You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
class CreateInstances < ActiveRecord::Migration[5.2]
|
|
def change
|
|
create_view :instances, materialized: true
|
|
|
|
# To be able to refresh the view concurrently,
|
|
# at least one unique index is required
|
|
safety_assured { add_index :instances, :domain, unique: true }
|
|
end
|
|
end
|
