chore: add more comment

databendlabs · Sep 5, 2024 · 730fb01 · 730fb01
1 parent ecf088f
commit 730fb01
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/databend-jdbc/src/main/java/com/databend/jdbc/DatabendConnection.java b/databend-jdbc/src/main/java/com/databend/jdbc/DatabendConnection.java
@@ -675,7 +675,8 @@ DatabendClient startQueryWithFailover(String sql, StageAttachment attach) throws
                 throw new SQLException("Error start query: " + "SQL: " + sql + " " + e.getMessage() + " cause: " + e.getCause(), e);
             }
             try {
-                // route hint is used when transaction occured,
+                // route hint is used when transaction occured or when multi-cluster warehouse adopted(CLOUD ONLY)
+                // on cloud case, we have gateway to handle with route hint, and will not parse URI from route hint.
                 // transaction procedure:
                 // 1. server return session body where txn state is active
                 // 2. when there is a active transaction, it will route all query to target route hint uri if exists