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bugfix: create internal temporary tables in mysql_tmpdir, not in datadir

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Sergei Golubchik 2011-07-12 08:58:33 +02:00
parent 3d4ff9a239
commit 541469f7cb
1 changed files with 6 additions and 6 deletions
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12
sql/sql_select.cc
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@ -10092,7 +10092,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
bool using_unique_constraint= 0; bool using_unique_constraint= 0;
bool use_packed_rows= 0; bool use_packed_rows= 0;
bool not_all_columns= !(select_options & TMP_TABLE_ALL_COLUMNS); bool not_all_columns= !(select_options & TMP_TABLE_ALL_COLUMNS);
char *tmpname,path[FN_REFLEN], tmp_table_name[50]; char *tmpname,path[FN_REFLEN];
uchar *pos, *group_buff, *bitmaps; uchar *pos, *group_buff, *bitmaps;
uchar *null_flags; uchar *null_flags;
Field **reg_field, **from_field, **default_field; Field **reg_field, **from_field, **default_field;
@ -10123,12 +10123,12 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
temp_pool_slot = bitmap_lock_set_next(&temp_pool); temp_pool_slot = bitmap_lock_set_next(&temp_pool);
if (temp_pool_slot != MY_BIT_NONE) // we got a slot if (temp_pool_slot != MY_BIT_NONE) // we got a slot
sprintf(tmp_table_name, "%s_%lx_%i", tmp_file_prefix, sprintf(path, "%s_%lx_%i", tmp_file_prefix,
current_pid, temp_pool_slot); current_pid, temp_pool_slot);
else else
{ {
/* if we run out of slots or we are not using tempool */ /* if we run out of slots or we are not using tempool */
sprintf(tmp_table_name, "%s%lx_%lx_%x", tmp_file_prefix,current_pid, sprintf(path, "%s%lx_%lx_%x", tmp_file_prefix,current_pid,
thd->thread_id, thd->tmp_table++); thd->thread_id, thd->tmp_table++);
} }
@ -10136,7 +10136,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
No need to change table name to lower case as we are only creating No need to change table name to lower case as we are only creating
MyISAM, Maria or HEAP tables here MyISAM, Maria or HEAP tables here
*/ */
fn_format(path, tmp_table_name, mysql_tmpdir, "", fn_format(path, path, mysql_tmpdir, "",
MY_REPLACE_EXT|MY_UNPACK_FILENAME); MY_REPLACE_EXT|MY_UNPACK_FILENAME);
if (group) if (group)
@ -10183,7 +10183,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
sizeof(*key_part_info)*(param->group_parts+1), sizeof(*key_part_info)*(param->group_parts+1),
&param->start_recinfo, &param->start_recinfo,
sizeof(*param->recinfo)*(field_count*2+4), sizeof(*param->recinfo)*(field_count*2+4),
&tmpname, (uint) strlen(tmp_table_name)+1, &tmpname, (uint) strlen(path)+1,
&group_buff, (group && ! using_unique_constraint ? &group_buff, (group && ! using_unique_constraint ?
param->group_length : 0), param->group_length : 0),
&bitmaps, bitmap_buffer_size(field_count)*2, &bitmaps, bitmap_buffer_size(field_count)*2,
@ -10202,7 +10202,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
DBUG_RETURN(NULL); /* purecov: inspected */ DBUG_RETURN(NULL); /* purecov: inspected */
} }
param->items_to_copy= copy_func; param->items_to_copy= copy_func;
strmov(tmpname, tmp_table_name); strmov(tmpname, path);
/* make table according to fields */ /* make table according to fields */
bzero((char*) table,sizeof(*table)); bzero((char*) table,sizeof(*table));