diff --git a/sqlx-core/src/blocking/executor.rs b/sqlx-core/src/blocking/executor.rs
index 823ab795..a2c50357 100644
--- a/sqlx-core/src/blocking/executor.rs
+++ b/sqlx-core/src/blocking/executor.rs
@@ -5,27 +5,89 @@ pub trait Executor<Rt: Runtime>: crate::Executor<Rt>
 where
     Self::Database: Database,
 {
-    fn execute<'x, 'e, 'q>(
+    /// Execute the SQL query and return information about the result, including
+    /// the number of rows affected, if any.
+    fn execute<'x, 'e, 'q, 'a, E>(
         &'e mut self,
-        sql: &'q str,
+        query: E,
     ) -> crate::Result<<Self::Database as Database>::QueryResult>
     where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
         'e: 'x,
-        'q: 'x;
+        'q: 'x,
+        'a: 'x;
 
-    fn fetch_all<'x, 'e, 'q>(
+    fn fetch_all<'x, 'e, 'q, 'a, E>(
         &'e mut self,
-        sql: &'q str,
+        query: E,
     ) -> crate::Result<Vec<<Self::Database as Database>::Row>>
     where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
         'e: 'x,
-        'q: 'x;
+        'q: 'x,
+        'a: 'x;
 
-    fn fetch_optional<'x, 'e, 'q>(
+    fn fetch_optional<'x, 'e, 'q, 'a, E>(
         &'e mut self,
-        sql: &'q str,
+        query: E,
     ) -> crate::Result<Option<<Self::Database as Database>::Row>>
     where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
         'e: 'x,
-        'q: 'x;
+        'q: 'x,
+        'a: 'x;
+
+    fn fetch_one<'x, 'e, 'q, 'a, E>(
+        &'e mut self,
+        query: E,
+    ) -> crate::Result<<Self::Database as Database>::Row>
+    where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
+        'e: 'x,
+        'q: 'x,
+        'a: 'x,
+    {
+        Executor::fetch_optional(self, query)?.ok_or(crate::Error::RowNotFound)
+    }
+}
+
+impl<Rt: Runtime, X: Executor<Rt>> Executor<Rt> for &'_ mut X {
+    fn execute<'x, 'e, 'q, 'a, E>(
+        &'e mut self,
+        query: E,
+    ) -> crate::Result<<Self::Database as Database>::QueryResult>
+    where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
+        'e: 'x,
+        'q: 'x,
+        'a: 'x,
+    {
+        Executor::execute(&mut **self, query)
+    }
+
+    fn fetch_all<'x, 'e, 'q, 'a, E>(
+        &'e mut self,
+        query: E,
+    ) -> crate::Result<Vec<<Self::Database as Database>::Row>>
+    where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
+        'e: 'x,
+        'q: 'x,
+        'a: 'x,
+    {
+        Executor::fetch_all(&mut **self, query)
+    }
+
+    fn fetch_optional<'x, 'e, 'q, 'a, E>(
+        &'e mut self,
+        query: E,
+    ) -> crate::Result<Option<<Self::Database as Database>::Row>>
+    where
+        E: 'x + crate::Execute<'q, 'a, Self::Database>,
+        'e: 'x,
+        'q: 'x,
+        'a: 'x,
+    {
+        Executor::fetch_optional(&mut **self, query)
+    }
 }