查询为行分配序列号而不组合在一起且不更改行的顺序
Query to assign serial number for rows without grouping together and without changing the order of rows
这 table 包括将集装箱运送到另一个位置的卡车行程。卡车每次运载一个集装箱时，都会存储记录。如果它运载 1 个单位，那么我在 Unitcount 字段下存储“1 单位”，并将 TripCount 指定为 1。如果卡车运载 2 个单位，则 Unitcount 字段值保存为“2 单位”，TripCount 为 0.5
下面是 table 内容 - 这里 Tid 是主键：
我需要以下输出：
也就是说，如果driver携带了2个单元，那么“Work Serial”值应该存储编号。他工作的旅行次数，并且必须保持他携带 2 个单位的旅行的恒定价值。此输出的目的是，我将使用此“Work Serial”列来计算他的行程的行程成本。比如，第一次他得到 20 美元，第二次得到 20 美元，第三次得到 25 美元，第四次得到 30 美元。我的问题是，无论我如何尝试，我的查询计算为 6 次旅行，实际上他只执行了 4 次旅行。希望我能够解释我的要求。我明白，这是一个非常简单的查询；但不幸的是我无法解决。
请注意，不应更改行的顺序。
抱歉没有解释清楚。这是我的错误，因为我只指定了一个 driver 名称和一个日期。事实上，我正在计算特定周和所有 driver 的 driver 旅行费用。尽管我已经从 table 中复制了可能的值并粘贴到此处。
使用以下脚本创建 table 并插入数据（用于解决方法）
CREATE TABLE [dbo].[Test_Table](
[Tid] [bigint] NOT NULL,
[DriverName] [nvarchar](50) NULL,
[Cardgdate] [date] NULL,
[Dircid] [int] NULL,
[Load] [nvarchar](50) NULL,
[UnitCount] [nchar](10) NULL,
[Result] [int] NULL,
CONSTRAINT [PK_Test_Table] PRIMARY KEY CLUSTERED
(
[Tid] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253293, N'Naveed Khan', '20200823 00:00:00.000', 34, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253320, N'Aas Muhammad', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253358, N'Danish Imtiaz', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253407, N'Naveed Khan', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253434, N'Aas Muhammad', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253449, N'Danish Imtiaz', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253492, N'Naveed Khan', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253516, N'Danish Imtiaz', '20200824 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253520, N'Naveed Khan', '20200824 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253525, N'Aas Muhammad', '20200824 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253576, N'Danish Imtiaz', '20200824 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253592, N'Aas Muhammad', '20200824 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253599, N'Naveed Khan', '20200824 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254647, N'Danish Imtiaz', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254659, N'Naveed Khan', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254664, N'Aas Muhammad', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254711, N'Danish Imtiaz', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254743, N'Chandra Shekar', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254744, N'Aas Muhammad', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254745, N'Naveed Khan', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254783, N'Danish Imtiaz', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254785, N'Chandra Shekar', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254802, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254803, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254815, N'Chandra Shekar', '20200826 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254833, N'Aas Muhammad', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254900, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254904, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254905, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254927, N'Chandra Shekar', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254964, N'Aas Muhammad', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254986, N'Danish Imtiaz', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254987, N'Naveed Khan', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254992, N'Chandra Shekar', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
我猜 tid 确实是一个主键，代表您关心的顺序。
您可以通过查看某些列相同的行来分配您想要的值——我猜这些是 drivername、cardgdate、dircid、load 和 unitcount。然后，您可以将其视为间隙和孤岛问题。检查这些值何时发生变化并进行累加：
select t.*,
sum(case when prev_tid_grp = prev_tid then 0 -- no change in the key columns
else 1 -- count the change!
end) over (order by tid) as workserial
from (select t.*,
lag(tid) over (order by tid) as prev_tid,
lag(tid) over (partition by rivername, cardgdate, dircid, load, unitcount order by tid) as prev_tid_grp
from t
) t;
据我了解您的问题，您希望索引计数在每次单位计数更改时递增。
如果是，可以用lag()，然后一个windowcount()。不清楚哪一列可以用来对行进行排序，所以我假设 id.
