fix optimizer stats and parser bug

src/sql/parser/parse_node.h

@@ -144,6 +144,7 @@ typedef struct _ParseNode
       uint32_t is_multiset_ : 1; // for cast(multiset(...) as ...)
       uint32_t is_forbid_anony_parameter_ : 1; // 1 表示禁止匿名块参数化
       uint32_t is_input_quoted_ : 1; // indicate name_ob input whether with double quote
+      uint32_t is_forbid_parameter_ : 1; //1 indicate forbid parameter
       uint32_t reserved_;
     };
   };

src/sql/parser/sql_parser_base.h

@@ -1011,7 +1011,7 @@ do {\
 #define CHECK_MYSQL_COMMENT(p, node)\
   do {\
     if (p->mysql_compatible_comment_) {\
-      node->is_hidden_const_ = 1;\
+      node->is_forbid_parameter_ = 1;\
     }\
   } while(0);\