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