SQL-Pivot und berechnete Spalte

Question

Ich versuche, zusammen, um eine Abfrage zu setzen, die mir Monat für Monat Einnahmen von Kunden sowie eine SUM (Revenue) aller Monate in der letzten Spalte zeigt. Bisher habe ich diese Abfrage unten. Das ist so nah, wie ich bekommen konnte, was ich suche:

SELECT cust_num as Customer, CONVERT(CHAR(4), date, 100) + CONVERT(CHAR(4), date, 120) AS 'Month', 
     SUM(q1.amount) AS Revenue 
FROM 
    (SELECT cust_num, inv_date AS date, 
      SUM(amount) AS amount 
    FROM artran_mst 
    WHERE (type = 'i') and cust_num = 'HON0994' and (inv_date BETWEEN '1/1/2017' AND '2/23/2017') 
    GROUP BY cust_num, inv_date 

    UNION ALL 

    SELECT cust_num, inv_date AS date, 
     SUM(amount*-1) AS amount 
    FROM artran_mst 
    WHERE (TYPE = 'c') and cust_num = 'HON0994' AND (inv_date BETWEEN '1/1/2017' AND '2/23/2017') 
    GROUP BY cust_num, inv_date 

    UNION ALL 
    SELECT cust_num, inv_date AS date, 
        SUM(amount) AS amount 
    FROM artran_mst 
    WHERE (TYPE = 'd') and cust_num = 'HON0994' 
    AND (inv_date BETWEEN '1/1/2017' AND '2/23/2017') 
    GROUP BY cust_num, inv_date) q1 
GROUP BY cust_num, MONTH(date), 
     CONVERT(CHAR(4), Date, 100) + CONVERT(CHAR(4), Date, 120) 
ORDER BY RIGHT(CONVERT(CHAR(4), date, 100) + CONVERT(CHAR(4), date, 120),4), 
     MONTH(date) 

Es gibt die folgende:

+----------+----------+---------+ 
| Customer | Month | Revenue | 
+----------+----------+---------+ 
| HON0994 | Jan 2017 | 1170662 | 
| HON0994 | Feb 2017 | 787066 | 
+----------+----------+---------+ 

Ich muss irgendwie eine Pivot hinzufügen und eine berechnete Spalte, die Monate zu zeigen, wie Spalten mit der letzten Spalte sind "total". Siehe:

+----------+----------+----------+---------+ 
| Customer | Jan 2017 | Feb 2017 | Total | 
+----------+----------+----------+---------+ 
| HON0994 | 1170662 | 787066 | 1957728 | 
+----------+----------+----------+---------+ 

Answer 1

Ich glaube, Sie nur bedingte Aggregation wollen:

SELECT cust_num, 
     (CASE WHEN inv_date >= '2017-01-01' and inv_date < '2017-02-01' 
      THEN (case when type = 'c' then - amount else amount end) 
     END) as jan_2017, 
     (CASE WHEN inv_date >= '2017-02-01' and inv_date < '2017-03-01' 
      THEN (case when type = 'c' then - amount else amount end) 
     END) as feb_2017, 
     SUM(case when type = 'c' then - amount else amount end) as total 
FROM artran_mst 
WHERE (type = 'i') and cust_num = 'HON0994' and 
     (inv_date >= '2017-01-01' and inv_date < '2017-03-01') 
GROUP BY cust_num;