從指定日期和多個條件之前的日期中選擇記錄

Question

在下表中顯示了特定R_ID和F_ID的跟蹤。 Col_C = '10'表示循環中的最後一項。 ENTRY ='1'表示新條目，ENTRY ='2'表示在同一日期修改現有條目。 ENTRY =「2」意味着它是最新的條目

F_ID R_ID DATE ENTRY Col_A Col_B Col_C Score_1 Score_2 Score_3 
85  158 20161005 1  99  99  01  0   0  0 
85  158 20161010 1  01  99  99  3   2  2 
85  158 20161010 2  01  99  99  3   2  2 
85  158 20161012 1  01  01  99  3   2  2 
85  158 20161012 2  01  01  99  3   2  2 
85  158 20161019 1  99  02  99  3   2  2 
85  158 20161022 1  99  99  10  3   2  2 
85  158 20161022 2  99  99  10  3   1  2 

，我需要選擇這樣，我得到記錄

 
1. The most recent final entry i.e Col_C = '10' 
and if Col_C = '10' and ENTRY = '1' or '2' for the same DATE 
then select the one with ENTRY = '2' 

and 

2. records with Col_A or Col_B = '01' and Col_C != '10' 
where the date just precedes(before) the DATE of final entry. 
Also if Col_A or Col_B = '01'and if ENTRY = '1' or '2' for the same DATE 
then select the one with ENTRY = '2' 

對於結果我正在尋找類似

 

F_ID R_ID DATE ENTRY Col_A Col_B Col_C Score_1 Score_2 Score_3 
85  158 20161012 2  01  01  99  3   2  2 
85  158 20161022 2  99  99  10  3   1  2 

我試過以下

select * from tbl T where Col_C = '10' and T.date=(select min (T2.date) from tbl T2 where T2.Col_C = '10' and T2.R_ID = T.R_ID 
      and T2.F_ID = T.F_ID) 


union 


select * from 
(
select * 
from tbl k 
where (k.Col_A = '01' or k.Col_B = '01') 
    and k.Col_A <> k.Col_B 
    and k.Col_C <> '10' 
    k.date = 
     (select min (k2.date) from tbl k2 
      where (k2.Col_A='01' or k2.Col_B='01') and 
      k2.Col_A <> k2.Col_B and 
      k2.Col_C <> '10' and 
      k2.R_ID = k.R_ID 
      and k2.F_ID = k.F_ID 
     ) 


union 

select * 
    from tbl S 
    where S.Col_A = '01' and S.Col_B = '01' and S.Col_C <> '10' 
    and S.date = 
     (select min (S2.date) from tbl S2 
      where S2.Col_A='01' and S2.Col_B='01' and S2.Col_C <> '10' and 
      S2.R_ID = S.R_ID 
      and S2.F_ID = S.F_ID 
     ) 
) 

我無法針對最近的最後一個條目（最近的日期爲Col_C ='10'）和之前的條目（Col_A或Col_B ='01'爲最後輸入前的日期）的邏輯

我需要每個F_ID，R_ID有2個記錄。最後一項和最後一項

謝謝。

Answer 1

你可以試試下面的查詢 -

SELECT F_ID, R_ID, DATE, MAX(ENTRY), Col_A, Col_B, Col_C, Score_1, Score_2, Score_3 
FROM YOUR_TABLE 
WHERE Col_C = '10' 
GROUP BY DATE 
UNION ALL 
SELECT F_ID, R_ID, DATE, MAX(ENTRY), Col_A, Col_B, Col_C, Score_1, Score_2, Score_3 
FROM YOUR_TABLE 
WHERE (Col_A = '01' OR Col_B = '01') 
AND Col_C <> 10 
GROUP BY DATE 
HAVING DATE < MAX(DATE) 

雖然我還沒試過此查詢，但我認爲這可以幫助你。