Sql 从特定记录的日期范围派生开始日期和结束日期
使用SQLServer2008 我有一个记录编号和一个列,其中包含“输入”和“输出”数据以及与之相关的一些日期。 我想根据标准导出它们的开始日期和结束日期。最小日期成为开始日期,下一个日期成为结束日期。一条记录可以有多个输入和输出。下面是一个示例查询,尝试了很少的选项,但没有任何效果Sql 从特定记录的日期范围派生开始日期和结束日期,sql,sql-server,sql-server-2008,Sql,Sql Server,Sql Server 2008,使用SQLServer2008 我有一个记录编号和一个列,其中包含“输入”和“输出”数据以及与之相关的一些日期。 我想根据标准导出它们的开始日期和结束日期。最小日期成为开始日期,下一个日期成为结束日期。一条记录可以有多个输入和输出。下面是一个示例查询,尝试了很少的选项,但没有任何效果 IF OBJECT_ID('tempdb..#tmp_Info') IS NOT NULL DROP TABLE #tmp_Info IF OBJECT_ID('tempdb..#RN') IS NOT NULL
IF OBJECT_ID('tempdb..#tmp_Info') IS NOT NULL DROP TABLE #tmp_Info
IF OBJECT_ID('tempdb..#RN') IS NOT NULL DROP TABLE #RN
CREATE TABLE #tmp_Info
(
RECORD_NO INT,
TYPE_1 VARCHAR(10),
TYPE_2 VARCHAR(250),
START_END DATE
)
INSERT INTO #tmp_Info (RECORD_NO, TYPE_1, TYPE_2, START_END)
VALUES
(261505,'IN','ADM','1/1/2001'),
(261505,'OUT','RELEASE','2/6/2001'),
(261505,'IN','ADM','2/10/2001'),
(261505,'OUT','RELEASE','4/2/2001'),
(261505,'IN','ADM','5/12/2001'),
(261505,'OUT','RELEASE','7/13/2001'),
(261506,'IN','ADM','1/12/2001'),
(261506,'OUT','RELEASE','2/15/2001'),
(261506,'IN','ADM','2/20/2001'),
(261506,'OUT','RELEASE','4/2/2001'),
(261506,'IN','ADM','5/15/2001'),
(261506,'OUT','RELEASE','7/17/2001'),
(261506,'IN','ADM','8/1/2001')
SELECT * FROM #tmp_Info;
-->>>> OPTION 1
WITH STARTEND AS
(
SELECT T.RECORD_NO, T.START_END, RN = ROW_NUMBER() OVER (PARTITION BY RECORD_NO, TYPE_1 ORDER BY START_END)
FROM #tmp_Info T
)
SELECT A.RECORD_NO,A.START_END AS START_DT, B.START_END AS END_DT
FROM STARTEND A
LEFT JOIN STARTEND B ON A.RECORD_NO = B.RECORD_NO AND A.RN = B.RN+1
ORDER BY A.RECORD_NO, A.START_END;
-->>>>OPTION 2
SELECT T.*, RN = ROW_NUMBER() OVER (PARTITION BY RECORD_NO, TYPE_1 ORDER BY START_END)
into #RN
FROM #tmp_Info T
SELECT * FROM #RN
我正在附加我要查找的结果集:您可以使用以下查询:
;WITH CTE_Rn AS (
SELECT RECORD_NO, TYPE_1, TYPE_2, START_END,
ROW_NUMBER() OVER (PARTITION BY RECORD_NO, TYPE_1
ORDER BY START_END) AS rn
FROM #tmp_Info
)
SELECT t1.RECORD_NO, t1.START_END AS START_DT, t2.START_END AS END_DT
FROM CTE_Rn AS t1
LEFT JOIN CTE_Rn AS t2
ON t1.RECORD_NO = t2.RECORD_NO AND
t2.TYPE_1 = 'OUT' AND
t1.rn = t2.rn
WHERE t1.TYPE_1 = 'IN';