sql—在保留每日粒度的同时比较每月数据

busg9geu 于 2021-06-25 发布在 Hive

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我有下面的数据，其中包含一组ID的每月目标。目标是每个id，2020年的每个月。名为 targets . 这个 month 列表示一年中的月份。

+-------+-------+----+--------+
| month | name  | id | target |
+-------+-------+----+--------+
| 1     | Comp1 | 1  | 6000   |
+-------+-------+----+--------+
| 2     | Comp1 | 1  | 6000   |
+-------+-------+----+--------+
| 3     | Comp1 | 1  | 6000   |
+-------+-------+----+--------+
| 1     | Comp2 | 2  | 6000   |
+-------+-------+----+--------+
| 2     | Comp2 | 2  | 6000   |
+-------+-------+----+--------+
| 3     | Comp2 | 2  | 6000   |
+-------+-------+----+--------+
| 1     | Comp3 | 3  | 6000   |
+-------+-------+----+--------+
| 2     | Comp3 | 3  | 6000   |
+-------+-------+----+--------+
| 3     | Comp3 | 3  | 6000   |
+-------+-------+----+--------+
| 1     | Comp4 | 4  | 6000   |
+-------+-------+----+--------+
| 2     | Comp4 | 4  | 6000   |
+-------+-------+----+--------+
| 3     | Comp4 | 4  | 6000   |
+-------+-------+----+--------+

然后我有第二个表，它包含一组id的每日数据，并且每天更新。在我的实际数据集中，我得到了2019-01-01到今天的数据。

+------------+-------+----+--------+--------+
| yyyy_mm_dd | name  | id | actual | region |
+------------+-------+----+--------+--------+
| 2019-01-01 | Comp1 | 1  | 1000   | LATAM  |
+------------+-------+----+--------+--------+
| 2019-01-01 | Comp1 | 1  |   0    |  EU    |
+-------------------------------------------+
| 2019-01-02 | Comp1 | 1  | 2000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-03 | Comp1 | 1  | 4000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-01 | Comp2 | 2  | 1000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-02 | Comp2 | 2  | 2000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-03 | Comp2 | 2  | 3000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-01 | Comp3 | 3  | 1000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-02 | Comp3 | 3  | 2000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-03 | Comp3 | 3  | 8000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-01 | Comp4 | 4  | 1000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-01-02 | Comp4 | 4  | 2000   |  EU    |
+------------+-------+----+--------+--------+
| 2019-02-03 | Comp4 | 4  | 3000   |  EU    |
+------------+-------+----+--------+--------+

基于以上两个表，我想创建第三个表，其中包含一些附加逻辑。最后，我想引入一个新的专栏，名为 payment . 除非公司已通过月度目标，否则此列应始终为0。如果月度目标达成/通过，则应支付 sum actual for that month - monthly target for that month * 1% .
以下是输出数据的外观：

+------------+-------+----+--------+--------+
| yyyy_mm_dd | name  | id | actual | payout |
+------------+-------+----+--------+--------+
| 2020-01-01 | Comp1 | 1  | 1000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-02 | Comp1 | 1  | 2000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-03 | Comp1 | 1  | 4000   | 10     |
+------------+-------+----+--------+--------+
| 2020-01-01 | Comp2 | 2  | 1000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-02 | Comp2 | 2  | 2000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-03 | Comp2 | 2  | 3000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-01 | Comp3 | 3  | 1000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-02 | Comp3 | 3  | 2000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-03 | Comp3 | 3  | 8000   | 50     |
+------------+-------+----+--------+--------+
| 2020-01-01 | Comp4 | 4  | 1000   | 0      |
+------------+-------+----+--------+--------+
| 2020-01-02 | Comp4 | 4  | 2000   | 0      |
+------------+-------+----+--------+--------+
| 2020-02-03 | Comp4 | 4  | 3000   | 0      |
+------------+-------+----+--------+--------+

上述数据集中的所有名称/ID都有一个月的 target 6000英镑。所以应该只有一个 payout 当一个名称/标识在当月通过该目标时。comp1和comp3都在一月的第三天通过了月度目标，所以他们从那天起直到月底都会得到一笔付款。然后在2月份重置，因为这是一个有新目标的新月份，随着月份的进展，我们将获得新的每日数据。
我试过的：

SELECT
    agg.yyyy_mm_dd,
    agg.name,
    agg.id,
    CASE WHEN agg.actual >= targets.target THEN ((agg.actual-targets.target)/100) * 1 ELSE 0 END AS payout
FROM(
    SELECT
        sum(x.actual) AS actual,
        x.yyyy_mm_dd,
        x.name,
        x.id
    FROM(
        SELECT
            yyyy_mm_dd,
            name,
            id,
            cast(actual as int) as actual
        FROM
            schema.daily_data
        WHERE
            yyyy_mm_dd >= '2020-01-01' AND (name = 'Comp1' OR name = 'Comp2')
    ) x
    GROUP BY
        2,3,4
) agg
INNER JOIN(
    SELECT
      id,
      month,
      target
    FROM
        schema.targets
) targets ON targets.id = agg.id
GROUP BY
    1,2,3,4

但是，上面的每行输出多个行 name . 这是由于daily表每天多次使用同一个公司（预期）。我以为我的小组会处理好的。另外，我不认为这是最简单的解决方案，我可能想得太多了/可以做得更有效。

sql Hive window-functions hiveql hql

来源：https://stackoverflow.com/questions/60047787/compare-monthly-data-while-retaining-daily-granularity

