Refactoring

src/query/insert.rs

@@ -136,7 +136,7 @@ where
                 columns.push(col);
                 let val = av.into_value().unwrap();
                 let expr = if let Some(enum_name) = enum_name {
-                    Func::cast_as(val, Alias::new(&enum_name))
+                    Func::cast_as(val, Alias::new(enum_name))
                 } else {
                     Expr::val(val).into()
                 };

src/query/select.rs

@@ -120,12 +120,11 @@ where
                 let col_def = col.def();
                 let enum_name = col_def.get_column_type().get_enum_name();
                 let col_expr = Expr::tbl(table.clone(), col);
-                let col_expr = if let Some(_) = enum_name {
+                if enum_name.is_some() {
                     Func::cast_expr_as(col_expr, Alias::new("text"))
                 } else {
                     col_expr.into()
-                };
+                }
-                col_expr
             })
             .collect()
     }

src/query/update.rs

@@ -110,7 +110,7 @@ where
             if av.is_set() {
                 let val = av.into_value().unwrap();
                 let expr = if let Some(enum_name) = enum_name {
-                    Func::cast_as(val, Alias::new(&enum_name))
+                    Func::cast_as(val, Alias::new(enum_name))
                 } else {
                     Expr::val(val).into()
                 };