我如何运行一次具有不同值的单个查询？

Question

我有以下查询，每次都需要更新日期和时间。任何人都可以帮助我找出可以运行单个查询并可以提取多个输入结果的方法吗？

select channel
       ,TO_CHAR(ECH.CH_VALIDFROM,'dd/mm/yyyy')
       , count(1) count 
from emcdu.ext_contract_history ech 
where ch_status='a' 
and CH_VALIDFROM BETWEEN TO_DATE('17/10/2018 20:21:00','dd/mm/yyyy hh24:mi:ss') 
                 AND TO_DATE ('17/10/2018 21:16:00','dd/mm/yyyy hh24:mi:ss') 
and ch_validfrom=(select min(CH_VALIDFROM) 
                  from emcdu.ext_contract_history 
                  where co_id=ech.co_id 
                  and ch_status='a') 
group by channel
       , TO_CHAR(ECH.CH_VALIDFROM,'dd/mm/yyyy');

我有以下日期和时间值：

('16/10/2018 11:41:00','dd/mm/yyyy hh24:mi:ss') AND TO_DATE
('16/10/2018 12:01:00','dd/mm/yyyy hh24:mi:ss')

('16/10/2018 12:38:00','dd/mm/yyyy hh24:mi:ss')  AND TO_DATE 
('16/10/2018 13:13:00','dd/mm/yyyy hh24:mi:ss') 

('16/10/2018 20:21:00','dd/mm/yyyy hh24:mi:ss')   AND TO_DATE
('16/10/2018 20:30:00','dd/mm/yyyy hh24:mi:ss')

Answer 1

根据我从您的评论中了解到的情况，您可能希望为每个范围定义一个范围 ID 并将其包含在 group by 中，然后将这些范围放入 CTE（或范围 table )

with inputs
AS
(
SELECT 1 in_range_id,
       TO_DATE('16/10/2018 11:41:00','dd/mm/yyyy hh24:mi:ss') as start_dtime,
       TO_DATE('16/10/2018 12:01:00','dd/mm/yyyy hh24:mi:ss') as end_dtime

FROM dual
UNION ALL
SELECT 2,
       TO_DATE('16/10/2018 12:38:00','dd/mm/yyyy hh24:mi:ss'),
       TO_DATE('16/10/2018 13:13:00','dd/mm/yyyy hh24:mi:ss')
FROM dual
UNION ALL
SELECT 3,
       TO_DATE('16/10/2018 20:21:00','dd/mm/yyyy hh24:mi:ss'),
       TO_DATE('16/10/2018 20:30:00','dd/mm/yyyy hh24:mi:ss')
FROM dual
)
select in_range_id
       ,channel
       ,TO_CHAR(ECH.CH_VALIDFROM,'dd/mm/yyyy')
       , count(1) count 
from emcdu.ext_contract_history ech cross join inputs i
where ch_status='a' 
and ch_validfrom BETWEEN  i.start_dtime 
                     AND  i.end_dtime
and ch_validfrom=(select min(CH_VALIDFROM) 
                  from emcdu.ext_contract_history 
                  where co_id=ech.co_id 
                  and ch_status='a') 
group by in_range_id
         ,channel
         ,TO_CHAR(ECH.CH_VALIDFROM,'dd/mm/yyyy');

Answer 2

一点点 ORing 怎么样（即将这些条件放入同一个 WHERE 子句中，使用 OR 运算符）：

select   channel
       , to_char(ech.ch_validfrom, 'dd/mm/yyyy')
       , count(*) count 
from emcdu.ext_contract_history ech 
where ch_status = 'a' 
and (   ch_validfrom between to_date('17/10/2018 20:21:00','dd/mm/yyyy hh24:mi:ss') 
                         and to_date('17/10/2018 21:16:00','dd/mm/yyyy hh24:mi:ss') 
     or ch_validfrom between to_date('16/10/2018 11:41:00','dd/mm/yyyy hh24:mi:ss') 
                         and to_date('16/10/2018 12:01:00','dd/mm/yyyy hh24:mi:ss')
     or ch_validfrom between to_date('16/10/2018 12:38:00','dd/mm/yyyy hh24:mi:ss')  
                         and to_date('16/10/2018 13:13:00','dd/mm/yyyy hh24:mi:ss') 
     or ch_validfrom between to_date('16/10/2018 20:21:00','dd/mm/yyyy hh24:mi:ss')   
                         and to_date('16/10/2018 20:30:00','dd/mm/yyyy hh24:mi:ss')
    )
and ch_validfrom=(select min(ch_validfrom) 
                  from emcdu.ext_contract_history 
                  where co_id = ech.co_id 
                  and ch_status = 'a') 
group by channel
       , to_char(ech.ch_validfrom, 'dd/mm/yyyy');

我如何运行一次具有不同值的单个查询？

How can I run a single query with different values at once?

sql

oracle

toad

我如何 运行 一次具有不同值的单个查询？

How can I run a single query with different values at once?

sql

oracle

toad

我如何运行一次具有不同值的单个查询？