From 941001af73da63f3ceb68d101ac6bc91ef29c5df Mon Sep 17 00:00:00 2001
From: Pedro Matias <pedro.matias@dremio.com>
Date: Sun, 29 Mar 2026 23:15:35 +0100
Subject: [PATCH] Update proto with proposed protocol change

---
 arrow-format/FlightSql.proto | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arrow-format/FlightSql.proto b/arrow-format/FlightSql.proto
index 566230c2a6..b1dc57b33b 100644
--- a/arrow-format/FlightSql.proto
+++ b/arrow-format/FlightSql.proto
@@ -1550,6 +1550,11 @@ message ActionCreatePreparedStatementResult {
   // If the query provided contained parameters, parameter_schema contains the
   // schema of the expected parameters.  It should be an IPC-encapsulated Schema, as described in Schema.fbs.
   bytes parameter_schema = 3;
+
+  // When set to true, the query should be executed with CommandPreparedStatementUpdate,
+  // when set to false, the query should be executed with CommandPreparedStatementQuery.
+  // If not set, the client can choose how to execute the query.
+  optional bool is_update = 4;
 }
 
 /*