single insert + fmt

Signed-off-by: AveryQi115 <[email protected]>

test/txn/txn_abort_serializable_test.cpp

@@ -36,18 +36,20 @@ TEST(TxnBonusTest, DISABLED_SerializableTest) {  // NOLINT
 TEST(TxnBonusTest, DISABLE_ConcurrentSerializableTest) {  // NOLINT
   fmt::println(stderr, "--- SerializableTest2: Concurrent Serializable ---");
   {
-    for(int i=0;i<10;i++){
+    for (int i = 0; i < 10; i++) {
       auto bustub = std::make_unique<BustubInstance>();
       EnsureIndexScan(*bustub);
       Execute(*bustub, "CREATE TABLE maintable(a int, b int primary key)");
       auto table_info = bustub->catalog_->GetTable("maintable");
       auto txn1 = BeginTxnSerializable(*bustub, "txn1");
-      for(int i=0;i<1000;i++){
-        auto str_value = std::to_string(i+1000);
-        WithTxn(txn1, ExecuteTxn(*bustub, _var, _txn, "INSERT INTO maintable VALUES (1, " + str_value + ")"));
-        auto str_value2 = std::to_string(i+2000);
-        WithTxn(txn1, ExecuteTxn(*bustub, _var, _txn, "INSERT INTO maintable VALUES (0, " + str_value2 + ")"));
+      std::string query = "INSERT INTO maintable VALUES ";
+      for (int i = 0; i < 1000; i++) {
+        auto str_value = std::to_string(i + 1000);
+        query += i == 0 ? "(1," + str_value + ")" : ", (1," + str_value + ")";
+        auto str_value2 = std::to_string(i + 2000);
+        query += ", (0, " + str_value2 + ")";
       }
+      WithTxn(txn1, ExecuteTxn(*bustub, _var, _txn, query));
       WithTxn(txn1, CommitTxn(*bustub, _var, _txn));
 
       auto txn2 = BeginTxnSerializable(*bustub, "txn2");
@@ -61,7 +63,7 @@ TEST(TxnBonusTest, DISABLE_ConcurrentSerializableTest) {  // NOLINT
       commit_threads.reserve(thread_cnt);
       int success_cnt = 0;
       std::mutex result_mutex;
-      
+
       commit_threads.emplace_back([txn2, &bustub, &result_mutex, &success_cnt]() {
         auto res = bustub->txn_manager_->Commit(txn2);
         {