What's this project for?
This project rebuild the SQLite database from source code, and provide a static library for other projects to link with. This project added FTS support for SQLite.
Why create such a project while iOS already provide sqlite library?
Because the SQLite library provided by Apple does not include FTS moudle. Thus, you can not use powerful SQLite FTS feature.
How to use FTS with SQLite?
Visit SQLite's official FTS page for more detailed information.