fix(oracle): export portable table DDL

crates/dbx-web/src/routes/schema.rs

@@ -28,6 +28,7 @@ pub struct SchemaQuery {
     pub apply_visible_filter: Option<bool>,
     pub client_session_id: Option<String>,
     pub include_postgres_access: Option<bool>,
+    pub portable: Option<bool>,
 }
 
 #[derive(Deserialize)]
@@ -646,6 +647,17 @@ pub async fn get_ddl(
         dbx_core::schema::get_doris_catalog_table_ddl_core(&state.app, &q.connection_id, &catalog, database, table)
             .await
             .map_err(AppError::from)?
+    } else if q.portable.unwrap_or(false) {
+        dbx_core::schema::get_table_export_ddl_core(
+            &state.app,
+            &q.connection_id,
+            database,
+            schema,
+            table,
+            q.object_type,
+        )
+        .await
+        .map_err(AppError::from)?
     } else if q.include_postgres_access.unwrap_or(false) {
         dbx_core::schema::get_table_display_ddl_core(
             &state.app,