module ActiveRecordShards::DefaultReplicaPatches::Rails41HasAndBelongsToManyBuilderExtension
in rails 4.1+, they create a join class that's used to pull in records for HABTM. this simplifies the hell out of our existence, because all we have to do is inerit on-replica-by-default down from the parent now.
Public Class Methods
included(base)
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# File lib/active_record_shards/default_replica_patches.rb, line 166 def self.included(base) base.class_eval do alias_method :through_model_without_inherit_default_replica_from_lhs, :through_model alias_method :through_model, :through_model_with_inherit_default_replica_from_lhs end end
Public Instance Methods
through_model_with_inherit_default_replica_from_lhs()
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# File lib/active_record_shards/default_replica_patches.rb, line 173 def through_model_with_inherit_default_replica_from_lhs model = through_model_without_inherit_default_replica_from_lhs def model.on_replica_by_default? left_reflection.klass.on_replica_by_default? end # also transfer the sharded-ness of the left table to the join model model.not_sharded unless model.left_reflection.klass.is_sharded? model end