Derive clone for mysql and mssql arguments (#1736)

sqlx-core/src/mssql/arguments.rs

@@ -5,7 +5,7 @@ use crate::mssql::io::MssqlBufMutExt;
 use crate::mssql::protocol::rpc::StatusFlags;
 use crate::types::Type;
 
-#[derive(Default)]
+#[derive(Default, Clone)]
 pub struct MssqlArguments {
     // next ordinal to be used when formatting a positional parameter name
     pub(crate) ordinal: usize,

sqlx-core/src/mysql/arguments.rs

@@ -4,7 +4,7 @@ use crate::mysql::{MySql, MySqlTypeInfo};
 use crate::types::Type;
 
 /// Implementation of [`Arguments`] for MySQL.
-#[derive(Debug, Default)]
+#[derive(Debug, Default, Clone)]
 pub struct MySqlArguments {
     pub(crate) values: Vec<u8>,
     pub(crate) types: Vec<MySqlTypeInfo>,