After merge adjustment of tests due to changes in cost estimates.

.bzrignore

@@ -920,3 +920,4 @@ vio/test-ssl
 vio/test-sslclient
 vio/test-sslserver
 vio/viotest-ssl
+server-tools/instance-manager/mysqlmanager

mysql-test/r/distinct.result

@@ -200,16 +200,16 @@ select distinct 1 from t1,t3 where t1.a=t3.a;
 1
 explain SELECT distinct t1.a from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	NULL	PRIMARY	4	NULL	5	Using index for group-by
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	4	Using index
 explain SELECT distinct t1.a from t1 order by a desc;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	NULL	PRIMARY	4	NULL	5	Using index for group-by; Using temporary; Using filesort
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	4	Using index
 explain SELECT t1.a from t1 group by a order by a desc;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	NULL	PRIMARY	4	NULL	5	Using index for group-by; Using temporary; Using filesort
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	4	Using index
 explain SELECT distinct t1.a from t1 order by a desc limit 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	5	Using index
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	4	Using index
 explain SELECT distinct a from t3 order by a desc limit 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	index	NULL	a	5	NULL	10	Using index

mysql-test/r/group_min_max.result

@@ -1742,13 +1742,13 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	NULL	idx_t1_1	163	NULL	128	Using where; Using index
 explain select count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_2	65	NULL	106	Using where; Using index
+1	SIMPLE	t1	index	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_2	147	NULL	128	Using where; Using index
 explain select count(distinct b) from t1 where (a2 >= 'b') and (b = 'a');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	NULL	idx_t1_2	147	NULL	128	Using where; Using index
 explain select ord(a1) + count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_2	65	NULL	106	Using where; Using index
+1	SIMPLE	t1	index	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_2	147	NULL	128	Using where; Using index
 select count(distinct a1,a2,b) from t1 where (a2 >= 'b') and (b = 'a');
 count(distinct a1,a2,b)
 4
@@ -1890,10 +1890,10 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	NULL	idx_t1_1	163	NULL	128	Using index
 explain select a1,a2,count(a2) from t1 where (a1 > 'a') group by a1,a2,b;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_2	65	NULL	106	Using where; Using index
+1	SIMPLE	t1	index	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_1	163	NULL	128	Using where; Using index
 explain select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_2	65	NULL	106	Using where; Using index
+1	SIMPLE	t1	index	idx_t1_0,idx_t1_1,idx_t1_2	idx_t1_1	163	NULL	128	Using where; Using index
 drop table t1;
 drop table t2;
 drop table t3;