Stan Hu d092ed178f Fix background migrations failing with unused replication slot ... When there is an unused replication slot, the replication lag function will return a nil value, resulting in "NoMethodError: undefined method `>=' for nil:NilClass" error. We now just ignore these nil values. Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/63666		2019-06-25 08:35:29 -07:00
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replication_slot_spec.rb	…