20 lines
549 B
Ruby
20 lines
549 B
Ruby
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Sequel.migration do
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up do
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SequelRails.connection.run(%{
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ALTER TABLE likes DROP CONSTRAINT IF EXISTS actor_subject_unique;
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})
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SequelRails.connection.run(%{
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ALTER TABLE likes ADD CONSTRAINT subject_actor_unique UNIQUE (subject, actor);
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})
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end
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down do
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SequelRails.connection.run(%{
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ALTER TABLE likes DROP CONSTRAINT IF EXISTS subject_actor_unique;
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})
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SequelRails.connection.run(%{
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ALTER TABLE likes ADD CONSTRAINT actor_subject_unique UNIQUE (actor, subject);
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})
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end
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end
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