From 39565475ad178ec0105267f0ddd10d876d84ef3b Mon Sep 17 00:00:00 2001
From: Charlie Kolb <charlie@n8n.io>
Date: Tue, 9 Sep 2025 14:46:05 +0200
Subject: [PATCH] fix(Data Table Node): Show node hint if selected table has no
 columns (no-changelog) (#19338)

---
 packages/nodes-base/nodes/DataTable/DataTable.node.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/nodes-base/nodes/DataTable/DataTable.node.ts b/packages/nodes-base/nodes/DataTable/DataTable.node.ts
index 40ccfbe384..e89e37d05c 100644
--- a/packages/nodes-base/nodes/DataTable/DataTable.node.ts
+++ b/packages/nodes-base/nodes/DataTable/DataTable.node.ts
@@ -29,6 +29,15 @@ export class DataTable implements INodeType {
 		hidden: true,
 		inputs: [NodeConnectionTypes.Main],
 		outputs: [NodeConnectionTypes.Main],
+		hints: [
+			{
+				message: 'The selected Data Table has no columns.',
+				displayCondition: '={{ $parameter.columns?.schema?.length === 0 }}',
+				whenToDisplay: 'always',
+				location: 'ndv',
+				type: 'warning',
+			},
+		],
 		properties: [
 			{
 				displayName: 'Resource',