It look like this has now been added ([d091150ff80709a1](https://www.sqlite.org/src/info/d091150ff80709a1)), so hopefully the next version of SQLite will include this.
It look like this has now been added ([d091150ff80709a1](https://www.sqlite.org/src/info/d091150ff80709a1)), so hopefully the next version of SQLite will include this.