Since both `insert_page` and `insert_note` need to insert a note,
having that code twice in the same block was annoying, especially
since discovering that my oh-so-clever use of `include_str!`
precludes me from using the `query!` macros, which want the strings
included *before* doing analysis.
All that wrestling with the Transaction type turned out to be much
simpler when I was able to just devolve it into an Executor.
In the great tradition of TPP, this is a win. We've gone through
the test driven development, and there is so much *learning* here:
- tokio::test NEEDS the threaded_schedular feature to report errors correctly
- thiserror can't do enum variants the way I expected
- Different error types for different returns is not kosher
- Serde's configuration NEEDS a type, such as JSON, to work,
- Rust has include_str!(), to embed text in a Rust program from an external source
- SQLX is still a pain, but it's managable.
Elf M. Sternberg