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.
33 lines
1.6 KiB
33 lines
1.6 KiB
# frozen_string_literal: true
|
|
|
|
require Rails.root.join('lib', 'mastodon', 'migration_helpers')
|
|
|
|
class AddFixedLowercaseIndexToAccounts < ActiveRecord::Migration[5.2]
|
|
include Mastodon::MigrationHelpers
|
|
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
if index_name_exists?(:accounts, 'old_index_accounts_on_username_and_domain_lower') && index_name_exists?(:accounts, 'index_accounts_on_username_and_domain_lower')
|
|
remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
|
|
elsif index_name_exists?(:accounts, 'index_accounts_on_username_and_domain_lower')
|
|
rename_index :accounts, 'index_accounts_on_username_and_domain_lower', 'old_index_accounts_on_username_and_domain_lower'
|
|
end
|
|
|
|
begin
|
|
add_index :accounts, "lower (username), COALESCE(lower(domain), '')", name: 'index_accounts_on_username_and_domain_lower', unique: true, algorithm: :concurrently
|
|
rescue ActiveRecord::RecordNotUnique
|
|
remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
|
|
raise CorruptionError, 'index_accounts_on_username_and_domain_lower'
|
|
end
|
|
|
|
remove_index :accounts, name: 'old_index_accounts_on_username_and_domain_lower' if index_name_exists?(:accounts, 'old_index_accounts_on_username_and_domain_lower')
|
|
end
|
|
|
|
def down
|
|
add_index :accounts, 'lower (username), lower(domain)', name: 'old_index_accounts_on_username_and_domain_lower', unique: true, algorithm: :concurrently
|
|
remove_index :accounts, name: 'index_accounts_on_username_and_domain_lower'
|
|
rename_index :accounts, 'old_index_accounts_on_username_and_domain_lower', 'index_accounts_on_username_and_domain_lower'
|
|
end
|
|
end
|