我试图让间接和直接小时都显示在一行上，我知道由于分组依据语句而出现了多行。 但是，我尝试删除分组并收到错误，指出删除时l.CHG_TYPE未包含在聚合中。
<html><table><body><tr><th>ID</th><th>Billing Period</th><th>Shop</th><th>Shift Code</th><th>Employee #</th><th>Indirect Hours</th><th>Direct Hours</th></tr><tr class="odd"><td>202001404223396</td><td>202001</td><td>Sanitation</td><td>1st</td><td>23396</td><td> </td><td>12.73</td></tr>
<tr><td>202001404223396</td><td>202001</td><td>Sanitation</td><td>1st</td><td>23396</td><td>6.41</td><td> </td></tr>
<tr class="odd"><td>202001205225499</td><td>202001</td><td>Car Shop</td><td>1st</td><td>25499</td><td> </td><td>12.4</td></tr>
<tr><td>202001205225499</td><td>202001</td><td>Car Shop</td><td>1st</td><td>25499</td><td>6.82</td><td> </td></tr>
</table></body></html>SELECT
CONCAT(l.FISC_PD, l.LOCATION, l.SHIFT_CODE, e.EmpNo) 'ID',
l.FISC_PD 'Billing Period',
CASE
WHEN l.LOCATION = '202' THEN 'Specialty Equipment'
WHEN l.LOCATION = '205' THEN 'Car Shop'
WHEN l.LOCATION = '206' THEN 'Truck Shop'
WHEN l.LOCATION = '404' THEN 'Sanitation'
WHEN l.LOCATION = '212' THEN 'Tire Shop'
ELSE l.LOCATION
END as 'Shop',
CASE
WHEN l.SHIFT_CODE in ('2','6') THEN '1st'
WHEN l.SHIFT_CODE in ('3','4','5') THEN '2nd'
ELSE NULL
END as 'Shift Code',
e.EmpNo 'Employee #',
CASE
WHEN l.CHG_TYPE = 'I' THEN ROUND((SUM(l.DURATION)/36000000),2)
ELSE NULL
END as 'Indirect Hours',
CASE
WHEN l.CHG_TYPE = 'D' THEN ROUND((SUM(l.DURATION)/36000000),2)
ELSE NULL
END as 'Direct Hours'
FROM m5prod.mfive.VIEW_EMP_LABOR_JNL l
LEFT JOIN m5prod.mfive.VIEW_ALL_EMPLOYEES e on e.EmpID = l.EMP_ID
WHERE
l.location not in ('218', '201')
and l.FISC_PD in ('202001', '202002', '202003')
GROUP BY
l.FISC_PD,
e.EmpNo,
l.LOCATION,
l.SHIFT_CODE,
l.CHG_TYPE
您可以按如下方式使用条件聚合：
- 从
GROUP BY子句中删除CHG_TYPE - 在
SUM()内移动CASE表达式
SELECT
CONCAT(l.FISC_PD, l.LOCATION, l.SHIFT_CODE, e.EmpNo) 'ID',
l.FISC_PD 'Billing Period',
CASE
WHEN l.LOCATION = '202' THEN 'Specialty Equipment'
WHEN l.LOCATION = '205' THEN 'Car Shop'
WHEN l.LOCATION = '206' THEN 'Truck Shop'
WHEN l.LOCATION = '404' THEN 'Sanitation'
WHEN l.LOCATION = '212' THEN 'Tire Shop'
ELSE l.LOCATION
END as 'Shop',
CASE
WHEN l.SHIFT_CODE in ('2','6') THEN '1st'
WHEN l.SHIFT_CODE in ('3','4','5') THEN '2nd'
ELSE NULL
END as 'Shift Code',
e.EmpNo 'Employee #',
ROUND(SUM(CASE WHEN l.CHG_TYPE = 'I' THEN l.DURATION END)/36000000),2) as 'Indirect Hours',
ROUND(SUM(CASE WHEN l.CHG_TYPE = 'D' THEN l.DURATION END)/36000000),2) as 'Direct Hours'
FROM m5prod.mfive.VIEW_EMP_LABOR_JNL l
LEFT JOIN m5prod.mfive.VIEW_ALL_EMPLOYEES e on e.EmpID = l.EMP_ID
WHERE
l.location not in ('218', '201')
and l.FISC_PD in ('202001', '202002', '202003')
GROUP BY
l.FISC_PD,
e.EmpNo,
l.LOCATION,
l.SHIFT_CODE
旁注：对列别名使用单引号不是一个好的做法。在标准 SQL 中，单引号是为字符串 illoid 保留的。我建议为您的数据库使用相关的引号字符(MySQL：反引号 - SQL Server：方括号 - Postgres和Oracle：双引号(。更好的是，您可以使用不包含特殊字符的列别名，因此不需要用引号括起来。