error: database couldn't tell us the type of column #1 ("id"); this can happen for columns that are the result of an expression
 --> $DIR/expression-column-type.rs:2:13
  |
2 |     let _ = sqlx_oldapi::query!("select 1 as id");
  |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)