2017-08-31 00:06:56 -04:00
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class AddIndexToTopicStatusUpdates < ActiveRecord::Migration[4.2]
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2017-03-21 23:12:02 -04:00
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def up
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execute <<~SQL
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CREATE UNIQUE INDEX idx_topic_id_status_type_deleted_at
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ON topic_status_updates(topic_id, status_type)
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WHERE deleted_at IS NULL
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SQL
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end
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def down
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execute "DROP INDEX idx_topic_id_status_type_deleted_at"
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end
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end
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