之前改错了一部分

fielddb/request.cpp

@@ -406,14 +406,14 @@ BatchReq::~BatchReq() {
 void BatchReq::ConstructBatch(WriteBatch &KVBatch,WriteBatch &IndexBatch,
         WriteBatch &MetaBatch,fielddb::FieldDB *DB,std::unordered_set<std::string> &batchKeySet)
 {
-    // WriteBatch Sub_KVBatch,Sub_IndexBatch,Sub_MetaBatch;
+    WriteBatch Sub_KVBatch,Sub_IndexBatch,Sub_MetaBatch;
     std::unordered_set<std::string> Sub_batchKeySet;
     //由于batch是有顺序的，根据我们现在的一个key只处理最开始的算法，这里需要反向迭代
     uint64_t start_ = DB->env_->NowMicros();
     for(auto subreq = sub_requests.rbegin(); subreq != sub_requests.rend(); subreq++ ) {
         uint64_t start_sub = DB->env_->NowMicros();
-        // (*subreq)->ConstructBatch(Sub_KVBatch, Sub_IndexBatch, Sub_MetaBatch, DB, Sub_batchKeySet);
-        (*subreq)->ConstructBatch(KVBatch, IndexBatch, MetaBatch, DB, batchKeySet);
+        (*subreq)->ConstructBatch(Sub_KVBatch, Sub_IndexBatch, Sub_MetaBatch, DB, Sub_batchKeySet);
+        // (*subreq)->ConstructBatch(KVBatch, IndexBatch, MetaBatch, DB, batchKeySet);
         DB->construct_BatchReq_perSub_elapsed += DB->env_->NowMicros() - start_sub;
         DB->count_Batch_Sub ++;
         //所有的对于pendreq的调用传入的参数被改成了this->parent，因此，对于subrequests来说，
@@ -422,17 +422,17 @@ void BatchReq::ConstructBatch(WriteBatch &KVBatch,WriteBatch &IndexBatch,
             return;
         }        
     }
-    // DB->construct_BatchReq_Sub_elapsed += DB->env_->NowMicros() - start_;
-    // if(Sub_KVBatch.ApproximateSize() > 12) {
-    //     KVBatch.Append(Sub_KVBatch);
-    // }
-    // if(Sub_IndexBatch.ApproximateSize() > 12) {
-    //     IndexBatch.Append(Sub_IndexBatch);
-    // }
-    // if(Sub_MetaBatch.ApproximateSize() > 12) {
-    //     MetaBatch.Append(Sub_MetaBatch);
-    // }
-    // batchKeySet.insert(Sub_batchKeySet.begin(),Sub_batchKeySet.end());
+    DB->construct_BatchReq_Sub_elapsed += DB->env_->NowMicros() - start_;
+    if(Sub_KVBatch.ApproximateSize() > 12) {
+        KVBatch.Append(Sub_KVBatch);
+    }
+    if(Sub_IndexBatch.ApproximateSize() > 12) {
+        IndexBatch.Append(Sub_IndexBatch);
+    }
+    if(Sub_MetaBatch.ApproximateSize() > 12) {
+        MetaBatch.Append(Sub_MetaBatch);
+    }
+    batchKeySet.insert(Sub_batchKeySet.begin(),Sub_batchKeySet.end());
     DB->construct_BatchReq_elapsed += DB->env_->NowMicros() - start_;
 }