如何在交叉表中创建静态列/行?见下面的例子;我可以有一个固定的jan,feb,march,...列而不是动态生成吗?
location jan feb mar apr may jun jul aug sep oct nov dec
london 500 62 200 50 0 60 100 46 89 200 150 210
paris 50 26 20 500 50 70 40 200 0 40 250 50
我希望列(jan,feb,mar,apr,...)始终显示,无论它们的度量为零还是有值 . 就像他们是固定的 .
这是我正在使用的查询:
select sum("AMOUNT"), "REQUESTDATE","description"
from(
SELECT SUM(e.AMOUNT)"AMOUNT",TO_CHAR(REQUESTDATE,'MM')"REQUESTDATE", CA.DESCR "description"
FROM PC_PAYMENTTRXNLOG PC,GLB_TYPE ca, PC_ESERVICEINQUIRY e
where PC.ESERVICE_ID = E.ID
AND trunc(REQUESTDATE) between trunc(to_date('2012-01-01','yyyy-mm-dd')) and trunc(to_date('2012-06-30','yyyy-mm-dd'))
GROUP BY TO_CHAR(REQUESTDATE,'MM'),CA.DESCR
)
group by "REQUESTDATE","description"
和输出
SUM("amount") Requestdate Description
2550405 04 A
2550405 04 B
23893281 05 C
614977 06 A
614977 06 E
2550405 04 C
现在更新后的查询
select sum("AMOUNT"), month,"description"
from(
SELECT SUM(e.AMOUNT)"AMOUNT",TO_CHAR(REQUESTDATE,'MM')"REQUESTDATE", CA.DESCR "description"
FROM PC_PAYMENTTRXNLOG PC,GLB_TYPE ca, PC_ESERVICEINQUIRY e
where PC.ESERVICE_ID = E.ID
AND trunc(REQUESTDATE) between trunc(to_date('2012-01-01','yyyy-mm-dd')) and trunc(to_date('2012-06-30','yyyy-mm-dd'))
GROUP BY TO_CHAR(REQUESTDATE,'MM'),CA.DESCR
)
full outer join (select to_char(date '1970-01-01'
+ numtoyminterval(level - 1, 'month'), 'mm') as month
from dual
connect by level <= 12) on month="REQUESTDATE"
group by month,"description"
当运行查询时,它会显示所有月份,无论它们的度量为零还是有值 .
但现在输出就是这样
location jan feb mar apr may jun jul aug sep oct nov dec
london 500 62 200 50 0 60 100 46 89 200 150 210
paris 50 26 20 500 50 70 40 200 0 40 250 50
null 0 0 0 0 0 0 0 0 0 0 0 0
我怎么能限制/隐藏最后一个空行?
1 回答
没有测试过..但尝试这样的事情
单击此处获取SQL Fiddle演示以在Oracle中生成1到12
一旦你生成了这个..全外连接你的主查询与这个系列查询并从系列查询中取月份,就像我在主查询中所做的那样 .
使用此查询,您将获得所有月份的所有数据,其中包含测量值的空值 .
对于
Description
列 - iReport set属性的isRemoveLineWhenBlank和isBlankWhenNull为True,这将删除在iReport中打印的空值对于
Measure
以这种方式使用Print when expression,当描述为null时返回false . 因此,这将阻止在iReport中打印0
值 .