从derby数据库中提取特定行值

Question

我有下表，我需要根据RESULT列中的值过滤该行。当结果为1然后选择该行。如果结果为0，则选择该特定国家/地区的最后一行。

＆＃13;

＆＃13;

Country		      Order	START_TIME	       TARGET	REQUEST		RESPONSE	RESULT
UK			1	17/03/2015 15:45	null	<XML> content	<XML> content	0
UK			2	17/03/2015 15:45	null	<XML> content	<XML> content	0
UK			3	17/03/2015 15:45	null	<XML> content	<XML> content	0
GERMANY			1	17/03/2015 15:45	null	<XML> content	<XML> content	1
SINGAPORE		1	18/03/2015 15:45	null	<XML> content	<XML> content	0
SINGAPORE		2	18/03/2015 15:45	null	<XML> content	<XML> content	0
SINGAPORE		3	18/03/2015 15:45	null	<XML> content	<XML> content	1
JAPAN			1	15/03/2015 15:45	null	<XML> content	<XML> content	0
JAPAN			2	15/03/2015 15:45	null	<XML> content	<XML> content	0
JAPAN			3	15/03/2015 15:45	null	<XML> content	<XML> content	0
AUSTRALIA		1	16/03/2015 15:45	null	<XML> content	<XML> content	0
AUSTRALIA		2	17/03/2015 15:45	null	<XML> content	<XML> content	0
AUSTRALIA		3	18/03/2015 15:45	null	<XML> content	<XML> content	0
CANADA			1	18/03/2015 15:45	null	<XML> content	<XML> content	0
CANADA			2	18/03/2015 15:45	null	<XML> content	<XML> content	0
VIETNAM			1	18/03/2015 15:45	null	<XML> content	<XML> content	1
THAILAND		1	18/03/2015 15:45	null	<XML> content	<XML> content	0
MALYASIA		1	18/03/2015 15:45	null	<XML> content	<XML> content	0
MALYASIA		2	18/03/2015 15:45	null	<XML> content	<XML> content	0

＆＃13;

＆＃13;

＆＃13;

以下是我需要的内容。我需要在Derby中执行此操作。

表的元数据 国家 - VARCHAR
订单 - INTEGER 开始时间 - TIMESTAMP TARGET - VARCHAR 请求 - CLOB 回复 - CLOB 结果 - CHAR

＆＃13;

＆＃13;

Country		Order		START_TIME		TARGET	REQUEST			RESPONSE		RESULT
UK			3	17/03/2015 15:45	null	<XML> content	<XML> content	0
GERMANY			1	17/03/2015 15:45	null	<XML> content	<XML> content	1
SINGAPORE		3	18/03/2015 15:45	null	<XML> content	<XML> content	1
JAPAN			3	15/03/2015 15:45	null	<XML> content	<XML> content	0
AUSTRALIA		3	18/03/2015 15:45	null	<XML> content	<XML> content	0
CANADA			2	18/03/2015 15:45	null	<XML> content	<XML> content	0
VIETNAM			1	18/03/2015 15:45	null	<XML> content	<XML> content	1
THAILAND		1	18/03/2015 15:45	null	<XML> content	<XML> content	0
MALYASIA		2	18/03/2015 15:45	null	<XML> content	<XML> content	0

＆＃13;

＆＃13;

＆＃13;