Hi Serg!

Thanks for the review.

On Fri, Apr 20, 2018 at 6:36 PM, Sergei Golubchik <s...@mariadb.org> wrote:
> Hi, Sachin!
>
> On Apr 19, sachin wrote:
>
>> diff --git a/storage/perfschema/ha_perfschema.cc 
>> b/storage/perfschema/ha_perfschema.cc
>> index e8e9581..d5846f2 100644
>> --- a/storage/perfschema/ha_perfschema.cc
>> +++ b/storage/perfschema/ha_perfschema.cc
>> @@ -64,6 +64,16 @@ static int pfs_discover_table(handlerton *hton, THD *thd, 
>> TABLE_SHARE *share)
>>  {
>>    const PFS_engine_table_share *pfs_share;
>>
>> +  DBUG_EXECUTE_IF("test_pseudo_invisible", {
>> +         my_error(ER_INTERNAL_ERROR, MYF(0), "Don't query 
>> performance_schema when"
>> +                 "test_pseudo_invisible is on");
>> +         return 1;
>> +         });
>> +  DBUG_EXECUTE_IF("test_completely_invisible", {
>> +         my_error(ER_INTERNAL_ERROR, MYF(0), "Don't query 
>> performance_schema when"
>> +                 "test_completely_invisible is on");
>> +         return 1;
>> +         });
>>    if ((pfs_share= find_table_share(share->db.str, share->table_name.str)))
>>      return share->init_from_sql_statement_string(thd, false,
>>                                                   pfs_share->sql.str,
>
> Better put it inside TABLE_SHARE::init_from_sql_statement_string to
> cover Connect and FederatedX too.
>
> Or - I'd say it's an option too - just close it as not a bug.
> DBUG_EXECUTE_IF can cause a crash, can make a server to misbehave, etc.
> That's normal, it's a debug hack that intentionally makes server to do
> something weird. I wouldn't spend too much time on making it user
> friendly and error-proof.
Actually I agree with second option, dbug_debug can really be
dangerous and are used for internal purpose only.
So I am closing this as not a bug.
>
> Regards,
> Sergei
> Chief Architect MariaDB
> and secur...@mariadb.org
>
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