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.
 
 
 
 
 
 
metu.life/db/migrate/20210505174616_update_follo...

18 lines
615 B

class UpdateFollowRecommendationsToVersion2 < ActiveRecord::Migration[6.1]
# We're switching from a normal to a materialized view so we need
# custom `up` and `down` paths.
def up
drop_view :follow_recommendations
create_view :follow_recommendations, version: 2, materialized: true
# To be able to refresh the view concurrently,
# at least one unique index is required
safety_assured { add_index :follow_recommendations, :account_id, unique: true }
end
def down
drop_view :follow_recommendations, materialized: true
create_view :follow_recommendations, version: 1
end
end