database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Merge mskold@bk-internal.mysql.com:/home/bk/mysql-5.0-ndb

Browse Source 
into mysql.com:/usr/local/home/marty/MySQL/test/mysql-5.0-ndb
This commit is contained in:
mskold@mysql.com
2005-01-21 08:43:41 +01:00
parent 6bb027a97c 8f2f573604
commit 7c07a2e725
227 changed files with 4886 additions and 2762 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
sql/sql_select.cc
View File

@ -7826,12 +7826,17 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
if (temp_pool_slot != MY_BIT_NONE) // we got a slot
sprintf(filename, "%s_%lx_%i", tmp_file_prefix,
current_pid, temp_pool_slot);
else // if we run out of slots or we are not using tempool
else
{
/* if we run out of slots or we are not using tempool */
sprintf(filename,"%s%lx_%lx_%x",tmp_file_prefix,current_pid,
thd->thread_id, thd->tmp_table++);
}
if (lower_case_table_names)
my_casedn_str(files_charset_info, path);
/*
No need for change table name to lower case as we are only creating
MyISAM or HEAP tables here
*/
sprintf(path, "%s%s", mysql_tmpdir, filename);
if (group)
@ -10424,15 +10429,24 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
}
else
{
select->quick->head->file->ha_index_end();
/*
We have verified above that select->quick is not
index_merge quick select.
*/
select->quick->index= new_ref_key;
select->quick->init();
/*
The range optimizer constructed QUICK_RANGE for ref_key, and
we want to use instead new_ref_key as the index. We can't
just change the index of the quick select, because this may
result in an incosistent QUICK_SELECT object. Below we
create a new QUICK_SELECT from scratch so that all its
parameres are set correctly by the range optimizer.
*/
key_map new_ref_key_map;
new_ref_key_map.clear_all(); /* Force the creation of quick select */
new_ref_key_map.set_bit(new_ref_key); /* only for new_ref_key. */
if (select->test_quick_select(tab->join->thd, new_ref_key_map, 0,
(tab->join->select_options & OPTION_FOUND_ROWS) ?
HA_POS_ERROR : tab->join->unit->select_limit_cnt) <= 0)
DBUG_RETURN(0);
}
ref_key= new_ref_key;
ref_key= new_ref_key;
}
}
/* Check if we get the rows in requested sorted order by using the key */