecord/lib/active_record/connection_adapters/abstract/quoting.rb

@@ -25,9 +25,7 @@ def quote(value, column = nil)
           # BigDecimals need to be output in a non-normalized form and quoted.
           when BigDecimal               then value.to_s('F')
           else
-            if value.acts_like?(:date)
-              "'#{value.to_s}'"
-            elsif value.acts_like?(:time)
+            if value.acts_like?(:date) || value.acts_like?(:time)
               "'#{quoted_date(value)}'"
             else
               "'#{quote_string(value.to_yaml)}'"
@@ -50,13 +48,13 @@ def quote_column_name(name)
       def quoted_true
         "'t'"
       end
-      
+
       def quoted_false
         "'f'"
       end
-      
+
       def quoted_date(value)
-        value.strftime("%Y-%m-%d %H:%M:%S")
+        value.to_s(:db)
       end
     end
   end

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -125,8 +125,13 @@ def quote_column_name(name)
         %("#{name}")
       end
 
+      # Include microseconds if the value is a Time responding to usec.
       def quoted_date(value)
-        value.strftime("%Y-%m-%d %H:%M:%S.#{sprintf("%06d", value.usec)}")
+        if value.acts_like?(:time) && value.respond_to?(:usec)
+          "#{super}.#{sprintf("%06d", value.usec)}"
+        else
+          super
+        end
       end