【问题标题】:Combine two SOQL queries合并两个 SOQL 查询
【发布时间】:2013-06-04 09:11:57
【问题描述】:

我是 SOQL 的初学者,希望你能帮助我。 我想结合这两个查询:

查询 1:

SELECT Id, Category__c, Segment__c
FROM Account
WHERE (Category__c = 'Prospect' AND Segment__c = 'High') OR (Category__c = 'Referrer' AND Segment__c = 'High')

查询 2:

SELECT Account_vod__c, WEEK_IN_YEAR(Call_Date_vod__c), CALENDAR_YEAR(Call_Date_vod__c)
FROM Call2_vod__c
WHERE Call_Date_vod__c = LAST_N_WEEKS:7
GROUP BY Account_vod__c, Call_Date_vod__c

Account 的 id 应该等于 Call2_vod__c 中的 Account_vod__c 值。

当我将这些结合起来时,我得到的结果是:

组合查询:

SELECT Id, Category__c, Segment__c
FROM Account
WHERE id in (select Account_vod__c from Call2_vod__c where Call_Date_vod__c = LAST_N_WEEKS:7) AND ((Category__c = 'Prospect' AND Segment__c = 'High') OR (Category__c = 'Referrer' AND Segment__c = 'High'))

但现在我缺少周和年值:

WEEK_IN_YEAR(Call_Date_vod__c), CALENDAR_YEAR(Call_Date_vod__c)

这部分: GROUP BY Account_vod__c,Call_Date_vod__c

如何组合这些查询并显示正确的星期和日历数据?

谢谢!

【问题讨论】:

标签: sql salesforce soql


【解决方案1】:

如果您的 Account_vod__c 是对 Account 对象的查找,您可以通过键入 Account_vod__r.Name 等(使用“r”而不是“c”并使用点)从 Account 获取字段。

那么试试这样的东西?

SELECT Account_vod__c, Account_vod__r.Category__c, Account_vod__r.Segment__c, WEEK_IN_YEAR(Call_Date_vod__c), CALENDAR_YEAR(Call_Date_vod__c)
FROM Call2_vod__c
WHERE Call_Date_vod__c = LAST_N_WEEKS:7
GROUP BY Account_vod__c, Account_vod__r.Category__c, Account_vod__r.Segment__c, WEEK_IN_YEAR(Call_Date_vod__c), CALENDAR_YEAR(Call_Date_vod__c)

一个类似的,应该适用于没有你的对象的每个人:

SELECT AccountId, Account.Name, COUNT(Id) countOfContactsCreatedThatWeek, WEEK_IN_YEAR(CreatedDate) week, CALENDAR_YEAR(CreatedDate) year
FROM Contact
GROUP BY AccountId, Account.Name, WEEK_IN_YEAR(CreatedDate), CALENDAR_YEAR(CreatedDate)

【讨论】:

    【解决方案2】:

    如果您可以使用两个查询,我会从它开始。在您拥有的组合版本中,无论如何,您在技术上都调用了两个查询。 where 子句中的内部查询算作针对您的调控器限制的第二次查询。

    如果您使用的是 Apex,请尝试:

    Map<Id, Account> aMap = new Map<Id, Account>([SELECT Id, Category__c, Segment__c
    FROM Account
    WHERE (Category__c = 'Prospect' AND Segment__c = 'High') OR (Category__c = 'Referrer' AND Segment__c = 'High')]);
    
    List<Call2_vod__c> callList = [SELECT Account_vod__c, WEEK_IN_YEAR(Call_Date_vod__c), CALENDAR_YEAR(Call_Date_vod__c)
    FROM Call2_vod__c
    WHERE Call_Date_vod__c = LAST_N_WEEKS:7 and Id in :aMap.keySet()
    GROUP BY Account_vod__c, Call_Date_vod__c];
    

    【讨论】:

    • 第二个将是AggregateResult,它有自己的一系列小问题。
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