From b905cd53c20f5714fb213547f4258f9cf7fc0710 Mon Sep 17 00:00:00 2001
From: Shanicky Chen <peng@risingwave-labs.com>
Date: Thu, 23 Nov 2023 16:50:04 +0800
Subject: [PATCH] Add comment explaining affected_table_change field in
 CreateSinkRequest.

---
 proto/ddl_service.proto | 2 +-
 proto/stream_plan.proto | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/proto/ddl_service.proto b/proto/ddl_service.proto
index 0eb928375eda2..46fe4305482d4 100644
--- a/proto/ddl_service.proto
+++ b/proto/ddl_service.proto
@@ -77,10 +77,10 @@ message AlterSourceResponse {
   uint64 version = 2;
 }
 
-
 message CreateSinkRequest {
   catalog.Sink sink = 1;
   stream_plan.StreamFragmentGraph fragment_graph = 2;
+  // It is used to provide a replace plan for the downstream table in `create sink into table` requests.
   optional ReplaceTablePlan affected_table_change = 3;
 }
 
diff --git a/proto/stream_plan.proto b/proto/stream_plan.proto
index 4e4ee33384fe8..718a28907e7a8 100644
--- a/proto/stream_plan.proto
+++ b/proto/stream_plan.proto
@@ -90,7 +90,6 @@ message ThrottleMutation {
   map<uint32, RateLimit> actor_throttle = 1;
 }
 
-
 message CombinedMutation {
   repeated BarrierMutation mutations = 1;
 }