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Merge bk-internal.mysql.com:/data0/bk/mysql-5.0-opt

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into  bk-internal.mysql.com:/data0/bk/mysql-5.1-opt
This commit is contained in:
gshchepa@bk-internal.mysql.com
2007-09-12 11:52:42 +02:00
parent 474bcd3b00 06f12f66e8
commit ae46c7e54a
3 changed files with 26 additions and 2 deletions
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11
mysql-test/r/delete.result
View File

@ -183,6 +183,17 @@ select @a;
@a
1
drop table t1;
CREATE TABLE t1 (
`date` date ,
`time` time ,
`seq` int(10) unsigned NOT NULL auto_increment,
PRIMARY KEY (`seq`),
KEY `seq` (`seq`),
KEY `time` (`time`),
KEY `date` (`date`)
);
DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1;
drop table t1;
End of 4.1 tests
CREATE TABLE t1 (a int not null,b int not null);
CREATE TABLE t2 (a int not null, b int not null, primary key (a,b));

14
mysql-test/t/delete.test
View File

@ -173,8 +173,20 @@ delete from t1 where (@a:= f1) order by f1 limit 1;
select @a;
drop table t1;
# BUG#30385 "Server crash when deleting with order by and limit"
CREATE TABLE t1 (
`date` date ,
`time` time ,
`seq` int(10) unsigned NOT NULL auto_increment,
PRIMARY KEY (`seq`),
KEY `seq` (`seq`),
KEY `time` (`time`),
KEY `date` (`date`)
);
DELETE FROM t1 ORDER BY date ASC, time ASC LIMIT 1;
drop table t1;
--echo End of 4.1 tests
# End of 4.1 tests
#
# Test of multi-delete where we are not scanning the first table

3
sql/opt_range.cc
View File

@ -1778,6 +1778,7 @@ uint get_index_for_order(TABLE *table, ORDER *order, ha_rows limit)
if (!(table->keys_in_use_for_query.is_set(idx)))
continue;
KEY_PART_INFO *keyinfo= table->key_info[idx].key_part;
uint n_parts= table->key_info[idx].key_parts;
uint partno= 0;
/*
@ -1787,7 +1788,7 @@ uint get_index_for_order(TABLE *table, ORDER *order, ha_rows limit)
*/
if (!(table->file->index_flags(idx, 0, 1) & HA_READ_ORDER))
continue;
for (ord= order; ord; ord= ord->next, partno++)
for (ord= order; ord && partno < n_parts; ord= ord->next, partno++)
{
Item *item= order->item[0];
if (!(item->type() == Item::FIELD_ITEM &&