Add escaping of identifiers in MYSQL

Change-Id: I225a78ed3789b69b3b50582c3c04691c909de26a
Add escaping of identifiers in SQLite

Change-Id: Ia5a373469e7079553c63b505825ec9ddbb1be554
Merge changes Ia5a37346,I225a78ed

* changes:
  Add escaping of identifiers in SQLite
  Add escaping of identifiers in MYSQL