SQL - Sum of multiple rows with considering to type










1















I have a table that looks something like the following:



+========================================================+
| Number | Date | Liter | Type |
+=========================================================+
| 1 | 2018-11-01 | 1.0 | A |
| 2 | 2018-11-01 | 2.0 | A |
| 3 | 2018-11-01 | 3.0 | B |
| 1 | 2018-11-02 | 4.0 | NULL |
| 2 | 2018-11-02 | 5.0 | B |
| 3 | 2018-11-02 | 6.0 | NULL |
| 1 | 2018-11-03 | 7.0 | B |
| 2 | 2018-11-03 | 8.0 | B |
| 3 | 2018-11-03 | 9.0 | NULL |
+---------------------------------------------------------+


And i need something this, with WHERE Date LIKE '2018-11-%'



+========================================================+
| Number | SumOfTypeA | SumOfTypeB | SumOfTypeNULL |
+=========================================================+
| 1 | 1.0 | 7.0 | 4.0 |
| 2 | 2.0 | 13.0 | NULL |
| 3 | NULL | 3.0 | 15.0 |
+---------------------------------------------------------+


Any ideas for do this query?










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  • Consider handling issues of data display in application code

    – Strawberry
    Nov 13 '18 at 14:13















1















I have a table that looks something like the following:



+========================================================+
| Number | Date | Liter | Type |
+=========================================================+
| 1 | 2018-11-01 | 1.0 | A |
| 2 | 2018-11-01 | 2.0 | A |
| 3 | 2018-11-01 | 3.0 | B |
| 1 | 2018-11-02 | 4.0 | NULL |
| 2 | 2018-11-02 | 5.0 | B |
| 3 | 2018-11-02 | 6.0 | NULL |
| 1 | 2018-11-03 | 7.0 | B |
| 2 | 2018-11-03 | 8.0 | B |
| 3 | 2018-11-03 | 9.0 | NULL |
+---------------------------------------------------------+


And i need something this, with WHERE Date LIKE '2018-11-%'



+========================================================+
| Number | SumOfTypeA | SumOfTypeB | SumOfTypeNULL |
+=========================================================+
| 1 | 1.0 | 7.0 | 4.0 |
| 2 | 2.0 | 13.0 | NULL |
| 3 | NULL | 3.0 | 15.0 |
+---------------------------------------------------------+


Any ideas for do this query?










share|improve this question
























  • Consider handling issues of data display in application code

    – Strawberry
    Nov 13 '18 at 14:13













1












1








1


0






I have a table that looks something like the following:



+========================================================+
| Number | Date | Liter | Type |
+=========================================================+
| 1 | 2018-11-01 | 1.0 | A |
| 2 | 2018-11-01 | 2.0 | A |
| 3 | 2018-11-01 | 3.0 | B |
| 1 | 2018-11-02 | 4.0 | NULL |
| 2 | 2018-11-02 | 5.0 | B |
| 3 | 2018-11-02 | 6.0 | NULL |
| 1 | 2018-11-03 | 7.0 | B |
| 2 | 2018-11-03 | 8.0 | B |
| 3 | 2018-11-03 | 9.0 | NULL |
+---------------------------------------------------------+


And i need something this, with WHERE Date LIKE '2018-11-%'



+========================================================+
| Number | SumOfTypeA | SumOfTypeB | SumOfTypeNULL |
+=========================================================+
| 1 | 1.0 | 7.0 | 4.0 |
| 2 | 2.0 | 13.0 | NULL |
| 3 | NULL | 3.0 | 15.0 |
+---------------------------------------------------------+


Any ideas for do this query?










share|improve this question
















I have a table that looks something like the following:



+========================================================+
| Number | Date | Liter | Type |
+=========================================================+
| 1 | 2018-11-01 | 1.0 | A |
| 2 | 2018-11-01 | 2.0 | A |
| 3 | 2018-11-01 | 3.0 | B |
| 1 | 2018-11-02 | 4.0 | NULL |
| 2 | 2018-11-02 | 5.0 | B |
| 3 | 2018-11-02 | 6.0 | NULL |
| 1 | 2018-11-03 | 7.0 | B |
| 2 | 2018-11-03 | 8.0 | B |
| 3 | 2018-11-03 | 9.0 | NULL |
+---------------------------------------------------------+


