diff --git a/src/observer/sql/stmt/delete_stmt.cpp b/src/observer/sql/stmt/delete_stmt.cpp
index 114e4f85ce7a6fa9f708cf024fc72382c0e6de69..452f0be13fa7bfbaf404cb07062e61428d6c4b75 100644
--- a/src/observer/sql/stmt/delete_stmt.cpp
+++ b/src/observer/sql/stmt/delete_stmt.cpp
@@ -46,7 +46,7 @@ RC DeleteStmt::create(Db *db, const Deletes &delete_sql, Stmt *&stmt)
     return RC::SCHEMA_TABLE_NOT_EXIST;
   }
 
-  std::unordered_map<std::string_view, Table *> table_map;
+  std::unordered_map<std::string, Table *> table_map;
   table_map.insert(std::pair<std::string_view, Table *>(std::string_view(table_name), table));
 
   FilterStmt *filter_stmt = nullptr;
diff --git a/src/observer/sql/stmt/filter_stmt.cpp b/src/observer/sql/stmt/filter_stmt.cpp
index cbc4ece824a8e964152335e0ffd5e2676beee314..19d3b58edae6c18b7c33fe3f4f28b7a688b4eca9 100644
--- a/src/observer/sql/stmt/filter_stmt.cpp
+++ b/src/observer/sql/stmt/filter_stmt.cpp
@@ -27,7 +27,7 @@ FilterStmt::~FilterStmt()
   filter_units_.clear();
 }
 
-RC FilterStmt::create(Db *db, Table *default_table, std::unordered_map<std::string_view, Table *> *tables,
+RC FilterStmt::create(Db *db, Table *default_table, std::unordered_map<std::string, Table *> *tables,
 		      const Condition *conditions, int condition_num,
 		      FilterStmt *&stmt)
 {
@@ -50,13 +50,13 @@ RC FilterStmt::create(Db *db, Table *default_table, std::unordered_map<std::stri
   return rc;
 }
 
-RC get_table_and_field(Db *db, Table *default_table, std::unordered_map<std::string_view, Table *> *tables,
+RC get_table_and_field(Db *db, Table *default_table, std::unordered_map<std::string, Table *> *tables,
 		       const RelAttr &attr, Table *&table, const FieldMeta *&field)
 {
   if (common::is_blank(attr.relation_name)) {
     table = default_table;
   } else if (nullptr != tables) {
-    auto iter = tables->find(std::string_view(attr.relation_name));
+    auto iter = tables->find(std::string(attr.relation_name));
     if (iter != tables->end()) {
       table = iter->second;
     }
@@ -78,7 +78,7 @@ RC get_table_and_field(Db *db, Table *default_table, std::unordered_map<std::str
   return RC::SUCCESS;
 }
 
-RC FilterStmt::create_filter_unit(Db *db, Table *default_table, std::unordered_map<std::string_view, Table *> *tables,
+RC FilterStmt::create_filter_unit(Db *db, Table *default_table, std::unordered_map<std::string, Table *> *tables,
 				  const Condition &condition, FilterUnit *&filter_unit)
 {
   RC rc = RC::SUCCESS;
diff --git a/src/observer/sql/stmt/filter_stmt.h b/src/observer/sql/stmt/filter_stmt.h
index b5c6f64572e4abca6094845544ffdc4eae7d6ba5..518e4d7b245b47b754b0f6efef6f78d9485eb041 100644
--- a/src/observer/sql/stmt/filter_stmt.h
+++ b/src/observer/sql/stmt/filter_stmt.h
@@ -86,11 +86,11 @@ public:
   }
 
 public:
-  static RC create(Db *db, Table *default_table, std::unordered_map<std::string_view, Table *> *tables,
+  static RC create(Db *db, Table *default_table, std::unordered_map<std::string, Table *> *tables,
 			const Condition *conditions, int condition_num,
 			FilterStmt *&stmt);
 
