From 2d9371a6b4b2f82026f9b4675937f6a31e5afd23 Mon Sep 17 00:00:00 2001
From: Nikhil Suri <nikhil.suri@databricks.com>
Date: Tue, 23 Dec 2025 18:19:24 +0530
Subject: [PATCH] added TokenRenewLimit to connector connection string

---
 CHANGELOG.md                             | 1 +
 tableau-databricks/connection-builder.js | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcdc073..a965898 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 - Single-use refresh token capability for OAuth
 - Tableau Prep write support to Databricks
 - Vendor information and license key in manifest
+- Default TokenRenewLimit=10 to support long-running queries with automatic token refresh
 
 ### Changed
 - Fixed analytic window functions to use standard SQL functions (MIN, MAX, SUM, AVG, COUNT)
diff --git a/tableau-databricks/connection-builder.js b/tableau-databricks/connection-builder.js
index 18676ca..5b73209 100644
--- a/tableau-databricks/connection-builder.js
+++ b/tableau-databricks/connection-builder.js
@@ -91,6 +91,10 @@ limitations under the License.
 	// Allow driver to access UC Volumes for Prep Write to DB
 	params["StagingAllowedLocalPaths"] = connectionHelper.GetTempFilePath();
 
+	// Token renewal limit for long-running queries
+	// Allows token to be refreshed up to 10 times during query execution
+	params["TokenRenewLimit"] = "10";
+
 	// Load ODBC connection string extras
 	var odbcConnectStringExtrasMap = {};
 	const attributeODBCConnectStringExtras = connectionHelper.attributeODBCConnectStringExtras;