let mut conn: PoolConnection<Sqlite> = pool.acquire().await?;

// Insert the task, then obtain the ID of this row
let id = sqlx::query!(
  r#"
INSERT INTO todos ( description )
VALUES ( ?1 )
  "#,
  description
)
.execute(&mut conn)
.await?
.last_insert_rowid();

error[E0277]: the trait bound `&mut sqlx::pool::PoolConnection<Sqlite>: Executor<'_>` is not satisfied
   --> examples/sqlite/todos/src/main.rs:60:14
    |
60  |     .execute(&mut conn)
    |      ------- ^^^^^^^^^ the trait `Executor<'_>` is not implemented for `&mut sqlx::pool::PoolConnection<Sqlite>`
    |      |
    |      required by a bound introduced by this call
    |
    = help: the following other types implement trait `Executor<'c>`:
              <&'c mut AnyConnection as Executor<'c>>
              <&'c mut SqliteConnection as Executor<'c>>
              <&Pool<DB> as Executor<'p>>
note: required by a bound in `Query::<'q, DB, A>::execute`
   --> /sqlx/sqlx-core/src/query.rs:151:12
    |
151 |         E: Executor<'c, Database = DB>,
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Query::<'q, DB, A>::execute`