style: format code with clang-format

Author: Lin-jingy

src/execution/execution_manager.cpp

@@ -236,7 +236,8 @@ void QlManager::select_from(std::unique_ptr<AbstractExecutor> executorTreeRoot,
                     offset += size;
                     break;
                 case ColType::TYPE_FLOAT:
-                    size = snprintf(buffer + offset, BUFFER_SIZE - offset, "%.6f", *(float *)rec_buf);  // 更简洁的浮点表示
+                    size =
+                        snprintf(buffer + offset, BUFFER_SIZE - offset, "%.6f", *(float *)rec_buf);  // 更简洁的浮点表示
                     columns.emplace_back(buffer + offset, size);
                     offset += size;
                     break;

src/storage/buffer_pool_instance.h

@@ -38,12 +38,12 @@ class BufferPoolInstance {
     static constexpr size_t pool_size_ = BUFFER_POOL_SIZE / BUFFER_POOL_INSTANCE_SIZE;  // 缓冲池大小（帧数）
     Page pages_[pool_size_];                             // 缓冲池中的页面数组，连续分配
     std::unordered_map<PageId, frame_id_t> page_table_;  // 页面到帧的映射表
-    std::vector<frame_id_t> free_list_;                    // 空闲帧链表
+    std::vector<frame_id_t> free_list_;                  // 空闲帧链表
     ReplacerType replacer_;                              // 页面替换策略实现
     std::mutex latch_;                                   // 并发控制锁
 
    public:
-    BufferPoolInstance(): free_list_(pool_size_){
+    BufferPoolInstance() : free_list_(pool_size_) {
         std::iota(free_list_.begin(), free_list_.end(), 0);
         page_table_.reserve(pool_size_ * 4);  // 预留空间，避免频繁扩容
     }