Fix :time typecasting from Time to SQLTime for fractional seconds on …

…ruby 1.9

Thanks to John Anderson for pointing out this problem.

CHANGELOG

@@ -1,5 +1,7 @@
 === HEAD
 
+* Fix :time typecasting from Time to SQLTime for fractional seconds on ruby 1.9 (jeremyevans)
+
 * Have Dataset#select_append check supports_select_all_and_column? and select all from all FROM and JOIN tables if no columns selected (jeremyevans)
 
 * Add Dataset#supports_select_all_and_column? for checking if you can do SELECT *, column (jeremyevans)

lib/sequel/database/misc.rb

@@ -278,7 +278,7 @@ def typecast_value_time(value)
       when SQLTime
         value
       when Time
-        SQLTime.local(value.year, value.month, value.day, value.hour, value.min, value.sec, value.respond_to?(:nsec) ? value.nsec : value.usec)
+        SQLTime.local(value.year, value.month, value.day, value.hour, value.min, value.sec, value.respond_to?(:nsec) ? value.nsec/1000.0 : value.usec)
       when String
         Sequel.string_to_time(value)
       when Hash

spec/core/database_spec.rb

@@ -1544,6 +1544,13 @@ def @db.disconnect_connection(c)
     end
   end
 
+  specify "should correctly handle time value conversion to SQLTime with fractional seconds" do
+    t = Time.now
+    st = Sequel::SQLTime.local(t.year, t.month, t.day, 1, 2, 3, 500000)
+    t = Time.local(t.year, t.month, t.day, 1, 2, 3, 500000)
+    @db.typecast_value(:time, t).should == st
+  end
+
   specify "should have an underlying exception class available at wrapped_exception" do
     begin
       @db.typecast_value(:date, 'a')