masto-fe/db/post_migrate/20220310060706_optimize_null_index_statuses_uri.rb

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# frozen_string_literal: true
require Rails.root.join('lib', 'mastodon', 'migration_helpers')
class OptimizeNullIndexStatusesUri < ActiveRecord::Migration[5.2]
include Mastodon::MigrationHelpers
disable_ddl_transaction!
def up
update_index :statuses, 'index_statuses_on_uri', :uri, unique: true, where: 'uri IS NOT NULL', opclass: :text_pattern_ops
end
def down
update_index :statuses, 'index_statuses_on_uri', :uri, unique: true
end
end