gitlab-org--gitlab-foss/db/migrate/20200504191813_add_fingerprint_to_events.rb

36 lines
829 B
Ruby

# frozen_string_literal: true
class AddFingerprintToEvents < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
unless column_exists?(:events, :fingerprint)
with_lock_retries { add_column :events, :fingerprint, :binary }
end
unless check_constraint_exists?(:events, constraint_name)
add_check_constraint(
:events,
"octet_length(fingerprint) <= 128",
constraint_name,
validate: true
)
end
end
def down
remove_check_constraint(:events, constraint_name)
if column_exists?(:events, :fingerprint)
with_lock_retries { remove_column :events, :fingerprint }
end
end
def constraint_name
check_constraint_name(:events, :fingerprint, 'max_length')
end
end