- Remove empty creators from the database -- they shouldn't exist and were causing sync errors for some people

- Better logging for errors in metadata pane

triggers.sql

@@ -1,4 +1,4 @@
--- 9
+-- 10
 
 -- Triggers to validate date field
 DROP TRIGGER IF EXISTS insert_date_field;
@@ -28,6 +28,22 @@ CREATE TRIGGER update_date_field BEFORE UPDATE ON itemData
   END;
 
 
+-- Don't allow empty creators
+DROP TRIGGER IF EXISTS insert_creatorData;
+CREATE TRIGGER insert_creatorData BEFORE INSERT ON creatorData
+  FOR EACH ROW WHEN NEW.firstName='' AND NEW.lastName=''
+  BEGIN
+    SELECT RAISE (ABORT, 'Creator names cannot be empty');
+  END;
+
+DROP TRIGGER IF EXISTS update_creatorData;
+CREATE TRIGGER update_creatorData BEFORE UPDATE ON creatorData
+  FOR EACH ROW WHEN NEW.firstName='' AND NEW.lastName=''
+  BEGIN
+    SELECT RAISE (ABORT, 'Creator names cannot be empty');
+  END;
+
+
 --
 -- Fake foreign key constraint checks using triggers
 --