sqlserver数据库将多行数据按照一定规则进行合并为一条数据
## sqlserver数据库将多行数据按照一定规则进行合并为一条数据
结果演示
处理方案
通过存储过程将数据进行区分再组合最总实现分组 sql如下
创建测试表及数据
CREATE TABLE [dbo].[Table_1](
[time] [datetime] NULL,
[id] [varchar](50) NULL,
[nursing] [varchar](50) NULL,
[fz] [varchar](50) NULL,
[xh] [varchar](50) NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (CAST(0x0000AA2900DE32D0 AS DateTime), N'1', N'11111111', N'┑', N'1')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'1', N'233232323', N'┃', N'2')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'1', N'2wewweee', N'┙', N'3')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (CAST(0x0000AA2900DF05C0 AS DateTime), N'1', N'2222212121', N'┑', N'32')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'1', N'2aqwqsww', N'┙', N'33')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (CAST(0x0000AA2900E17E90 AS DateTime), N'3', N'frfrfrfrfrfrfrffff', N'', N'42')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (CAST(0x0000AA2900E17E90 AS DateTime), N'4', N' fgfgfgfgfgf', N'┑', N'44')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'4', N'rtrtrtrtr', N'┙', N'45')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (CAST(0x0000AA2900E5E390 AS DateTime), N'5', N'4t4t4t4t4t', N'┑', N'55')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'5', N'hththththt', N'┙', N'56')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (CAST(0x0000AA2C00A7D0F0 AS DateTime), N'1', N'wdsdssd', N'┑', N'57')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'1', N'wdwddwdwd', N'┃', N'58')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'1', N'efefefefefef', N'┃', N'59')
INSERT [dbo].[Table_1] ([time], [id], [nursing], [fz], [xh]) VALUES (NULL, N'1', N'ddfdffdfdfdf', N'┙', N'60')
创建结果存储表结构
CREATE TABLE [dbo].[Table_2](
[time] [datetime] NULL,
[id] [varchar](50) NULL,
[nursing] [varchar](50) NULL
) ON [PRIMARY]
处理数据的存储过程
ALTER PROCEDURE [dbo].[NurseRecordInhos1]
AS
BEGIN
CREATE TABLE [dbo].[#NurseRecord1](
[time] [datetime] NULL,
[id] [varchar](50) NULL,
[nursing] [varchar](50) NULL,
[fz] [varchar](50) NULL,
[xh] [varchar](50) NULL,
[dd] [int] NULL
)
CREATE TABLE [dbo].[#NurseRecord2] (
[time] [datetime] NULL,
[id] [varchar](50) NULL,
[nursing] [varchar](50) NULL,
[fz] [varchar](50) NULL,
[xh] [varchar](50) NULL,
[tt] [int] NULL
)
CREATE TABLE [dbo].[#NurseRecord3] (
[time] [datetime] NULL,
[id] [varchar](50) NULL,
[nursing] [varchar](50) NULL
)
insert into #NurseRecord1 (time,id,nursing,fz,xh,dd)
(select a.*,ROW_NUMBER()over(order by time) as dd from lianxi.dbo.Table_1 a where (fz is not null and fz='┑') and time is not null) --抓取NSIS2071.dbo.NurseItemRecord 中
insert into #NurseRecord2 (time,id,nursing,fz,xh,tt)
(select b.*,ROW_NUMBER()over(order by time) as tt from lianxi.dbo.Table_1 b where (fz ='┙' and fz<>''))
DECLARE my_cursor cursor
FOR (SELECT dd FROM #NurseRecord1)--抓取 放入游标 my_cursor 内
OPEN my_cursor --打开游标
declare @ddd int
--insert into Table_4 select * from lianxi.dbo.Table_1
--delete Table_4 select * from table_4
FETCH NEXT FROM my_cursor INTO @ddd --取出游标中的一条记录装入变量
WHILE @@FETCH_STATUS=0
BEGIN
--declare @ss varchar(20)
declare @nu varchar(20)
select 'zzzz0'
select @ddd
insert into #NurseRecord3 (time, id,nursing) select sss.da,sss.db,sss.yyy from (
select (select time from #NurseRecord1 where dd=@ddd) da, (select id from #NurseRecord1 where dd=@ddd) db,((select nursing from lianxi.dbo.Table_1 where xh= (select xh from #NurseRecord1 where dd=@ddd)) +isnull(ss.aaa,'')+ (select nursing from lianxi.dbo.Table_1 where xh= (select xh from #NurseRecord2 where tt=@ddd))) yyy from (select aaa=stuff ((select b.nursing+'' from lianxi.dbo.Table_1 b where b.id = (select id from #NurseRecord1 where dd=@ddd) and xh>(select xh from #NurseRecord1 where dd=@ddd) and xh<(select xh from #NurseRecord2 where tt=@ddd) for xml path('')),1,0,'') )ss) sss
FETCH NEXT FROM my_cursor INTO @ddd --取出下一行游标中的一条记录装入变量
END
close my_cursor
DEALLOCATE my_cursor
BEGIN
select '1mn'
select * from #NurseRecord3
delete lianxi.dbo.Table_2
INSERT INTO lianxi.dbo.Table_2 select * from #NurseRecord3
insert into lianxi.dbo.Table_2 select a.time,a.id,a.nursing from lianxi.dbo.Table_1 a where a.fz=''
END
TRUNCATE TABLE #NurseRecord3
TRUNCATE TABLE #NurseRecord2
TRUNCATE TABLE #NurseRecord1
END