fix map

Author: notauserx

src/query/sql/src/planner/semantic/type_check.rs

@@ -738,7 +738,7 @@ impl<'a> TypeChecker<'a> {
                                 Self::all_sugar_functions()
                                     .iter()
                                     .cloned()
-                                    .map(str::to_string),
+                                    .map(|ascii| ascii.into_inner()),
                             );
                         let mut engine: SimSearch<String> = SimSearch::new();
                         for func_name in all_funcs {