연속 시간 간격으로 SQL 결과 그룹화 (Oracle SQL)

StackOverflow https://stackoverflow.com/questions/427448

문제

안녕하세요 테이블에 다음 데이터가 있습니다.

id ----- 시작 데이트 ---- 엔드 데이트
5549 2008-05-01 4712-12-31
5567 2008-04-17 2008-04-30 1
5567 2008-05-01 2008-07-31 1
5567 2008-09-01 4712-12-31 2
5569 2008-05-01 2008-08-31
5569 2008-09-01 4712-12-31
5589 2008-04-18 2008-04-30
5589 2008-05-01 4712-12-31
5667 2008-05-01 4712-12-31
5828 2008-06-03 4712-12-31
5867 2008-06-03 4712-12-31
6167 2008-11-01 4712-12-31
6207 2008-07-01 4712-12-31
6228 2008-07-01 4712-12-31
6267 2008-07-14 4712-12-31

나는 각 ID에 대한 연속 시간 간격을 그룹화하는 방법을 찾고 있습니다.

id, min (startdate), max (enddate),

Bolded ID 5567의 결과에 이와 같은 것을 갖기 위해

5567 2008-04-17 2008-07-31
5567 2008-09-01 4712-12-31

PL/SQL도 여기 옵션입니다 :)

감사,

도움이 되었습니까?

해결책

나는 이것이 당신이 필요한 것을 할 것이라고 생각합니다 : (아마도 그것은 겹치는 범위로 혼란 스러울 것입니다. 데이터 세트에서 가능한지 모르겠습니다).

select id, min(start_date) period_start, max(end_date) period_end
from
(
select 
    id, start_date, end_date,
    max(contig) over (partition by id order by end_date) contiguous_group
from
(
select 
    id, start_date, end_date,
    case 
        when lag(end_date) over (partition by id order by end_date) != start_date-1 or row_number() over (partition by id order by end_date)=1 
            then row_number() over (partition by id order by end_date) else null end contig
from t2
)
)
group by id, contiguous_group
order by id, period_start
/

다음은 몇 가지 추가 항목을 사용하여 사용한 테스트 데이터입니다.

create table t2 (id number, start_date date, end_date date);

insert into t2(id, start_date, end_date)values(5549, to_date('2008-05-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5567, to_date('2008-04-17', 'yyyy-mm-dd'), to_date('2008-04-30', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5567, to_date('2008-05-01', 'yyyy-mm-dd'), to_date('2008-07-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5567, to_date('2008-08-01', 'yyyy-mm-dd'), to_date('2008-08-14', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5567, to_date('2009-09-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5567, to_date('2008-11-17', 'yyyy-mm-dd'), to_date('2008-12-13', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5567, to_date('2008-12-14', 'yyyy-mm-dd'), to_date('2008-12-24', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5569, to_date('2008-05-01', 'yyyy-mm-dd'), to_date('2008-08-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5569, to_date('2008-09-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5589, to_date('2008-04-18', 'yyyy-mm-dd'), to_date('2008-04-30', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5589, to_date('2008-05-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5667, to_date('2008-05-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5828, to_date('2008-06-03', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(5867, to_date('2008-06-03', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(6167, to_date('2008-11-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(6207, to_date('2008-07-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(6228, to_date('2008-07-01', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));
insert into t2(id, start_date, end_date)values(6267, to_date('2008-07-14', 'yyyy-mm-dd'), to_date('4712-12-31', 'yyyy-mm-dd'));

commit;

다른 팁

다음과 같은 분석 기능 으로이 작업을 수행 할 수 있습니다.

with d as
( select id, start_date, end_date
  ,      case when start_date = prev_end+1 
              then 'cont' else 'new' end start_status
  ,      case when end_date = next_start-1
              then 'cont' else 'new' end end_stat
  from
  (
  select id, start_date, end_date
  ,      lag(end_date) over (partition by id order by start_date) prev_end
  ,      lead(start_date) over (partition by id order by start_date) next_start
  from t1
  order by id, start_date
  )
)
select starts.id, starts.start_date, ends.end_date
from
( select id, start_date, row_number() over (order by id, start_date) rn
  from   d
  where  start_status='new'
) starts,
( select id, end_date, row_number() over (order by id, start_date) rn
  from   d
  where  end_status='new'
) ends
where starts.rn = ends.rn

귀하의 데이터 로이 결과를 얻습니다.

        ID START_DATE END_DATE
---------- ---------- ----------
      5549 2008-05-01 4712-12-31
      5567 2008-04-17 2008-07-31
      5567 2008-09-01 4712-12-31
      5569 2008-05-01 4712-12-31
      5589 2008-04-18 4712-12-31
      5667 2008-05-01 4712-12-31
      5828 2008-06-03 4712-12-31
      5867 2008-06-03 4712-12-31
      6167 2008-11-01 4712-12-31
      6207 2008-07-01 4712-12-31
      6228 2008-07-01 4712-12-31
      6267 2008-07-14 4712-12-31

12 rows selected.

작동 방식 :

  1. with 절은 각 행이 "시작 상태"와 "종료 상태"가 할당되는 데이터의 뷰 D를 생성하며, 각 행은 이전/다음 행과 연속적인지 여부를 표시하기 위해 '새'또는 '계속'입니다. 아니면 아니에요.
  2. 인라인보기 "시작"및 "ENDER"는 각각 "새로운"시작 상태 / 종료 상태가있는 행만이 꺼내고 행 번호를 결혼 할 수 있습니다.
  3. "기본 쿼리"는이 두 뷰에서 선택하고 행 번호 열에서 조인됩니다.

