Derive: Fully qualify async_trait and drop use

Author: Szymongib

README.md

@@ -5,7 +5,6 @@ This crate provides a proc macro that generates code for inserting structs into
 ## Example
 
 ```rust
-use async_trait::async_trait;
 use sqlx::Postgres;
 use sqlx::Sqlite;
 use sqlx_insert::SQLInsert;

sqlx_insert/src/lib.rs

@@ -18,7 +18,6 @@ use async_trait::async_trait;
 ///
 /// Example:
 /// ```rust
-/// use async_trait::async_trait;
 /// use sqlx::Postgres;
 /// use sqlx::Sqlite;
 /// use sqlx_insert::SQLInsert;
@@ -43,7 +42,6 @@ pub use sqlx_insert_derive::SQLInsert;
 ///
 /// Example:
 /// ```rust
-/// use async_trait::async_trait;
 /// use sqlx::Postgres;
 /// use sqlx::Sqlite;
 /// use sqlx::PgConnection;

sqlx_insert/tests/tests.rs

@@ -1,4 +1,3 @@
-use async_trait::async_trait;
 use sqlx::FromRow;
 use sqlx::Postgres;
 use sqlx::Row;

sqlx_insert/tests/ui/not_compatible_fields.rs

@@ -1,5 +1,4 @@
 use sqlx_insert::SQLInsert;
-use async_trait::async_trait;
 use sqlx::Postgres;
 
 #[derive(SQLInsert, Clone, Debug)]

sqlx_insert/tests/ui/not_compatible_fields.stderr

@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `ComplexType: Type<Postgres>` is not satisfied
- --> tests/ui/not_compatible_fields.rs:5:10
+ --> tests/ui/not_compatible_fields.rs:4:10
   |
-5 | #[derive(SQLInsert, Clone, Debug)]
+4 | #[derive(SQLInsert, Clone, Debug)]
   |          ^^^^^^^^^ the trait `Type<Postgres>` is not implemented for `ComplexType`
   |
   = help: the following other types implement trait `Type<DB>`:

sqlx_insert/tests/ui/unknown_database.rs

@@ -1,6 +1,4 @@
 use sqlx_insert::SQLInsert;
-use async_trait::async_trait;
-
 pub struct MariaDB;
 
 #[derive(SQLInsert, Clone, Debug)]

sqlx_insert/tests/ui/unknown_database.stderr

@@ -1,7 +1,7 @@
 error[E0277]: the trait bound `i32: Type<MariaDB>` is not satisfied
- --> tests/ui/unknown_database.rs:6:10
+ --> tests/ui/unknown_database.rs:4:10
   |
-6 | #[derive(SQLInsert, Clone, Debug)]
+4 | #[derive(SQLInsert, Clone, Debug)]
   |          ^^^^^^^^^ the trait `Type<MariaDB>` is not implemented for `i32`
   |
   = help: the following other types implement trait `Type<DB>`:
@@ -12,9 +12,9 @@ error[E0277]: the trait bound `i32: Type<MariaDB>` is not satisfied
   = note: this error originates in the derive macro `SQLInsert` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: the trait bound `std::string::String: Type<MariaDB>` is not satisfied
- --> tests/ui/unknown_database.rs:6:10
+ --> tests/ui/unknown_database.rs:4:10
   |
-6 | #[derive(SQLInsert, Clone, Debug)]
+4 | #[derive(SQLInsert, Clone, Debug)]
   |          ^^^^^^^^^ the trait `Type<MariaDB>` is not implemented for `std::string::String`
   |
   = help: the following other types implement trait `Type<DB>`:
@@ -25,9 +25,9 @@ error[E0277]: the trait bound `std::string::String: Type<MariaDB>` is not satisf
   = note: this error originates in the derive macro `SQLInsert` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: the trait bound `MariaDB: sqlx::Database` is not satisfied
- --> tests/ui/unknown_database.rs:6:10
+ --> tests/ui/unknown_database.rs:4:10
   |
-6 | #[derive(SQLInsert, Clone, Debug)]
+4 | #[derive(SQLInsert, Clone, Debug)]
   |          ^^^^^^^^^ the trait `sqlx::Database` is not implemented for `MariaDB`
   |
   = help: the following other types implement trait `sqlx::Database`:
@@ -42,9 +42,9 @@ note: required by a bound in `SQLInsert`
   = note: this error originates in the derive macro `SQLInsert` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error[E0277]: the trait bound `MariaDB: sqlx::Database` is not satisfied
- --> tests/ui/unknown_database.rs:6:10
+ --> tests/ui/unknown_database.rs:4:10
   |
-6 | #[derive(SQLInsert, Clone, Debug)]
+4 | #[derive(SQLInsert, Clone, Debug)]
   |          ^^^^^^^^^ the trait `sqlx::Database` is not implemented for `MariaDB`
   |
   = help: the following other types implement trait `sqlx::Database`:

sqlx_insert/tests/ui/unnamed_fields.rs

@@ -1,5 +1,4 @@
 use sqlx_insert::SQLInsert;
-use async_trait::async_trait;
 use sqlx::Postgres;
 
 #[derive(SQLInsert, Clone, Debug)]

sqlx_insert/tests/ui/unnamed_fields.stderr

@@ -1,21 +1,15 @@
 error: proc-macro derive panicked
- --> tests/ui/unnamed_fields.rs:5:10
+ --> tests/ui/unnamed_fields.rs:4:10
   |
-5 | #[derive(SQLInsert, Clone, Debug)]
+4 | #[derive(SQLInsert, Clone, Debug)]
   |          ^^^^^^^^^
   |
   = help: message: failed to expand SQLInsert macro: Error("only named struct fields are supported")
 
-warning: unused import: `async_trait::async_trait`
+warning: unused import: `sqlx::Postgres`
  --> tests/ui/unnamed_fields.rs:2:5
   |
-2 | use async_trait::async_trait;
-  |     ^^^^^^^^^^^^^^^^^^^^^^^^
+2 | use sqlx::Postgres;
+  |     ^^^^^^^^^^^^^^
   |
   = note: `#[warn(unused_imports)]` on by default
-
-warning: unused import: `sqlx::Postgres`
- --> tests/ui/unnamed_fields.rs:3:5
-  |
-3 | use sqlx::Postgres;
-  |     ^^^^^^^^^^^^^^

sqlx_insert/tests/ui/unsupported_types.rs

@@ -1,5 +1,4 @@
 use sqlx_insert::SQLInsert;
-use async_trait::async_trait;
 use sqlx::Postgres;
 
 #[derive(SQLInsert, Clone, Debug)]