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Bug#44151 using handler commands on information_schema tables crashes server

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information schema tables are based on internal tmp tables which are removed
after each statement execution. So HANDLER comands can not be used with
information schema.
This commit is contained in:
Sergey Glukhov
2009-04-17 12:41:15 +05:00
parent 2c1add4b45
commit 4fbfa8db45
3 changed files with 20 additions and 0 deletions
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8
sql/sql_handler.cc
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@ -190,6 +190,14 @@ bool mysql_ha_open(THD *thd, TABLE_LIST *tables, bool reopen)
tables->db, tables->table_name, tables->alias,
(int) reopen));
if (tables->schema_table)
{
my_error(ER_WRONG_USAGE, MYF(0), "HANDLER OPEN",
INFORMATION_SCHEMA_NAME.str);
DBUG_PRINT("exit",("ERROR"));
DBUG_RETURN(TRUE);
}
if (! hash_inited(&thd->handler_tables_hash))
{
/*