fixed issue with STI on non-tables

src/database/compile/polymorphism.rs

@@ -9,7 +9,7 @@ impl Schema {
     errors: &mut Vec<crate::drop::Error>,
   ) {
     let mut options = std::collections::BTreeMap::new();
-    let mut strategy = String::new();
+    let strategy: &str;
 
     if let Some(family) = &self.obj.family {
       // Formalize the <Variant>.<Base> topology
@@ -24,7 +24,7 @@ impl Schema {
       if let Some(type_def) = db.types.get(&family_base) {
         if type_def.variations.len() > 1 && type_def.variations.iter().any(|v| v != &family_base) {
           // Scenario A / B: Table Variations
-          strategy = "type".to_string();
+          strategy = "type";
           for var in &type_def.variations {
             let target_id = if family_prefix.is_empty() {
               var.to_string()
@@ -38,7 +38,7 @@ impl Schema {
           }
         } else {
           // Scenario C: Single Table Inheritance (Horizontal)
-          strategy = "kind".to_string();
+          strategy = "kind";
 
           let suffix = format!(".{}", family_base);
 
@@ -50,6 +50,19 @@ impl Schema {
             }
           }
         }
+      } else {
+        // Scenario D: Field-Backed JSONB Bubble STI (No explicit table representation)
+        strategy = "kind";
+        let suffix = format!(".{}", family_base);
+
+        // Scan the entire database schemas registry for matching suffixes
+        for (id, schema) in &db.schemas {
+          if id.ends_with(&suffix) || id == &family_base {
+            if let Some(kind_val) = schema.obj.get_discriminator_value("kind", id) {
+              options.insert(kind_val, (None, Some(id.to_string())));
+            }
+          }
+        }
       }
     } else if let Some(one_of) = &self.obj.one_of {
       let mut type_vals = std::collections::HashSet::new();
@@ -84,7 +97,7 @@ impl Schema {
       }
 
       if disjoint_base && structural_types.len() == one_of.len() {
-        strategy = "".to_string();
+        strategy = "";
         for (i, c) in one_of.iter().enumerate() {
           if let Some(crate::database::object::SchemaTypeOrArray::Single(t)) = &c.obj.type_ {
             if crate::database::object::is_primitive_type(t) {
@@ -96,11 +109,11 @@ impl Schema {
         }
       } else {
         strategy = if type_vals.len() > 1 && type_vals.len() == one_of.len() {
-          "type".to_string()
+          "type"
         } else if kind_vals.len() > 1 && kind_vals.len() == one_of.len() {
-          "kind".to_string()
+          "kind"
         } else {
-          "".to_string()
+          ""
         };
 
         if strategy.is_empty() {
@@ -148,7 +161,7 @@ impl Schema {
 
     if !options.is_empty() {
       if !strategy.is_empty() {
-        let _ = self.obj.compiled_discriminator.set(strategy);
+        let _ = self.obj.compiled_discriminator.set(strategy.to_string());
       }
       let _ = self.obj.compiled_options.set(options);
     }