Bug#32575 - Parse error of stmt with extended comments on slave side

Problem was that mysql_create_view did not remove all comments characters
when writing to binlog, resulting in parse error of stmt on slave side.

Solution was to use the recreated select clause
and add a generated CHECK OPTION clause if needed.

mysql-test/r/rpl_sp.result

@@ -499,7 +499,7 @@ fetch c into var;
 close c;
 return var;
 end
-master-bin.000001	#	Query	1	#	use `test`; CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 as a
+master-bin.000001	#	Query	1	#	use `test`; CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select 1 AS `a`
 master-bin.000001	#	Query	1	#	use `test`; create table t1 (a int)
 master-bin.000001	#	Query	1	#	use `test`; insert into t1 (a) values (f1())
 master-bin.000001	#	Query	1	#	use `test`; drop view v1

mysql-test/r/rpl_view.result

@@ -47,11 +47,11 @@ show binlog events limit 1,100;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
 slave-bin.000001	#	Query	1	#	use `test`; create table t1 (a int)
 slave-bin.000001	#	Query	1	#	use `test`; insert into t1 values (1)
-slave-bin.000001	#	Query	1	#	use `test`; CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select a from t1
+slave-bin.000001	#	Query	1	#	use `test`; CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`a` AS `a` from `test`.`t1`
 slave-bin.000001	#	Query	1	#	use `test`; insert into v1 values (2)
 slave-bin.000001	#	Query	1	#	use `test`; update v1 set a=3 where a=1
 slave-bin.000001	#	Query	1	#	use `test`; delete from v1 where a=2
-slave-bin.000001	#	Query	1	#	use `test`; ALTER ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select a as b from t1
+slave-bin.000001	#	Query	1	#	use `test`; ALTER ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t1`.`a` AS `b` from `test`.`t1`
 slave-bin.000001	#	Query	1	#	use `test`; drop view v1
 slave-bin.000001	#	Query	1	#	use `test`; drop table t1
 
@@ -112,4 +112,18 @@ CREATE VIEW v1 AS SELECT * FROM t1;
 ERROR 42S01: Table 'v1' already exists
 DROP VIEW v1;
 DROP TABLE t1;
+CREATE TABLE t1 (a INT);
+# create view as output from mysqldump 10.11 (5.0.62)
+/*!50001 CREATE ALGORITHM=UNDEFINED */
+/*!50013 DEFINER=`root`@`localhost` SQL SECURITY DEFINER */
+/*!50001 VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` < 3) */
+/*!50002 WITH CASCADED CHECK OPTION */;
+SHOW CREATE VIEW v1;
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` < 3) WITH CASCADED CHECK OPTION
+SHOW CREATE VIEW v1;
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` < 3) WITH CASCADED CHECK OPTION
+DROP VIEW v1;
+DROP TABLE t1;
 End of 5.0 tests

mysql-test/t/rpl_view.test

@@ -161,4 +161,22 @@ DROP VIEW v1;
 DROP TABLE t1;
 sync_slave_with_master;
 
+#
+# Bug#32575 Parse error of stmt with extended comments on slave side
+# Verify that 'CREATE VIEW' with comments is properly logged to binlog
+connection master;
+CREATE TABLE t1 (a INT);
+--echo # create view as output from mysqldump 10.11 (5.0.62)
+/*!50001 CREATE ALGORITHM=UNDEFINED */
+/*!50013 DEFINER=`root`@`localhost` SQL SECURITY DEFINER */
+/*!50001 VIEW `v1` AS select `t1`.`a` AS `a` from `t1` where (`t1`.`a` < 3) */
+/*!50002 WITH CASCADED CHECK OPTION */;
+SHOW CREATE VIEW v1;
+sync_slave_with_master;
+SHOW CREATE VIEW v1;
+connection master;
+DROP VIEW v1;
+DROP TABLE t1;
+sync_slave_with_master;
+
 --echo End of 5.0 tests

sql/sql_view.cc

@@ -649,7 +649,11 @@ bool mysql_create_view(THD *thd, TABLE_LIST *views,
       buff.append(')');
     }
     buff.append(STRING_WITH_LEN(" AS "));
-    buff.append(views->source.str, views->source.length);
+    buff.append(views->query.str, views->query.length);
+    if (views->with_check == VIEW_CHECK_LOCAL)
+      buff.append(STRING_WITH_LEN(" WITH LOCAL CHECK OPTION"));
+    else if (views->with_check == VIEW_CHECK_CASCADED)
+      buff.append(STRING_WITH_LEN(" WITH CASCADED CHECK OPTION"));
 
     Query_log_event qinfo(thd, buff.ptr(), buff.length(), 0, FALSE);
     mysql_bin_log.write(&qinfo);
@@ -926,8 +930,6 @@ loop_out:
   }
   DBUG_RETURN(0);
 err:
-  view->query.str= NULL;
-  view->query.length= 0;
   view->md5.str= NULL;
   view->md5.length= 0;
   DBUG_RETURN(error);