From 653ba91cc76b29d0ea78981b630afb8a4e2458f9 Mon Sep 17 00:00:00 2001
From: godchen <qingxiang.chen@zilliz.com>
Date: Tue, 12 Oct 2021 19:23:39 +0800
Subject: [PATCH] [skip ci ]Add join id path comment (#9718)

Signed-off-by: godchen <qingxiang.chen@zilliz.com>
---
 internal/datanode/allocator.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/datanode/allocator.go b/internal/datanode/allocator.go
index 66a1bcabfe..7c3850b4e0 100644
--- a/internal/datanode/allocator.go
+++ b/internal/datanode/allocator.go
@@ -79,6 +79,7 @@ func (alloc *allocator) genKey(isalloc bool, ids ...UniqueID) (string, error) {
 	return JoinIDPath(ids...), nil
 }
 
+// JoinIDPath joins ids to path format.
 func JoinIDPath(ids ...UniqueID) string {
 	idStr := make([]string, len(ids))
 	for _, id := range ids {