XtraDB 8 after-merge fixes: fix forgotten manual merge of patch file.

mysql-test/include/index_merge2.inc

@@ -122,12 +122,14 @@ insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b)
 analyze table t1;
 select count(*) from t1;
 
+--replace_column 9 REF
 explain select count(*) from t1 where
   key1a = 2 and key1b is null and  key2a = 2 and key2b is null;
 
 select count(*) from t1 where
   key1a = 2 and key1b is null and key2a = 2 and key2b is null;
 
+--replace_column 9 REF
 explain select count(*) from t1 where
   key1a = 2 and key1b is null and key3a = 2 and key3b is null;
 

mysql-test/r/index_merge_innodb.result

@@ -111,7 +111,7 @@ count(*)
 explain select count(*) from t1 where
 key1a = 2 and key1b is null and  key2a = 2 and key2b is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index_merge	i1,i2	i1,i2	10,10	NULL	3	Using intersect(i1,i2); Using where; Using index
+1	SIMPLE	t1	index_merge	i1,i2	i1,i2	10,10	NULL	REF	Using intersect(i1,i2); Using where; Using index
 select count(*) from t1 where
 key1a = 2 and key1b is null and key2a = 2 and key2b is null;
 count(*)
@@ -119,7 +119,7 @@ count(*)
 explain select count(*) from t1 where
 key1a = 2 and key1b is null and key3a = 2 and key3b is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index_merge	i1,i3	i1,i3	10,10	NULL	3	Using intersect(i1,i3); Using where; Using index
+1	SIMPLE	t1	index_merge	i1,i3	i1,i3	10,10	NULL	REF	Using intersect(i1,i3); Using where; Using index
 select count(*) from t1 where
 key1a = 2 and key1b is null and key3a = 2 and key3b is null;
 count(*)

mysql-test/r/index_merge_myisam.result

@@ -945,7 +945,7 @@ count(*)
 explain select count(*) from t1 where
 key1a = 2 and key1b is null and  key2a = 2 and key2b is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index_merge	i1,i2	i1,i2	10,10	NULL	2	Using intersect(i1,i2); Using where; Using index
+1	SIMPLE	t1	index_merge	i1,i2	i1,i2	10,10	NULL	REF	Using intersect(i1,i2); Using where; Using index
 select count(*) from t1 where
 key1a = 2 and key1b is null and key2a = 2 and key2b is null;
 count(*)
@@ -953,7 +953,7 @@ count(*)
 explain select count(*) from t1 where
 key1a = 2 and key1b is null and key3a = 2 and key3b is null;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index_merge	i1,i3	i1,i3	10,10	NULL	2	Using intersect(i1,i3); Using where; Using index
+1	SIMPLE	t1	index_merge	i1,i3	i1,i3	10,10	NULL	REF	Using intersect(i1,i3); Using where; Using index
 select count(*) from t1 where
 key1a = 2 and key1b is null and key3a = 2 and key3b is null;
 count(*)