Sql 插入5列。我们遗漏了什么吗？@Larnu谢谢你提到这一点，我已经更新了。 declare @source table( id int not null, serviceId int not null, startDate datet

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插入

5列。我们遗漏了什么吗？@Larnu谢谢你提到这一点，我已经更新了。

declare @source table(
    id int not null,
    serviceId int not null,
    startDate datetime, 
    endDate datetime,
    [date] date
)

insert into @source values (1, 4, '2020-03-16 07:00:00.000', '2020-03-16 10:00:00.000', '2020-03-16')
insert into @source values (2, 4, '2020-03-16 11:00:00.000', '2020-03-16 16:00:00.000', '2020-03-16')
insert into @source values (3, 4426, '2020-03-16 08:00:00.000', '2020-03-16 16:00:00.000', '2020-03-16')
insert into @source values (4, 91, '2020-03-16 15:00:00.000', '2020-03-16 17:00:00.000', '2020-03-16')

 select 
        id
    ,   serviceId
    ,   startDate
    ,   endDate
    ,   [date]

from @source

2020-03-16 15:00:00.000 - 2020-03-16 16:00:00.000

declare @source table(
    id int not null,
    serviceId int not null,
    startDate datetime, 
    endDate datetime,
    [date] date
)

insert into @source values (1, 4, '2020-03-16 07:00:00.000', '2020-03-16 10:00:00.000', '2020-03-16')
insert into @source values (2, 4, '2020-03-16 11:00:00.000', '2020-03-16 16:00:00.000', '2020-03-16')

select 
        id
    ,   serviceId
    ,   startDate
    ,   endDate
    ,   [date]
from @source

2020-03-16 07:00:00.000 - 2020-03-16 10:00:00.000
2020-03-16 11:00:00.000 - 2020-03-16 16:00:00.000

declare @source table(
    id int not null,
    serviceId int not null,
    startDate datetime, 
    endDate datetime,
    [date] date
)

insert into @source values (1, 4, '2020-03-16 07:00:00.000', '2020-03-16 10:00:00.000', '2020-03-16')
insert into @source values (2, 4, '2020-03-16 11:00:00.000', '2020-03-16 16:00:00.000', '2020-03-16')
----Uncommenting causes no results, which is wrong
--insert into @source values (3, 4426, '2020-03-16 08:00:00.000', '2020-03-16 16:00:00.000', '2020-03-16')
--insert into @source values (4, 91, '2020-03-16 15:00:00.000', '2020-03-16 17:00:00.000', '2020-03-16')

select 
        openinghours.[date]
    ,   openinghours.[from] as [from]
    ,   openinghours.[to] as [to]
from
(
    select 
            openinghours_with_comparison.[date]
        ,   openinghours_with_comparison.[from1]
        ,   openinghours_with_comparison.[to1]
        ,   max(openinghours_with_comparison.[has_overlap]) as overlap
        ,   case 
                when max(openinghours_with_comparison.[has_overlap]) = 1 then max(openinghours_with_comparison.[new_from])
                else openinghours_with_comparison.[from1]
            end as [from]
        ,   case 
                when max(openinghours_with_comparison.[has_overlap]) = 1 then min(openinghours_with_comparison.[new_to])
                else openinghours_with_comparison.[to1]
            end as [to]
    from
    (
        select 
                openinghours.[date]
            ,   openinghours.[serviceId]
            ,   openinghours_to_compare.[serviceId] as [compare_service_id]
            ,   openinghours.[startDate] as [from1]
            ,   openinghours.[endDate] as [to1]
            ,   openinghours_to_compare.[startDate] as [from2]
            ,   openinghours_to_compare.[endDate] as [to2]
            ,   case
                    when 
                        openinghours.[serviceId] != openinghours_to_compare.[serviceId] and
                        (
                            (
                                openinghours.[startDate] != openinghours_to_compare.[startDate] 
                                and 
                                (
                                    openinghours.[startDate] between openinghours_to_compare.[startDate] and openinghours_to_compare.[endDate] 
                                    or
                                    openinghours.[endDate] between openinghours_to_compare.[startDate] and openinghours_to_compare.[endDate]
                                )
                            )or
                            (
                                openinghours.[endDate] != openinghours_to_compare.[endDate]
                                and
                                (
                                    openinghours_to_compare.[startDate] between openinghours.[startDate] and openinghours.[endDate] 
                                    or
                                    openinghours_to_compare.[endDate] between openinghours.[startDate] and openinghours.[endDate]
                                )
                            )
                        ) then 1
                    else 0
                end as [has_overlap]
            ,   case
                    when (openinghours.[startDate] != openinghours_to_compare.[startDate] and openinghours.[startDate] between openinghours_to_compare.[startDate] and openinghours_to_compare.[endDate]) then openinghours.[startDate]
                    else openinghours_to_compare.[startDate]
                end as [new_from]
            ,   case
                    when (openinghours.[endDate] != openinghours_to_compare.[endDate] and openinghours.[endDate] between openinghours_to_compare.[startDate] and openinghours_to_compare.[endDate]) then openinghours.[endDate]
                    else openinghours_to_compare.[endDate]
                end as [new_to]
        from
        (
            select 
                *
            from @source
        ) openinghours
        left join
        (
            select 
                *
            from @source
        )openinghours_to_compare on openinghours_to_compare.[date] = openinghours.[date]
)openinghours_with_comparison
    group by 
            openinghours_with_comparison.[date]
        ,   openinghours_with_comparison.[serviceId]
        ,   openinghours_with_comparison.[from1]
        ,   openinghours_with_comparison.[to1]
)openinghours
group by 
        openinghours.[date]
    ,   openinghours.[from]
    ,   openinghours.[to]
having count(*) = (select count(distinct serviceId) from @source)
and openinghours.[from] <= openinghours.[to]