Appengine model filtering problem

I've got an entity class:

class User(db.Model):
    local = db.Text开发者_C百科Property(required=True)
    jid = db.TextProperty(required=True)

Later in code I'm checking if a user exists:

def parseMessageFromJid(self, message, mesFrom) :
        #user = User.all().filter(' jid', mesFrom.lower().strip()).get()
        user = db.GqlQuery("SELECT * FROM User " +
                "WHERE jid = :1",
                mesFrom.lower().strip()).get()
    if user is None :
      if message.body.strip().lower().find("register") != 0 :
        message.reply(HELP_MSG)
      elif message.body.strip().lower().find("register") == 0 :
        uname = message.body.strip().replace("register ", "", 1).replace(" ", "") + "@mybot.com"
        user = User(jid=mesFrom,local=uname)
        user.put()
        message.reply("Ok. You are now registered.")
    else :
      # User registered, proceed
      self.send_to_bots(message, user.local)

I tried both approaches: gql and the commented code. Both approaches return None, althought the user is there: I can see it in my console and it is there when I do User.all(). What am I missing here?

TextProperty is not indexed. Use StringProperty