如何使用从使用 databasedotcom gem 的查询中收到的 AggregateResult?
quer = "SELECT SUM(MRR__c) FROM Account WHERE Type = 'Customer' AND Go_Live_Date__c > 2012-01-01 GROUP BY Producer__c"
ff = client.query quer
[#<SalesforceCont::AggregateResult:0x00000102e707b8 @Id=nil>, #
<SalesforceCont::AggregateResult:0x00000102e70380 @Id=nil>, #
<SalesforceCont::AggregateResult:0x00000102e6ff48 @Id=nil>, #
<SalesforceCont::AggregateResult:0x00000102e6fb10 @Id=nil>]
我不知道如何使用它们。文档中提到的“get”或类似的东西不存在。