From 14f71e80d30d72631b4ca53e2499b55002cb9ab7 Mon Sep 17 00:00:00 2001
From: Jan Prochazka <jan.prochazka@gmail.com>
Date: Thu, 1 Sep 2022 13:35:51 +0200
Subject: [PATCH] skip loading data without columns

---
 packages/datalib/src/PerspectiveDataLoader.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/datalib/src/PerspectiveDataLoader.ts b/packages/datalib/src/PerspectiveDataLoader.ts
index be5fd7c4..20f13ab7 100644
--- a/packages/datalib/src/PerspectiveDataLoader.ts
+++ b/packages/datalib/src/PerspectiveDataLoader.ts
@@ -96,6 +96,10 @@ export class PerspectiveDataLoader {
   async loadData(props: PerspectiveDataLoadProps) {
     const { schemaName, pureName, bindingColumns, bindingValues, dataColumns, orderBy, condition } = props;
 
+    if (dataColumns?.length == 0) {
+      return [];
+    }
+
     const select: Select = {
       commandType: 'select',
       from: {