我的程序模型有这个:
has_many :registry_patient_counts
scope :salary_and_bonus,
:joins => :registry_patient_counts,
:order => "patient_count_percentage DESC"
当我开始使用简单的婴儿步骤时效果很好控制器是这样的:
programs =
Program.includes([:registry_patient_counts])
.salary_and_bonus.where('organization_id = 1')
.limit(2)
但是我的最终控制器应该看起来像这样(没有作用域的样子)
@programs = Program.includes(
[:registry_patient_counts, measures: :measures_off_targets])
.where('organization_id = 1')
.limit(2)
注意它有一个额外的measures: :measures_off_targets
。因此,类似地,在measures和measures_off_targets之间,我想定义一个与前一个类似的作用域....但我不明白如何在控制器中键入这两个范围?
编辑:这就是我们目前得到的答案:
在Program.rb:scope :rpc, includes(:registry_patient_counts).order => "patient_count_percentage DESC"
scope :msr, includes(measures: :measures_off_targets)
控制器查询是这样的:
@programs2 = Program.rpc.msr.where('organization_id: 1').limit(2)
RubyMine在IDE中显示的错误是"cannot find msr"如果我忽略它并转到浏览器,仍然在Rail控制台中,我得到一个"错误500,错误的请求",没有任何返回。
可以链接作用域和include。
scope :rpc, includes(:registry_patient_counts)
scope :msr, includes(measures: :measures_off_targets)
@programs = Program.rpc.msr.where(organization_id: 1).limit(2)
# Equivalent to
@programs = Program.includes(
[:registry_patient_counts, measures: :measures_off_targets])
.where(organization_id: 1)
.limit(2)