From fd5aa06e283a090596956bed07acdecaf1da592e Mon Sep 17 00:00:00 2001
From: Vlad Lazar <vlad@neon.tech>
Date: Thu, 31 Oct 2024 18:14:33 +0100
Subject: [PATCH] wal_decoder: add a comment to clarify the intention

---
 libs/wal_decoder/src/decoder.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libs/wal_decoder/src/decoder.rs b/libs/wal_decoder/src/decoder.rs
index 183506fa51..3a2db74368 100644
--- a/libs/wal_decoder/src/decoder.rs
+++ b/libs/wal_decoder/src/decoder.rs
@@ -169,7 +169,11 @@ impl MetadataRecord {
             }
             pg_constants::RM_STANDBY_ID => Self::decode_standby_record(&mut buf, decoded),
             pg_constants::RM_REPLORIGIN_ID => Self::decode_replorigin_record(&mut buf, decoded),
-            pg_constants::RM_BTREE_ID => Ok(None),
+            pg_constants::RM_BTREE_ID => {
+                // No special handling required for these record types.
+                // We just ingest the blocks that come with it.
+                Ok(None)
+            }
             unexpected => {
                 // TODO: consider failing here instead of blindly doing something without
                 // understanding the protocol