From 2e489587cf007f35f35d5e44bca40f14af6385f4 Mon Sep 17 00:00:00 2001
From: Matthias Queitsch <matthias.queitsch@mailbox.org>
Date: Tue, 4 Jul 2023 17:49:26 +0200
Subject: [PATCH] fix: add comment

---
 grammar.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grammar.js b/grammar.js
index e5564561..d4a347e4 100644
--- a/grammar.js
+++ b/grammar.js
@@ -1131,6 +1131,8 @@ module.exports = grammar({
       $.change_ownership,
     ),
 
+    // TODO: optional `keyword_add` is necessary to allow for chained alter statements in t-sql
+    // maybe needs refactoring
     add_column: $ => seq(
       optional($.keyword_add),
       optional(