单表多条件筛选交集60分在另外的板块，完成进去另外领分
这是数据表
BuyID AttributeID Value
1 1 单间出租
1 2 0
1 3 1
1 4 1000
2 1 整套出租
2 2 地址
2 3 1
2 4 1000
3 1 单间出租
3 2 9
3 3 10
3 4 1500
条件一：`AttributeID`=1 AND `Value`='单间出租'
条件二：`AttributeID`=4 AND `Value`>=1000 AND `Value`<=2000
我改如何搜索出条件一和条件二的交集呢？
即搜索出的结果只有一条，`BuyID`=1
尝试一：SELECT * FROM jm_user_buy_attribute WHERE (`AttributeID`=1 AND `Value`='单间出租') OR (`AttributeID`=4 AND `Value`>=1000 AND `Value`<=2000) GROUP BY BuyID
尝试一搜索出来的结果只是满足条件一或者条件二的结果，但不能筛选出交集。
尝试二：SELECT * FROM jm_user_buy_attribute WHERE (`AttributeID`=1 AND `Value`='单间出租') OR (`AttributeID`=4 AND `Value`>=1000 AND `Value`<=2000) GROUP BY BuyID
尝试二搜索出来的结果只是去除了相同的BuyID
尝试三：SELECT * FROM jm_user_buy_attribute as b1 left join jm_user_buy_attribute as b2 on b1.BuyID=b2.BuyID where b1.AttributeID=1 AND b1.Value='单间出租' OR b2.AttributeID=4 AND b2.Value>=1000 AND b2.Value<=2000
尝试二搜索出来的结果不正确。
http://bbs.csdn.net/topics/390325234
这是我在MYSQL板块那里发布过的！
解决问题后可以请进去领分
[解决办法]
单独 select * from jm_user_buy_attribute where AttributeID=1 AND Value='单间出租'
得
Array
(
[0] => Array
(
[BuyID] => 1
[AttributeID] => 1
[Value] => 单间出租
)
[1] => Array
(
[BuyID] => 3
[AttributeID] => 1
[Value] => 单间出租
)
)
单独 select * from jm_user_buy_attribute where AttributeID=4 AND Value>=1000 AND Value<=2000
得
Array
(
[0] => Array
(
[BuyID] => 1
[AttributeID] => 4
[Value] => 1000
)
[1] => Array
(
[BuyID] => 2
[AttributeID] => 4
[Value] => 1000
)
[2] => Array
(
[BuyID] => 3
[AttributeID] => 4
[Value] => 1500
)
)
所以对 BuyID 取交集为
select * from
(select * from jm_user_buy_attribute where AttributeID=1 AND Value='单间出租') t1,
(select * from jm_user_buy_attribute where AttributeID=4 AND Value>=1000 AND Value<=2000) t2
where t1.BuyID=t2.BuyID
得
Array
(
[0] => Array
(
[BuyID] => 1
[AttributeID] => 4
[Value] => 1000
)
[1] => Array
(
[BuyID] => 3
[AttributeID] => 4
[Value] => 1500
)
)
