Add virtual table Query_Response_Time

src/sql/parser/non_reserved_keywords_mysql_mode.c

@@ -680,7 +680,8 @@ static const NonReservedKeyword Mysql_none_reserved_keywords[] = {
     {"up", UP},
     {"times", TIMES},
     {"backupround", BACKUPROUND},
-    {"TTL", TTL}};
+    {"TTL", TTL},
+    {"query_response_time",QUERY_RESPONSE_TIME}};
 
 /** https://dev.mysql.com/doc/refman/5.7/en/sql-syntax-prepared-statements.html
  ALTER TABLE

src/sql/parser/ob_item_type.h

@@ -967,6 +967,7 @@ typedef enum ObItemType
   T_SHOW_CREATE_TABLEGROUP,
   T_SHOW_RESTORE_PREVIEW,
   T_SHOW_GRANTS,
+  T_SHOW_QUERY_RESPONSE_TIME,
 
   T_SHOW_LIMIT,
   T_CREATE_USER,

src/sql/parser/sql_parser_mysql_mode.y

@@ -260,7 +260,7 @@ END_P SET_VAR DELIMITER
         PROCESSLIST PROFILE PROFILES PROXY PRECEDING PCTFREE P_ENTITY P_CHUNK PRIMARY_ROOTSERVICE_LIST
         PRIMARY_CLUSTER_ID PUBLIC PROGRESSIVE_MERGE_NUM PREVIEW PS
 
-        QUARTER QUERY QUEUE_TIME QUICK
+        QUARTER QUERY QUERY_RESPONSE_TIME QUEUE_TIME QUICK
 
         REBUILD RECOVER RECYCLE REDO_BUFFER_SIZE REDOFILE REDUNDANT REFRESH REGION RELAY RELAYLOG
         RELAY_LOG_FILE RELAY_LOG_POS RELAY_THREAD RELOAD REMOVE REORGANIZE REPAIR REPEATABLE REPLICA
@@ -9638,6 +9638,10 @@ SHOW opt_full TABLES opt_from_or_in_database_clause opt_show_condition
 {
   malloc_terminal_node($$, result->malloc_pool_, T_SHOW_PRIVILEGES);
 }
+| SHOW QUERY_RESPONSE_TIME
+{
+  malloc_terminal_node($$, result->malloc_pool_, T_SHOW_QUERY_RESPONSE_TIME);
+}
 | SHOW RECYCLEBIN
 {
   malloc_terminal_node($$, result->malloc_pool_, T_SHOW_RECYCLEBIN);
@@ -14099,6 +14103,7 @@ ACCOUNT
 |       P_CHUNK
 |       QUARTER
 |       QUERY %prec KILL_EXPR
+|       QUERY_RESPONSE_TIME
 |       QUEUE_TIME
 |       QUICK
 |       RANK