From 2e0d3efd9de9c967624d462950e60052fb377ecb Mon Sep 17 00:00:00 2001
From: george pogosyan <gepogosyan@ozon.ru>
Date: Thu, 1 Aug 2024 15:37:17 +0300
Subject: [PATCH] Add comment

---
 .gitignore                                   | 1 +
 plugin/action/remove_fields/remove_fields.go | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/.gitignore b/.gitignore
index 2e8efd29c..3259e0b32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ tests-offsets
 testdata
 
 .idea/
+.DS_Store
diff --git a/plugin/action/remove_fields/remove_fields.go b/plugin/action/remove_fields/remove_fields.go
index 3eea02deb..9bf264b57 100644
--- a/plugin/action/remove_fields/remove_fields.go
+++ b/plugin/action/remove_fields/remove_fields.go
@@ -87,6 +87,12 @@ func (p *Plugin) Start(config pipeline.AnyConfig, _ *pipeline.ActionPluginParams
 		logger.Panicf("config is nil for the remove fields plugin")
 	}
 
+	// remove nested fields selection;
+	// for example:
+	// config `fields: ["a", "a.b"]` is equal to
+	// config `fields: ["a"]`
+	// see tests: TestDuplicatingFieldSelectors, TestNestedFieldSelectors
+
 	fields := p.config.Fields
 	sort.Slice(fields, func(i, j int) bool {
 		return len(fields[i]) < len(fields[j])