method
merge_joins
v2.3.8 -
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Class: ActiveRecord::Base
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merge_joins(*joins)
private
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# File activerecord/lib/active_record/base.rb, line 1732 def merge_joins(*joins) if joins.any?{|j| j.is_a?(String) || array_of_strings?(j) } joins = joins.collect do |join| join = [join] if join.is_a?(String) unless array_of_strings?(join) join_dependency = ActiveRecord::Associations::ClassMethods::InnerJoinDependency.new(self, join, nil) join = join_dependency.join_associations.collect { |assoc| assoc.association_join } end join end joins.flatten.map{|j| j.strip}.uniq else joins.collect{|j| safe_to_array(j)}.flatten.uniq end end