Hi Sanja, On Thu, Jul 18, 2013 at 11:16:21AM +0300, sanja@montyprogram.com wrote:

At file:///home/bell/maria/bzr/work-maria-5.5-valgrind/

------------------------------------------------------------ revno: 3839 revision-id: sanja@montyprogram.com-20130718081618-6ax63urznfnqmzgt parent: sanja@montyprogram.com-20130717140359-123bw8dzelj6wddn committer: sanja@montyprogram.com branch nick: work-maria-5.5-valgrind timestamp: Thu 2013-07-18 11:16:18 +0300 message: Fix of using uninitialized variadle.

=== modified file 'sql/sql_select.cc' --- a/sql/sql_select.cc 2013-07-17 13:42:13 +0000 +++ b/sql/sql_select.cc 2013-07-18 08:16:18 +0000 @@ -15674,6 +15674,8 @@ create_internal_tmp_table_from_heap2(THD const char *save_proc_info; int write_err= 0; DBUG_ENTER("create_internal_tmp_table_from_heap2"); + if (is_duplicate) + *is_duplicate= FALSE;

if (table->s->db_type() != heap_hton || error != HA_ERR_RECORD_FILE_FULL)

=== modified file 'sql/sql_union.cc' --- a/sql/sql_union.cc 2013-07-16 05:22:17 +0000 +++ b/sql/sql_union.cc 2013-07-18 08:16:18 +0000 @@ -83,7 +83,7 @@ int select_union::send_data(List<Item> & */ return -1; } - bool is_duplicate; + bool is_duplicate= FALSE; If you do the part in create_internal_tmp_table_from_heap2(), is this change really necessary?

/* create_internal_tmp_table_from_heap will generate error if needed */ if (table->file->is_fatal_error(write_err, HA_CHECK_DUP) && create_internal_tmp_table_from_heap(thd, table,

Ok to push either way. BR Sergei -- Sergei Petrunia, Software Developer Monty Program AB, http://askmonty.org Blog: http://s.petrunia.net/blog