message: updating adapter to new object store
diff: @@ -116,7 +116,7 @@ public:
  if (primary_key) {
  std::string table_name = table.get_name();
  - if (primary_key->is_nullable) {
  + if (is_nullable(primary_key->type)) {
  auto& null_primaries = m_null_primaries[table_name];
  auto it = null_primaries.find(object_id);
  if (it != null_primaries.end())
  @@ -132,7 +132,7 @@ public:
  size_t row = sync::row_for_object_id(m_group, table, object_id);
  REALM_ASSERT(row != npos);
  - if (primary_key->is_nullable && table.is_null(primary_key->table_column, row)) {
  + if (is_nullable(primary_key->type) && table.is_null(primary_key->table_column, row)) {
  return nullptr;
  }
  return table.get_int(primary_key->table_column, row);
  