fix: remove leftover relations from col_relations on model delete

Signed-off-by: mertmit <mertmit99@gmail.com>

packages/nocodb/src/lib/models/Base.ts

@@ -278,7 +278,7 @@ export default class Base implements BaseType {
       ncMeta
     );
     for (const model of models) {
-      await model.delete(ncMeta);
+      await model.delete(ncMeta, true);
     }
     await NocoCache.deepDel(
       CacheScope.BASE,

packages/nocodb/src/lib/models/Model.ts

@@ -345,7 +345,7 @@ export default class Model implements TableType {
     });
   }
 
-  async delete(ncMeta = Noco.ncMeta): Promise<boolean> {
+  async delete(ncMeta = Noco.ncMeta, force = false): Promise<boolean> {
     await Audit.deleteRowComments(this.id);
 
     for (const view of await this.getViews(true)) {
@@ -391,6 +391,26 @@ export default class Model implements TableType {
       }
     }
 
+    if (force) {
+      const leftOverColumns = await ncMeta.metaList2(null, null, MetaTable.COL_RELATIONS, {
+        condition: {
+          fk_related_model_id: this.id,
+        },
+      });
+
+      for (const col of leftOverColumns) {
+        await NocoCache.deepDel(
+          CacheScope.COL_RELATION,
+          `${CacheScope.COL_RELATION}:${col.fk_column_id}`,
+          CacheDelDirection.CHILD_TO_PARENT
+        );
+      }
+
+      await ncMeta.metaDelete(null, null, MetaTable.COL_RELATIONS, {
+        fk_related_model_id: this.id,
+      });
+    }
+    
     await NocoCache.deepDel(
       CacheScope.COLUMN,
       `${CacheScope.COLUMN}:${this.id}`,