CoreData alternative GRDB

[saroar]

Hi I was thinking for long time which will be good choice for alternative CoreData so I end up with GRDB
and I copy TodoApp from TCA and implement GRDB

base one @tgrapperon advice

Here are original code from GRDB
Here is TCA way
Previous discussion

I will love to hear any feed back if I need to update this app code make as perfect as possible so anyone can use it
only one issue I am having rit now can not update

Thanks @tgrapperon