diff --git a/deps/oblib/src/rpc/obmysql/ob_mysql_util.cpp b/deps/oblib/src/rpc/obmysql/ob_mysql_util.cpp
index ce898ed4c3..0f4b921e98 100644
--- a/deps/oblib/src/rpc/obmysql/ob_mysql_util.cpp
+++ b/deps/oblib/src/rpc/obmysql/ob_mysql_util.cpp
@@ -898,6 +898,9 @@ int ObMySQLUtil::double_cell_str(char *buf, const int64_t len, double val,
     LOG_WARN("invalid input", KP(buf), K(ret));
   } else {
     if (BINARY == type) {
+      if (std::fpclassify(val) == FP_ZERO && std::signbit(val)) {
+        val = val * -1; // if -0.0, change to 0.0
+      }
       if (len - pos > DBL_SIZE) {
         MEMCPY(buf + pos, &val, DBL_SIZE);
         pos += DBL_SIZE;
diff --git a/src/sql/ob_sql.cpp b/src/sql/ob_sql.cpp
index 3d8d98c000..5615d89d45 100644
--- a/src/sql/ob_sql.cpp
+++ b/src/sql/ob_sql.cpp
@@ -866,6 +866,7 @@ int ObSql::fill_result_set(const ObPsStmtId stmt_id, const ObPsStmtInfo &stmt_in
   int ret = OB_SUCCESS;
   result.set_statement_id(stmt_id);
   result.set_stmt_type(stmt_info.get_stmt_type());
+  result.set_literal_stmt_type(stmt_info.get_literal_stmt_type());
   const ObPsSqlMeta &sql_meta = stmt_info.get_ps_sql_meta();
   result.set_p_param_fileds(const_cast<common::ParamsFieldIArray *>(&sql_meta.get_param_fields()));
   result.set_p_column_fileds(const_cast<common::ParamsFieldIArray *>(&sql_meta.get_column_fields()));
@@ -927,6 +928,8 @@ int ObSql::do_add_ps_cache(const PsCacheInfoCtx &info_ctx,
     } else if (OB_ISNULL(ps_stmt_item) || OB_ISNULL(ref_stmt_info)) {
       ret = OB_ERR_UNEXPECTED;
       LOG_WARN("stmt_item or stmt_info is NULL", K(ret), KP(ps_stmt_item), KP(ref_stmt_info));
+    } else {
+      ref_stmt_info->set_literal_stmt_type(result.get_literal_stmt_type());
     }
     if (NULL != ref_stmt_info) {
       ref_stmt_info->set_is_sensitive_sql(info_ctx.is_sensitive_sql_);
diff --git a/src/sql/plan_cache/ob_prepare_stmt_struct.cpp b/src/sql/plan_cache/ob_prepare_stmt_struct.cpp
index 66e5d9d359..a3fd31a99a 100644
--- a/src/sql/plan_cache/ob_prepare_stmt_struct.cpp
+++ b/src/sql/plan_cache/ob_prepare_stmt_struct.cpp
@@ -282,7 +282,8 @@ ObPsStmtInfo::ObPsStmtInfo(ObIAllocator *inner_allocator)
     is_sensitive_sql_(false),
     raw_sql_(),
     raw_params_(inner_allocator),
-    raw_params_idx_(inner_allocator)
+    raw_params_idx_(inner_allocator),
+    literal_stmt_type_(stmt::T_NONE)
 
 {
 }
@@ -310,7 +311,8 @@ ObPsStmtInfo::ObPsStmtInfo(ObIAllocator *inner_allocator,
     is_sensitive_sql_(false),
     raw_sql_(),
     raw_params_(inner_allocator),
-    raw_params_idx_(inner_allocator)
+    raw_params_idx_(inner_allocator),
+    literal_stmt_type_(stmt::T_NONE)
 {
 }
 
@@ -455,6 +457,7 @@ int ObPsStmtInfo::deep_copy(const ObPsStmtInfo &other)
     tenant_version_ = other.tenant_version_;
     is_expired_ = other.is_expired_;
     is_expired_evicted_ = other.is_expired_evicted_;
+    literal_stmt_type_ = other.literal_stmt_type_;
     if (other.get_dep_objs_cnt() > 0) {
       dep_objs_cnt_ = other.get_dep_objs_cnt();
       if (NULL == (dep_objs_ = reinterpret_cast<ObSchemaObjVersion *>
diff --git a/src/sql/plan_cache/ob_prepare_stmt_struct.h b/src/sql/plan_cache/ob_prepare_stmt_struct.h
index 9d43024558..eb15ca1283 100644
--- a/src/sql/plan_cache/ob_prepare_stmt_struct.h
+++ b/src/sql/plan_cache/ob_prepare_stmt_struct.h
@@ -150,6 +150,8 @@ public:
   inline int64_t get_num_of_column() const { return ps_sql_meta_.get_column_size(); }
   inline stmt::StmtType get_stmt_type() const { return stmt_type_; }
   inline void set_stmt_type(stmt::StmtType stmt_type) { stmt_type_ = stmt_type; }
+  inline stmt::StmtType get_literal_stmt_type() const { return literal_stmt_type_; }
+  inline void set_literal_stmt_type(stmt::StmtType stmt_type) { literal_stmt_type_ = stmt_type; }
   const ObPsSqlKey& get_sql_key() const { return ps_key_; }
   inline const common::ObString &get_ps_sql() const { return ps_key_.ps_sql_; }
   inline const common::ObString &get_no_param_sql() const { return no_param_sql_; }
@@ -257,6 +259,7 @@ private:
   // raw_params_idx_: 0, 2
   ObFixedArray<ObPCParam *, common::ObIAllocator> raw_params_;
   ObFixedArray<int64_t, common::ObIAllocator> raw_params_idx_;
+  stmt::StmtType literal_stmt_type_;
 };
 
 struct TypeInfo {