feat(data-grid): support manual reference display values

crates/dbx-web/src/main.rs

@@ -423,6 +423,7 @@ async fn main() {
         .route("/schema/all-columns", get(routes::schema::get_all_columns))
         .route("/schema/data-types", get(routes::schema::list_data_types))
         .route("/schema/indexes", get(routes::schema::list_indexes))
+        .route("/schema/reference-key-columns", get(routes::schema::list_reference_key_columns))
         .route("/schema/foreign-keys", get(routes::schema::list_foreign_keys))
         .route("/schema/triggers", get(routes::schema::list_triggers))
         .route("/schema/constraints", get(routes::schema::list_constraints))

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

@@ -545,6 +545,26 @@ pub async fn list_indexes(
     Ok(Json(serde_json::to_value(result).map_err(|e| AppError::from(e.to_string()))?))
 }
 
+pub async fn list_reference_key_columns(
+    State(state): State<Arc<WebState>>,
+    Query(q): Query<SchemaQuery>,
+) -> Result<Json<Vec<String>>, AppError> {
+    let database = q.database.as_deref().unwrap_or("");
+    let schema = q.schema.as_deref().unwrap_or("");
+    let table = q.table.as_deref().unwrap_or("");
+    let catalog = external_doris_catalog(&state, &q.connection_id, q.catalog.as_deref()).await;
+    let indexes = if let Some(catalog) = catalog.as_deref() {
+        dbx_core::schema::list_doris_catalog_indexes_core(&state.app, &q.connection_id, catalog, database, table)
+            .await
+            .map_err(AppError::from)?
+    } else {
+        dbx_core::schema::list_indexes_core(&state.app, &q.connection_id, database, schema, table)
+            .await
+            .map_err(AppError::from)?
+    };
+    Ok(Json(dbx_core::schema::reference_key_columns_from_indexes(&indexes)))
+}
+
 pub async fn list_foreign_keys(
     State(state): State<Arc<WebState>>,
     Query(q): Query<SchemaQuery>,