아래와 같이 PL/SQL 블록 샘플 로직을 작성해야합니다.

Create or Replace someproc
Declare
    Cursore someCur AS
    Select * from someTable
    Order by ID,StartDate

    IDVar as Varchar(10)
    MinDate as DATE
    MaxDate as DATE

Begin
    Open someCur
    Fetch ID,StartDate,EndDate into IDVar,MinDate,MaxDate
    While SomeCur%NOTFOUND
    LOOP
        Fetch ID,StartDate,EndDate into TempID,TempStartDate,TempEndDate
        if IDVar <> TempID then
            -- output into your required structure values: IDVar,MinDate,MaxDate
            IDVar = TempID
            MinDate = TempStartDate
            MaxDate = TempEndDate
            Exit Loop
        ELSE IF
            MaxDate+1 >= TempStartDate THEN
            MaxDate = TempEndDate
        END IF
    End LOOP

나는 테스트 할 인스턴스가 거의 없지만 시도해 보았습니다.

SELECT
 ID, 
 startDate,
 endDate
FROM
 myTable
WHERE
 (ID, startDate) in 
 (SELECT
   ID, 
   min(startDate) 
  FROM
   myTable
  GROUP BY
   ID
  )

  or 

 (ID, endDate) in 
 (SELECT
   ID, 
   max(endDate) 
  FROM
   myTable
  GROUP BY
   ID
  )

이것은 당신에게 가장 빠른 모든 것을 줄 것입니다 startDateS와 최신 endDate각 ID에 대해 s. 연속 여부.

WITH
  laik_test AS -- sample data
(select 1001 id, date'2012-01-03' start_date, date'2012-06-29' end_date from dual union
 select 1001 id, date'2012-03-03' start_date, date'2012-08-29' end_date from dual union
 select 1002 id, date'2012-06-03' start_date, date'2012-11-29' end_date from dual union
 select 1001 id, date'2012-09-03' start_date, date'2013-02-20' end_date from dual union
 select 1001 id, date'2013-02-08' start_date, date'2013-04-29' end_date from dual union
 select 1002 id, date'2012-11-03' start_date, date'2012-12-29' end_date from dual union
 select 1002 id, date'2012-12-23' start_date, date'2013-09-29' end_date from dual union
 select 1002 id, date'2013-08-03' start_date, date'2015-06-29' end_date from dual union
 select 1001 id, date'2013-04-13' start_date, date'2013-09-29' end_date from dual union
 select 1001 id, date'2013-07-03' start_date, date'2014-06-29' end_date from dual union
 select 1003 id, date'2012-12-23' start_date, date'2013-09-29' end_date from dual union
 select 1001 id, date'2013-07-03' start_date, date'2014-06-29' end_date from dual union
 select 1003 id, date'2012-12-23' start_date, date'2013-09-29' end_date from dual union
 select 1003 id, date'2013-09-30' start_date, date'2014-06-29' end_date from dual union
 select 1003 id, date'2013-12-30' start_date, date'2014-03-11' end_date from dual union
 select 1003 id, date'2014-06-29' start_date, date'2015-09-29' end_date from dual )
, matrica AS
(  select id, start_date, end_date
        , lead(start_date) over (partition by id order by start_date, end_date) start_date_next
        , lag(end_date) over (partition by id order by start_date, end_date) end_date_prev
  from laik_test m
 where not exists (select * 
                     from laik_test n
                    where m.id = n.id
                      and m.start_date > n.start_date and m.end_date < n.end_date))
, matrica2 AS
(select id, end_date
  from matrica m
 where start_date_next is null OR start_date_next > end_date + 1)
, matrica3 AS
(select id, start_date
  from matrica m
 where end_date_prev is null OR end_date_prev < start_date - 1)
, matrica4 AS
(select m2.id, m3.start_date, m2.end_date
  from matrica2 m2, matrica3 m3
 where m2.id=m3.id and m3.start_date < m2.end_date)
select id, start_date, end_date
  from matrica4 m
 where not exists (select * from matrica4 n
                    where m.id = n.id
                      and (   (n.start_date = m.start_date and m.end_date > n.end_date)
                           OR (n.end_date = m.end_date and m.start_date < n.start_date)
                          ));

결과는 다음과 같습니다.

ID   | start_date | end_date
1001 | 2012-01-03 | 2012-08-29
1001 | 2012-09-03 | 2014-06-29
1002 | 2012-06-03 | 2015-06-29
1003 | 2012-12-23 | 2015-09-29

나는 겹치는 범위를 위해 노력하고 있지만이 데이터에 대해 약간의 어려움을 겪고 있습니다.

     INSERT INTO zzz_scrap_dates (id,effdate,termdate)

SELECT id,effdate,termdate from (
SELECT '1'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '1'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2010-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '1'id ,To_Date('2005-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '1'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '1'id ,To_Date('1999-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
union
SELECT '2'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '2'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2010-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '2'id ,To_Date('2005-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '2'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '2'id ,To_Date('1999-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
union
SELECT '3'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '3'id ,To_Date('1998-01-01','YYYY-MM-DD')effdate,To_Date('1999-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '3'id ,To_Date('1005-01-01','YYYY-MM-DD')effdate,To_Date('1197-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '3'id ,To_Date('2000-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
UNION
SELECT '3'id ,To_Date('1197-01-01','YYYY-MM-DD')effdate,To_Date('2020-01-31','YYYY-MM-DD')termdate FROM dual
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