fix(dojo-lang): ensure a model has at least one attribute that is not…

… a key (dojoengine#1323) fix: ensure a model has at least one attribute that is not a key
ArkProjectNFTs · Dec 20, 2023 · e351f0f · e351f0f
1 parent 90aeb26
commit e351f0f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/crates/dojo-lang/src/introspect.rs b/crates/dojo-lang/src/introspect.rs
@@ -279,6 +279,14 @@ fn handle_introspect_internal(
         size.push(format!("{}", size_precompute));
     }
 
+    if size.is_empty() {
+        panic!(
+            "The model `{}` has only keys, ensure you have at least one field without the #[key] \
+             attribute.",
+            name
+        );
+    }
+
     RewriteNode::interpolate_patched(
         "
 impl $name$Introspect<$generics$> of \