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MDEV-23823 Crash in SELECT NEXT VALUE on locked view

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Make open_table() fail if sequence should be opened, but it turns out to
be locked view.
This commit is contained in:
Vladislav Vaintroub
2020-09-28 09:49:46 +02:00
parent d9d9c30b70
commit a6987d9fb9
3 changed files with 26 additions and 0 deletions
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7
sql/sql_base.cc
View File

@ -1724,7 +1724,14 @@ bool open_table(THD *thd, TABLE_LIST *table_list, Open_table_context *ot_ctx)
}
if (is_locked_view(thd, table_list))
{
if (table_list->sequence)
{
my_error(ER_NOT_SEQUENCE, MYF(0), table_list->db.str, table_list->alias.str);
DBUG_RETURN(true);
}
DBUG_RETURN(FALSE); // VIEW
}
/*
No table in the locked tables list. In case of explicit LOCK TABLES