Bug#39541 CHECK TABLE on information_schema myisam tables produces error

issue 'The storage engine for the table doesn't support check' note for I_S tables

Author: Sergey Glukhov

mysql-test/r/mysqlcheck.result

@@ -57,4 +57,10 @@ drop view v_bug25347;
 drop table t_bug25347;
 drop database d_bug25347;
 use test;
+create view v1 as select * from information_schema.routines;
+check table v1, information_schema.routines;
+Table	Op	Msg_type	Msg_text
+test.v1	check	status	OK
+information_schema.routines	check	note	The storage engine for the table doesn't support check
+drop view v1;
 End of 5.0 tests

mysql-test/t/mysqlcheck.test

@@ -58,4 +58,11 @@ drop table t_bug25347;
 drop database d_bug25347;
 use test;
 
+#
+# Bug#39541 CHECK TABLE on information_schema myisam tables produces error
+#
+create view v1 as select * from information_schema.routines;
+check table v1, information_schema.routines;
+drop view v1;
+
 --echo End of 5.0 tests

sql/sql_table.cc

@@ -2322,6 +2322,12 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables,
       goto send_result;
     }
 
+    if (table->schema_table)
+    {
+      result_code= HA_ADMIN_NOT_IMPLEMENTED;
+      goto send_result;
+    }
+
     if ((table->table->db_stat & HA_READ_ONLY) && open_for_modify)
     {
       char buff[FN_REFLEN + MYSQL_ERRMSG_SIZE];