From bf372287688434e4b2437aeb1da825fce30e071f Mon Sep 17 00:00:00 2001
From: Yueh-Hsuan Chiang <93241502+yhchiang-sol@users.noreply.github.com>
Date: Wed, 19 Oct 2022 17:06:21 -0700
Subject: [PATCH] Add comment block for Root ledger column (#28358)

Add comment block for Root ledger column.
---
 ledger/src/blockstore_db.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ledger/src/blockstore_db.rs b/ledger/src/blockstore_db.rs
index 27889532c9..426781a42e 100644
--- a/ledger/src/blockstore_db.rs
+++ b/ledger/src/blockstore_db.rs
@@ -200,7 +200,10 @@ pub mod columns {
     pub struct BankHash;
 
     #[derive(Debug)]
-    /// The root column
+    /// The root column.
+    ///
+    /// This column family persists whether a slot is a root.  Slots on the
+    /// main fork will be inserted into this column when they are finalized.
     ///
     /// index type: u64 (see `SlotColumn`)
     /// value type: bool