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metu.life/db/migrate/20210306164523_account_ids_...

17 lines
582 B

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