Implement AnyQueryResult for Sqlite and MySQL (#3608)

* impl AnyQueryResult for Sqlite and MySQL

* fix MySQL AnyQueryResult

* fix MySQL AnyQueryResult

* fix manifest

* rewrite `use` and address implementation concerns

sqlx-sqlite/src/query_result.rs

@@ -24,3 +24,17 @@ impl Extend<SqliteQueryResult> for SqliteQueryResult {
         }
     }
 }
+
+#[cfg(feature = "any")]
+impl From<SqliteQueryResult> for sqlx_core::any::AnyQueryResult {
+    fn from(done: SqliteQueryResult) -> Self {
+        let last_insert_id = match done.last_insert_rowid() {
+            0 => None,
+            n => Some(n),
+        };
+        sqlx_core::any::AnyQueryResult {
+            rows_affected: done.rows_affected(),
+            last_insert_id,
+        }
+    }
+}