From d66e2c6841bb631174e10b0bf491b01b019db3ed Mon Sep 17 00:00:00 2001
From: Dain Sundstrom <dain@iq80.com>
Date: Tue, 25 Feb 2020 17:33:48 -0800
Subject: [PATCH] Request delegate credentials for Kerberos

---
 .../src/main/java/io/prestosql/client/SpnegoHandler.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/presto-client/src/main/java/io/prestosql/client/SpnegoHandler.java b/presto-client/src/main/java/io/prestosql/client/SpnegoHandler.java
index 7c568a704245..9437db1af7b4 100644
--- a/presto-client/src/main/java/io/prestosql/client/SpnegoHandler.java
+++ b/presto-client/src/main/java/io/prestosql/client/SpnegoHandler.java
@@ -171,7 +171,7 @@ private byte[] generateToken(String servicePrincipal)
                 result.requestMutualAuth(true);
                 result.requestConf(true);
                 result.requestInteg(true);
-                result.requestCredDeleg(false);
+                result.requestCredDeleg(true);
                 return result;
             });