And i need something this, with WHERE Date LIKE '2018-11-%'



+========================================================+
| Number | SumOfTypeA | SumOfTypeB | SumOfTypeNULL |
+=========================================================+
| 1 | 1.0 | 7.0 | 4.0 |
| 2 | 2.0 | 13.0 | NULL |
| 3 | NULL | 3.0 | 15.0 |
+---------------------------------------------------------+


Any ideas for do this query?







mysql sql






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edited Nov 13 '18 at 14:12









Strawberry

25.9k83149




25.9k83149










asked Nov 13 '18 at 14:10









impossibleimpossible

103




103












  • Consider handling issues of data display in application code

    – Strawberry
    Nov 13 '18 at 14:13

















  • Consider handling issues of data display in application code

    – Strawberry
    Nov 13 '18 at 14:13
















Consider handling issues of data display in application code

– Strawberry
Nov 13 '18 at 14:13





Consider handling issues of data display in application code

– Strawberry
Nov 13 '18 at 14:13












1 Answer
1






active

oldest

votes


















0














You can do conditional aggregation using SUM() and CASE..WHEN expressions:



SELECT
Number,
SUM(CASE WHEN Type = 'A' THEN Liter END) AS SumOfTypeA,
SUM(CASE WHEN Type = 'B' THEN Liter END) AS SumOfTypeB,
SUM(CASE WHEN Type IS NULL THEN Liter END) AS SumOfTypeNull
FROM your_table
WHERE Date LIKE '2018-11-%'
GROUP BY Number





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    1 Answer
    1






    active

    oldest

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    active

    oldest

    votes






    active

    oldest

    votes









    0














    You can do conditional aggregation using SUM() and CASE..WHEN expressions:



    SELECT
    Number,
    SUM(CASE WHEN Type = 'A' THEN Liter END) AS SumOfTypeA,
    SUM(CASE WHEN Type = 'B' THEN Liter END) AS SumOfTypeB,
    SUM(CASE WHEN Type IS NULL THEN Liter END) AS SumOfTypeNull
    FROM your_table
    WHERE Date LIKE '2018-11-%'
    GROUP BY Number





    share|improve this answer



























      0














      You can do conditional aggregation using SUM() and CASE..WHEN expressions:



      SELECT
      Number,
      SUM(CASE WHEN Type = 'A' THEN Liter END) AS SumOfTypeA,
      SUM(CASE WHEN Type = 'B' THEN Liter END) AS SumOfTypeB,
      SUM(CASE WHEN Type IS NULL THEN Liter END) AS SumOfTypeNull
      FROM your_table
      WHERE Date LIKE '2018-11-%'
      GROUP BY Number





      share|improve this answer

























        0












        0








        0







        You can do conditional aggregation using SUM() and CASE..WHEN expressions:



        SELECT
        Number,
        SUM(CASE WHEN Type = 'A' THEN Liter END) AS SumOfTypeA,
        SUM(CASE WHEN Type = 'B' THEN Liter END) AS SumOfTypeB,
        SUM(CASE WHEN Type IS NULL THEN Liter END) AS SumOfTypeNull
        FROM your_table
        WHERE Date LIKE '2018-11-%'
        GROUP BY Number





        share|improve this answer













        You can do conditional aggregation using SUM() and CASE..WHEN expressions:



        SELECT
        Number,
        SUM(CASE WHEN Type = 'A' THEN Liter END) AS SumOfTypeA,
        SUM(CASE WHEN Type = 'B' THEN Liter END) AS SumOfTypeB,
        SUM(CASE WHEN Type IS NULL THEN Liter END) AS SumOfTypeNull
        FROM your_table
        WHERE Date LIKE '2018-11-%'
        GROUP BY Number






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 13 '18 at 14:12









        Madhur BhaiyaMadhur Bhaiya

        19.6k62236




        19.6k62236



























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