bugfix

dataloader/dataloader.py

@@ -14,6 +14,8 @@ class CBObject:
 	async def handle(self,ws):
 		db = DBPools()
 		async with db.sqlorContext(self.db) as sor:
+			delete_sql = "delete from %s" % self.tbl
+			await sor.sqlExe(delete_sql, {})
 			info = await sor.I(self.tbl)
 			for rec in getRecord(ws):
 				r = [ v for v in rec.values() if v is not None ]

dataloader/typeconv.py

@@ -14,7 +14,7 @@ def conv(info, name, value):
 	for f in fields:
 		if f['name'] == name:
 			f = convfuncs.get(f['type'], None)
-			if f is None:
+			if f is None or value is None:
 				return value
 			return f(value)
 	return value