X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FTSN%2FXML%2FScores.hs;h=8ae86a8355e3fc24dcb1d208fe66c712b61d7868;hb=e96fc68293b6ac51eb0e8a4fe9ac9afa515cca83;hp=ef2330c6060f01686d6c1499d265c73d1f6b6fab;hpb=f131e49033be01a131234ea12a0864d6e719a520;p=dead%2Fhtsn-import.git

diff --git a/src/TSN/XML/Scores.hs b/src/TSN/XML/Scores.hs
index ef2330c..8ae86a8 100644
--- a/src/TSN/XML/Scores.hs
+++ b/src/TSN/XML/Scores.hs
@@ -67,6 +67,7 @@ import TSN.DbImport ( DbImport(..), ImportResult(..), run_dbmigrate )
 import TSN.Picklers ( xp_time_stamp )
 import TSN.XmlImport ( XmlImport(..), XmlImportFk(..) )
 import Xml (
+  Child(..),
   FromXml(..),
   FromXmlFk(..),
   ToDb(..),
@@ -128,6 +129,9 @@ instance ToDb Message where
   type Db Message = Score
 
 instance FromXml Message where
+  -- | When converting from the XML representation to the database
+  --   one, we drop the list of locations which will be foreign-keyed to
+  --   us instead.
   from_xml Message{..} =
     Score {
       db_xml_file_id = xml_xml_file_id,
@@ -202,12 +206,15 @@ instance ToDb ScoreGameXml where
   --
   type Db ScoreGameXml = ScoreGame
 
-instance FromXmlFk ScoreGameXml where
+
+instance Child ScoreGameXml where
   -- | Each 'ScoreGameXml' is contained in (i.e. has a foreign key to)
   --   a 'Score'.
   --
   type Parent ScoreGameXml = Score
 
+
+instance FromXmlFk ScoreGameXml where
   from_xml_fk fk ScoreGameXml{..} =
     ScoreGame {
       db_scores_id = fk,