Derive clone for postgresql arguments

sqlx-postgres/src/arguments.rs

@@ -22,7 +22,7 @@ use sqlx_core::error::BoxDynError;
 //            that has a patch, we then apply the patch which should write to &mut Vec<u8>,
 //            backtrack and update the prefixed-len, then write until the next patch offset
 
-#[derive(Default)]
+#[derive(Default, Debug, Clone)]
 pub struct PgArgumentBuffer {
     buffer: Vec<u8>,
 
@@ -59,7 +59,7 @@ struct Patch {
 }
 
 /// Implementation of [`Arguments`] for PostgreSQL.
-#[derive(Default)]
+#[derive(Default, Debug, Clone)]
 pub struct PgArguments {
     // Types of each bind parameter
     pub(crate) types: Vec<PgTypeInfo>,