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