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.
18 lines
662 B
18 lines
662 B
class MediaAttachmentIdsToTimestampIds < ActiveRecord::Migration[5.1]
|
|
def up
|
|
# Set up the media_attachments.id column to use our timestamp-based IDs.
|
|
safety_assured do
|
|
execute("ALTER TABLE media_attachments ALTER COLUMN id SET DEFAULT timestamp_id('media_attachments')")
|
|
end
|
|
|
|
# Make sure we have a sequence to use.
|
|
Mastodon::Snowflake.ensure_id_sequences_exist
|
|
end
|
|
|
|
def down
|
|
execute('LOCK media_attachments')
|
|
execute("SELECT setval('media_attachments_id_seq', (SELECT MAX(id) FROM media_attachments))")
|
|
execute("ALTER TABLE media_attachments ALTER COLUMN id SET DEFAULT nextval('media_attachments_id_seq')")
|
|
end
|
|
end
|