外部引用错误，当分组月和年

得到以下错误：外部引用错误，当分组月和年

Each GROUP BY expression must contain at least one column that is not an outer reference

我想有calculatedDrugDistributionHistory通过facilty，月，年的分组列表。我只想盘点哪些月份已导入系统的设施。

我有这个疑问：

select 
    f.name, 
    MONTH(cddh.dateGiven) as 'date_month', 
    YEAR(cddh.dateGiven) as 'date_year' 
from 
    calculatedDrugDistributionHistory cddh 
     inner join facilityIndividuals fi on fi.facilityIndividualId = cddh.facilityIndividualId 
     inner join facilities f on fi.facilityId = f.facilityId 
group by 
    f.name, 
    'date_month', 
    'date_year' 
order by 
    f.name, 
    'date_month', 
    'date_year'

来源

2013-07-25 etm124

你正在得到的错误是因为'date_month'和'date_year'一旦这个分组被执行后，就会进入画面。 –

您不能在组使用别名by子句。试试这种方式：

select 
    f.name, 
    MONTH(cddh.dateGiven) as date_month, 
    YEAR(cddh.dateGiven) as date_year 
from calculatedDrugDistributionHistory cddh 
inner join facilityIndividuals fi on fi.facilityIndividualId = cddh.facilityIndividualId 
inner join facilities f on fi.facilityId = f.facilityId 
group by 
    f.name, 
    MONTH(cddh.dateGiven), 
    YEAR(cddh.dateGiven) 
order by 
    f.name, 
    date_month, 
    date_year

来源

2013-07-25 13:24:15 Parado

感谢resposne Parado - 你的回答是有道理的，但我得到的错误是'dateGiven'在选择列表中无效，因为它不包含在聚合函数或GROUP BY中 – etm124

两个问题。首先，您将单引号用于列别名。使用双引号或方括号。其次，你需要包括select子句中的所有列，而不聚集功能应该是在group by：

select f.name, MONTH(cddh.dateGiven) as date_month, YEAR(cddh.dateGiven) as date_year' 
from calculatedDrugDistributionHistory cddh 
     inner join facilityIndividuals fi on fi.facilityIndividualId = cddh.facilityIndividualId 
     inner join facilities f on fi.facilityId = f.facilityId 
group by f.name, MONTH(cddh.dateGiven), YEAR(cddh.dateGiven) 
order by f.name, date_month, date_year;

您可以使用列别名在order by，而不是group by。

来源

2013-07-25 13:26:35

在GROUP BY不能使用别名，如果你能，你不应该将它们与单引号写：

select 
    f.name, 
    MONTH(cddh.dateGiven) as date_month, 
    YEAR(cddh.dateGiven) as date_year 
from 
    calculatedDrugDistributionHistory cddh 
     inner join facilityIndividuals fi on fi.facilityIndividualId = cddh.facilityIndividualId 
     inner join facilities f on fi.facilityId = f.facilityId 
group by 
    f.name, 
    MONTH(cddh.dateGiven), 
    YEAR(cddh.dateGiven) 
order by 
    f.name, 
    date_month, 
    date_year

来源

2013-07-25 13:27:46

SELECT 
name, 
date_month, 
date_year 

FROM 

(select F.NAME,MONTH(cddh.dateGiven) as date_month, 
    YEAR(cddh.dateGiven) as date_year 

from 
    calculatedDrugDistributionHistory cddh 
     inner join facilityIndividuals fi on fi.facilityIndividualId = cddh.facilityIndividualId 
     inner join facilities f on fi.facilityId = f.facilityId)TEMP 
group by 
    name, 
    date_month, 
    date_year 
order by 
    name, 
    date_month, 
    date_year

请使用此更新

问候

Ashutosh Arya

来源

2013-07-25 13:30:07

外部引用错误，当分组月和年

回答

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