From 604470f2c4af89380e32686f1ab87b466ee6ebd9 Mon Sep 17 00:00:00 2001
From: GUJIEJASON <1776127334@qq.com>
Date: Sun, 3 Nov 2024 20:51:20 +0800
Subject: [PATCH] add some comments

---
 db/db_impl.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/db/db_impl.cc b/db/db_impl.cc
index 2e68b31..6dcc5e0 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -899,6 +899,7 @@ Status DBImpl::InstallCompactionResults(CompactionState* compact) {
   return versions_->LogAndApply(compact->compaction->edit(), &mutex_);
 }
 
+/* TODO: Check if a string consists entirely of digits */
 bool isAllDigits(const std::string& str) {
     for (char c : str) {
         if (!isdigit(c)) {
@@ -907,6 +908,7 @@ bool isAllDigits(const std::string& str) {
     }
     return true;
 }
+/* --------------------------- */
 
 Status DBImpl::DoCompactionWork(CompactionState* compact) {
   const uint64_t start_micros = env_->NowMicros();