method
build_joins
v4.2.9 -
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Class: ActiveRecord::QueryMethods
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build_joins(manager, joins)
private
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# File activerecord/lib/active_record/relation/query_methods.rb, line 1016 def build_joins(manager, joins) buckets = joins.group_by do |join| case join when String :string_join when Hash, Symbol, Array :association_join when ActiveRecord::Associations::JoinDependency :stashed_join when Arel::Nodes::Join :join_node else raise 'unknown class: %s' % join.class.name end end association_joins = buckets[:association_join] || [] stashed_association_joins = buckets[:stashed_join] || [] join_nodes = (buckets[:join_node] || []).uniq string_joins = (buckets[:string_join] || []).map(&:strip).uniq join_list = join_nodes + custom_join_ast(manager, string_joins) join_dependency = ActiveRecord::Associations::JoinDependency.new( @klass, association_joins, join_list ) join_infos = join_dependency.join_constraints stashed_association_joins join_infos.each do |info| info.joins.each { |join| manager.from(join) } manager.bind_values.concat info.binds end manager.join_sources.concat(join_list) manager end