-  static RC create_filter_unit(Db *db, Table *default_table, std::unordered_map<std::string_view, Table *> *tables,
+  static RC create_filter_unit(Db *db, Table *default_table, std::unordered_map<std::string, Table *> *tables,
 			       const Condition &condition, FilterUnit *&filter_unit);
 
 private:
diff --git a/src/observer/sql/stmt/select_stmt.cpp b/src/observer/sql/stmt/select_stmt.cpp
index a8eca8204142f6fbabd1a5e54f1bddc044d6fe89..aa56ea5b39a016850c218bb3cc188dac7551c68b 100644
--- a/src/observer/sql/stmt/select_stmt.cpp
+++ b/src/observer/sql/stmt/select_stmt.cpp
@@ -45,7 +45,7 @@ RC SelectStmt::create(Db *db, const Selects &select_sql, Stmt *&stmt)
 
   // collect tables in `from` statement
   std::vector<Table *> tables;
-  std::unordered_map<std::string_view, Table *> table_map;
+  std::unordered_map<std::string, Table *> table_map;
   for (int i = 0; i < select_sql.relation_num; i++) {
     const char *table_name = select_sql.relations[i];
     if (nullptr == table_name) {
diff --git a/src/observer/storage/common/record.h b/src/observer/storage/common/record.h
index 963a37147c8a942d7389a6325ccf3807e040b7b9..28c6faf0397ad81956371b5079cbcec16b382f6c 100644
--- a/src/observer/storage/common/record.h
+++ b/src/observer/storage/common/record.h
@@ -16,6 +16,7 @@ See the Mulan PSL v2 for more details. */
 
 #include <stddef.h>
 #include <vector>
+#include <limits>
 #include <sstream>
 
 #include "rc.h"
diff --git a/src/observer/storage/default/default_storage_stage.cpp b/src/observer/storage/default/default_storage_stage.cpp
index 5fb941321dca2ab3be5868312c5c5fae8b060525..d59334d97d759107afe23f2ace0d3cb3034a6a96 100644
--- a/src/observer/storage/default/default_storage_stage.cpp
+++ b/src/observer/storage/default/default_storage_stage.cpp
@@ -158,40 +158,6 @@ void DefaultStorageStage::handle_event(StageEvent *event)
 
   char response[256];
   switch (sql->flag) {
-    case SCF_INSERT: {  // insert into
-      const Inserts &inserts = sql->sstr.insertion;
-      const char *table_name = inserts.relation_name;
-      //rc = handler_->insert_record(current_trx, current_db, table_name, inserts.value_num, inserts.values);
-      snprintf(response, sizeof(response), "%s\n", rc == RC::SUCCESS ? "SUCCESS" : "FAILURE");
-    } break;
-    case SCF_UPDATE: {
-      const Updates &updates = sql->sstr.update;
-      const char *table_name = updates.relation_name;
-      const char *field_name = updates.attribute_name;
-      int updated_count = 0;
-      #if 0
-      rc = handler_->update_record(current_trx,
-          current_db,
-          table_name,
-          field_name,
-          &updates.value,
-          updates.condition_num,
-          updates.conditions,
-          &updated_count);
-      #endif
-      snprintf(response, sizeof(response), "%s\n", rc == RC::SUCCESS ? "SUCCESS" : "FAILURE");
-    } break;
-    case SCF_DELETE: {
-      const Deletes &deletes = sql->sstr.deletion;
-      const char *table_name = deletes.relation_name;
-      int deleted_count = 0;
-      #if 0
-      rc = handler_->delete_record(
-          current_trx, current_db, table_name, deletes.condition_num, deletes.conditions, &deleted_count);
-      #endif
-      snprintf(response, sizeof(response), "%s\n", rc == RC::SUCCESS ? "SUCCESS" : "FAILURE");
-    } break;
-
     case SCF_LOAD_DATA: {
       /*
         从文件导入数据，如果做性能测试，需要保持这些代码可以正常工作