Implement projection queries correctly.

service/datastore/serialize/serialize_test.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package serialize
 
 import (
         "bytes"
         "fmt"
         "io"
@@ skipping 79 matching lines @@
                         "geo",
                         ds.PropertyMap{
                                 "G": {mp(ds.GeoPoint{Lat: 1, Lng: 2})},
                         },
                 },
                 {
                         "data",
                         ds.PropertyMap{
                                 "S":          {mp("sup"), mp("fool"), mp("nerd")},
                                 "D.Foo.Nerd": {mp([]byte("sup")), mp([]byte("fool"))},
-                                "B":          {mp(ds.ByteString("sup")), mp(ds.ByteString("fool"))},
                         },
                 },
                 {
                         "time",
                         ds.PropertyMap{
                                 "T": {
                                         mp(time.Now().UTC()),
                                         mp(time.Now().Add(time.Second).UTC())},
                         },
                 },
@@ skipping 335 matching lines @@
                                 for i := 0; i < MaxIndexColumns+1; i++ {
                                         id.SortBy = append(id.SortBy, ds.IndexColumn{Property: "Hi", Direction: ds.ASCENDING})
                                 }
                                 data := ToBytes(*id.PrepForIdxTable())
                                 newID, err = ReadIndexDefinition(mkBuf(data))
                                 So(err, ShouldErrLike, "over 64 sort orders")
                         })
                 })
         })
 }