4条答案

按热度按时间

6tqwzwtp1#

看起来你想比较 actua 每个公司和每月 target . 您可以使用连接和窗口函数来完成此操作：

select 
    d.yyyy_mm_dd, 
    case when sum(d.actual) over(partition by d.name, t.month order by d.yyyy_mm_dd) > t.target
        then (sum(d.actual) over(partition by d.name, t.month order by d.yyyy_mm_dd) - t.target) / 100.0
        else 0
    end payout
from schema.targets t
inner join schema.daily_data d
    on  month(d.yyyy_mm_dd) = t.month
    and d.name = t.name
where
    d.yyyy_mm_dd >= '2020-01-01' 
    and d.name in ('Comp1', 'Comp2')

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q8l4jmvw2#

运行（部分）实际值和的请求很容易通过窗口函数解决。不幸的是，我不使用Hive，所以这里是我的postgres工作解决方案

with t (month, name, id, target) as (values
  (1 , 'Comp1', 1 , 6000 ),
  (2 , 'Comp1', 1 , 6000 ),
  (3 , 'Comp1', 1 , 6000 ),
  (1 , 'Comp2', 2 , 6000 ),
  (2 , 'Comp2', 2 , 6000 ),
  (3 , 'Comp2', 2 , 6000 ),
  (1 , 'Comp3', 3 , 6000 ),
  (2 , 'Comp3', 3 , 6000 ),
  (3 , 'Comp3', 3 , 6000 ),
  (1 , 'Comp4', 4 , 6000 ),
  (2 , 'Comp4', 4 , 6000 ),
  (3 , 'Comp4', 4 , 6000 )
), d (yyyy_mm_dd, name, id, actual, region) as (values
 ( date '2019-01-01' , 'Comp1' , 1  , 1000 , 'LATAM' ),
 ( date '2019-01-01' , 'Comp1' , 1  ,    0 , 'EU' ),
 ( date '2019-01-02' , 'Comp1' , 1  , 2000 , 'EU' ),
 ( date '2019-01-03' , 'Comp1' , 1  , 4000 , 'EU' ),
 ( date '2019-01-01' , 'Comp2' , 2  , 1000 , 'EU' ),
 ( date '2019-01-02' , 'Comp2' , 2  , 2000 , 'EU' ),
 ( date '2019-01-03' , 'Comp2' , 2  , 3000 , 'EU' ),
 ( date '2019-01-01' , 'Comp3' , 3  , 1000 , 'EU' ),
 ( date '2019-01-02' , 'Comp3' , 3  , 2000 , 'EU' ),
 ( date '2019-01-03' , 'Comp3' , 3  , 8000 , 'EU' ),
 ( date '2019-01-01' , 'Comp4' , 4  , 1000 , 'EU' ),
 ( date '2019-01-02' , 'Comp4' , 4  , 2000 , 'EU' ),
 ( date '2019-02-03' , 'Comp4' , 4  , 3000 , 'EU' )
)
select dr.yyyy_mm_dd, dr.name, dr.id, dr.actual,
       case when dr.running_sum < t.target then 0 else (dr.running_sum - t.target) / 100 end as payment
from t
join (
  select dg.*, sum(actual) over (partition by name order by yyyy_mm_dd) as running_sum
  from (
     select yyyy_mm_dd, name, id, sum(actual) as actual
     from d
     group by yyyy_mm_dd, name, id
  ) dg
) dr on dr.name = t.name
     and month(dr.yyyy_mm_dd) = t.month -- edited to hive equivalent of postgres' extract(month from dr.yyyy_mm_dd) = t.month

从日期提取月份可能会有不同的方式，但我希望你能得到这个想法。

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nle07wnf3#

另一种选择是使用窗口 SUM 函数创建一个运行总数，然后在 CASE 语句来获取列值。

SELECT d.yyyy_mm_dd
    ,d.name
    ,d.id
    ,d.actual
    ,CASE 
        WHEN 
      SUM(d.actual) 
        OVER (PARTITION BY d.id ORDER BY d.yyyy_mm_dd ROWS UNBOUNDED PRECEDING) <= t.target
            THEN 0
        ELSE 
      (
        SUM(d.actual) 
          OVER (PARTITION BY d.id ORDER BY d.yyyy_mm_dd ROWS UNBOUNDED PRECEDING) - t.target
            ) * 0.01
        END AS payout
FROM dailies AS d
JOIN targets AS t 
    ON d.month = MONTH(d.yyyy_mm_dd)
    AND d.id = d.id;

我不是百分之百确定Hive的语法，但这是相当接近。具体来说 ROWS UNBOUNDED PRECEDING 可能还不够。你可能需要一个 FOLLOWING 在那里得到正确的总数。

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sxissh064#

我想我现在有了一个有效的解决办法。下面给出了预期的输出。它可能会被优化一点，因为它不是最快的。

SELECT
    x.yyyy_mm_dd,
    x.id,
    x.name,
    x.actual,
    x.target,
    x.actual_to_date,
    CASE WHEN x.actual_to_date > x.target THEN ((x.actual_to_date - x.target) /100) * 1 ELSE 0 END AS payout
FROM(
    SELECT
        daily.yyyy_mm_dd,
        daily.id,
        daily.name,
        daily.actual,
        t.target,
        SUM(daily.actual) OVER (PARTITION BY MONTH(daily.yyyy_mm_dd), daily.id ORDER BY daily.yyyy_mm_dd RANGE UNBOUNDED PRECEDING) AS actual_to_date
    FROM(
        SELECT
            yyyy_mm_dd,
            id,
            name,
            sum(cast(actual as int)) as actual
        FROM
            daily_data_table
        WHERE
            yyyy_mm_dd >= '2020-01-01'
        GROUP BY
            1,2,3
    ) daily
    INNER JOIN
        monthly_target_table t
        ON t.id = daily.id AND t.month = month(daily.yyyy_mm_dd)
    WHERE
        daily.name = 'Comp1'
) x

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sql—在保留每日粒度的同时比较每月数据

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