[FEAT MERGE]4_2_sql_feature

Co-authored-by: yinyj17 <yinyijun92@gmail.com>
Co-authored-by: xianyu-w <707512433@qq.com>
Co-authored-by: jingtaoye35 <1255153887@qq.com>

src/sql/ob_sql_context.h

@@ -523,6 +523,8 @@ public:
   int64_t res_map_rule_param_idx_;
   uint64_t res_map_rule_version_;
   bool is_text_ps_mode_;
+  uint64_t first_plan_hash_;
+  common::ObString first_outline_data_;
   bool is_bulk_;
 private:
   share::ObFeedbackRerouteInfo *reroute_info_;