select t.*,
sum(case when unitcount = lag_unitcount then 0 else 1 end)
over(partition by drivename order by id) worserial
from (
select t.*,
lag(unitcount) over(partition by drivename order by id) lag_unitcount
from mytable t
) t
即使你用 1 个单位来计算行程，我还是有点困惑，但如果我理解主要的 objective 正确，这应该会有所帮助。
drop table if exists test_table;
create table test_table as
select 254802 as id, 0.5 as TripCount,'Abdul' as DriverName,'2units' as units union
select 254803 as id, 0.5 as TripCount, 'Abdul' as DriverName,'2units' as units union
select 254987 as id, 1 as TripCount, 'Abdul' as DriverName,'1units' as units union
select 254910 as id, 0.5 as TripCount,'Abdul' as DriverName,'2units' as units union
select 254911 as id, 0.5 as TripCount,'Abdul' as DriverName,'2units' as units union
select 254912 as id, 1 as TripCount,'Abdul' as DriverName,'1units' as units ;
select id,TripCount,DriverName,unit_flg,
sum (TripCount) over (partition by DriverName,unit_flg order by id rows unbounded preceding ) cumulative_trips
from (select *,case when units='2units' then 1 else 0 end as unit_flg
from test_table ) a where a.unit_flg>0 group by 1,2,3,4;
这 table 包括将集装箱运送到另一个位置的卡车行程。卡车每次运载一个集装箱时，都会存储记录。如果它运载 1 个单位，那么我在 Unitcount 字段下存储“1 单位”，并将 TripCount 指定为 1。如果卡车运载 2 个单位，则 Unitcount 字段值保存为“2 单位”，TripCount 为 0.5
下面是 table 内容 - 这里 Tid 是主键：
我需要以下输出：
也就是说，如果driver携带了2个单元，那么“Work Serial”值应该存储编号。他工作的旅行次数，并且必须保持他携带 2 个单位的旅行的恒定价值。此输出的目的是，我将使用此“Work Serial”列来计算他的行程的行程成本。比如，第一次他得到 20 美元，第二次得到 20 美元，第三次得到 25 美元，第四次得到 30 美元。我的问题是，无论我如何尝试，我的查询计算为 6 次旅行，实际上他只执行了 4 次旅行。希望我能够解释我的要求。我明白，这是一个非常简单的查询；但不幸的是我无法解决。
请注意，不应更改行的顺序。
抱歉没有解释清楚。这是我的错误，因为我只指定了一个 driver 名称和一个日期。事实上，我正在计算特定周和所有 driver 的 driver 旅行费用。尽管我已经从 table 中复制了可能的值并粘贴到此处。
使用以下脚本创建 table 并插入数据（用于解决方法）
CREATE TABLE [dbo].[Test_Table](
[Tid] [bigint] NOT NULL,
[DriverName] [nvarchar](50) NULL,
[Cardgdate] [date] NULL,
[Dircid] [int] NULL,
[Load] [nvarchar](50) NULL,
[UnitCount] [nchar](10) NULL,
[Result] [int] NULL,
CONSTRAINT [PK_Test_Table] PRIMARY KEY CLUSTERED
(
[Tid] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253293, N'Naveed Khan', '20200823 00:00:00.000', 34, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253320, N'Aas Muhammad', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253358, N'Danish Imtiaz', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253407, N'Naveed Khan', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253434, N'Aas Muhammad', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253449, N'Danish Imtiaz', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253492, N'Naveed Khan', '20200823 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253516, N'Danish Imtiaz', '20200824 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253520, N'Naveed Khan', '20200824 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253525, N'Aas Muhammad', '20200824 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253576, N'Danish Imtiaz', '20200824 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253592, N'Aas Muhammad', '20200824 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (253599, N'Naveed Khan', '20200824 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254647, N'Danish Imtiaz', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254659, N'Naveed Khan', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254664, N'Aas Muhammad', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254711, N'Danish Imtiaz', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254743, N'Chandra Shekar', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254744, N'Aas Muhammad', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254745, N'Naveed Khan', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254783, N'Danish Imtiaz', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254785, N'Chandra Shekar', '20200825 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254802, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254803, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254815, N'Chandra Shekar', '20200826 00:00:00.000', 34, N'Agent', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254833, N'Aas Muhammad', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254900, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254904, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254905, N'Naveed Khan', '20200826 00:00:00.000', 39, N'Terminal', N'2 Units ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254927, N'Chandra Shekar', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254964, N'Aas Muhammad', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254986, N'Danish Imtiaz', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254987, N'Naveed Khan', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
INSERT INTO [dbo].[Test_Table]([Tid], [DriverName], [Cardgdate], [Dircid], [Load], [UnitCount], [Result]) VALUES (254992, N'Chandra Shekar', '20200826 00:00:00.000', 30, N'Terminal', N'1 Unit ', 0)
我猜 tid 确实是一个主键，代表您关心的顺序。
您可以通过查看某些列相同的行来分配您想要的值——我猜这些是 drivername、cardgdate、dircid、load 和 unitcount。然后，您可以将其视为间隙和孤岛问题。检查这些值何时发生变化并进行累加：
select t.*,
sum(case when prev_tid_grp = prev_tid then 0 -- no change in the key columns
else 1 -- count the change!
end) over (order by tid) as workserial
from (select t.*,
lag(tid) over (order by tid) as prev_tid,
lag(tid) over (partition by rivername, cardgdate, dircid, load, unitcount order by tid) as prev_tid_grp
from t
) t;
据我了解您的问题，您希望索引计数在每次单位计数更改时递增。
如果是，可以用lag()，然后一个windowcount()。不清楚哪一列可以用来对行进行排序，所以我假设 id.
select t.*,
sum(case when unitcount = lag_unitcount then 0 else 1 end)
over(partition by drivename order by id) worserial
from (
select t.*,
lag(unitcount) over(partition by drivename order by id) lag_unitcount
from mytable t
) t
即使你用 1 个单位来计算行程，我还是有点困惑，但如果我理解主要的 objective 正确，这应该会有所帮助。
drop table if exists test_table;
create table test_table as
select 254802 as id, 0.5 as TripCount,'Abdul' as DriverName,'2units' as units union
select 254803 as id, 0.5 as TripCount, 'Abdul' as DriverName,'2units' as units union
select 254987 as id, 1 as TripCount, 'Abdul' as DriverName,'1units' as units union
select 254910 as id, 0.5 as TripCount,'Abdul' as DriverName,'2units' as units union
select 254911 as id, 0.5 as TripCount,'Abdul' as DriverName,'2units' as units union
select 254912 as id, 1 as TripCount,'Abdul' as DriverName,'1units' as units ;
select id,TripCount,DriverName,unit_flg,
sum (TripCount) over (partition by DriverName,unit_flg order by id rows unbounded preceding ) cumulative_trips
from (select *,case when units='2units' then 1 else 0 end as unit_flg
from test_table ) a where a.unit_flg>0 group by 1,2,3,4;