From 9b81d3c406b57d9e8f0bc39d41ac8668913318c3 Mon Sep 17 00:00:00 2001
From: Dhruba Borthakur <dhruba@fb.com>
Date: Mon, 15 Apr 2013 13:25:53 -0700
Subject: [PATCH] Simplified level_ptrs by using a std:vector

Summary: Simplified level_ptrs by using a std:vector

Test Plan: make check

Reviewers: sheki, emayanke

Reviewed By: emayanke

CC: leveldb

Differential Revision: https://reviews.facebook.net/D10245
---
 db/version_set.cc | 5 ++---
 db/version_set.h  | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/db/version_set.cc b/db/version_set.cc
index 6ce8240f8..e86b790c2 100644
--- a/db/version_set.cc
+++ b/db/version_set.cc
@@ -2169,16 +2169,15 @@ Compaction::Compaction(int level, uint64_t target_file_size,
       overlapped_bytes_(0),
       base_index_(-1),
       parent_index_(-1),
-      score_(0) {
+      score_(0),
+      level_ptrs_(std::vector<size_t>(number_levels)) {
   edit_ = new VersionEdit(number_levels_);
-  level_ptrs_ = new size_t[number_levels_];
   for (int i = 0; i < number_levels_; i++) {
     level_ptrs_[i] = 0;
   }
 }
 
 Compaction::~Compaction() {
-  delete[] level_ptrs_;
   delete edit_;
   if (input_version_ != nullptr) {
     input_version_->Unref();
diff --git a/db/version_set.h b/db/version_set.h
index 88b9cd29f..1484adf46 100644
--- a/db/version_set.h
+++ b/db/version_set.h
@@ -567,7 +567,7 @@ class Compaction {
   // is that we are positioned at one of the file ranges for each
   // higher level than the ones involved in this compaction (i.e. for
   // all L >= level_ + 2).
-  size_t* level_ptrs_;
+  std::vector<size_t> level_ptrs_;
 
   // mark (or clear) all files that are being compacted
   void MarkFilesBeingCompacted(bool);