multiple-column-index: Use target type as the first column.

test/sql/suite/mroonga_storage/r/multiple_column_index_int.result

@@ -4,7 +4,7 @@ create table scores (
 id int primary key auto_increment not null,
 name char(30) not null,
 score int not null,
-index property (name, score)
+index property (score, name)
 ) default charset utf8;
 show create table scores;
 Table	Create Table
@@ -13,7 +13,7 @@ scores	CREATE TABLE `scores` (
   `name` char(30) NOT NULL,
   `score` int(11) NOT NULL,
   PRIMARY KEY (`id`),
-  KEY `property` (`name`,`score`)
+  KEY `property` (`score`,`name`)
 ) ENGINE=mroonga DEFAULT CHARSET=utf8
 insert into scores (name, score) values("Taro Yamada", 29);
 insert into scores (name, score) values("Taro Yamada", -12);
@@ -25,15 +25,13 @@ id	name	score
 2	Taro Yamada	-12
 3	Jiro Yamada	27
 4	Taro Yamada	10
-select * from scores where name = "Taro Yamada";
+select * from scores where score = 29;
 id	name	score
-2	Taro Yamada	-12
-4	Taro Yamada	10
 1	Taro Yamada	29
-select * from scores where name = "Taro Yamada" and score = 29;
+select * from scores where score = 29 and name = "Taro Yamada";
 id	name	score
 1	Taro Yamada	29
-select * from scores where name = "Taro Yamada" and (score >= -12 and score < 29);
+select * from scores where (score >= -12 and score < 29) and name = "Taro Yamada";
 id	name	score
 2	Taro Yamada	-12
 4	Taro Yamada	10

test/sql/suite/mroonga_storage/t/multiple_column_index_int.test

@@ -25,17 +25,17 @@ create table scores (
   id int primary key auto_increment not null,
   name char(30) not null,
   score int not null,
-  index property (name, score)
+  index property (score, name)
 ) default charset utf8;
 show create table scores;
 insert into scores (name, score) values("Taro Yamada", 29);
 insert into scores (name, score) values("Taro Yamada", -12);
 insert into scores (name, score) values("Jiro Yamada", 27);
 insert into scores (name, score) values("Taro Yamada", 10);
 select * from scores;
-select * from scores where name = "Taro Yamada";
-select * from scores where name = "Taro Yamada" and score = 29;
-select * from scores where name = "Taro Yamada" and (score >= -12 and score < 29);
+select * from scores where score = 29;
+select * from scores where score = 29 and name = "Taro Yamada";
+select * from scores where (score >= -12 and score < 29) and name = "Taro Yamada";
 drop table scores;
 
 --source include/have_mroonga_deinit.inc