feat: adding check for unquoted literals in values()

Author: RS2007

core/translate/select.rs

@@ -525,6 +525,15 @@ fn prepare_one_select_plan(
 
             for value_row in values.iter_mut() {
                 for value in value_row.iter_mut() {
+                    // Before binding, we check for unquoted literals. Sqlite throws an error in this case
+                    if let ast::Expr::Id(id) = value.as_ref() {
+                        if !id.quoted() {
+                            crate::bail_parse_error!(
+                                "Unquoted identifier in VALUES clause: {}",
+                                id.as_str()
+                            );
+                        }
+                    }
                     bind_and_rewrite_expr(
                         value,
                         None,