diff --git a/presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoConnection.java b/presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoConnection.java
index <HASH>..<HASH> 100644
--- a/presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoConnection.java
+++ b/presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoConnection.java
@@ -225,7 +225,7 @@ public class PrestoConnection
     public int getTransactionIsolation()
             throws SQLException
     {
-        throw new UnsupportedOperationException("getTransactionIsolation");
+        return TRANSACTION_NONE;
     }
 
     @Override
Implement PrestoConnection.getTransactionIsolation

Resolves #<I>