Function bind_relation_drop_target 

pub fn bind_relation_drop_target(
    catalog: &dyn RelationDropCatalog,
    name: &str,
    kind: DropKind,
    if_exists: bool,
    notice: &mut dyn FnMut(&str),
) -> Result<Option<String>, SQLError>

Resolve one requested name so execution can repeat the same policy after a lock wait.