gitlab-org--gitlab-foss/db/post_migrate/20210809123658_orphaned_inv...

52 lines
1.5 KiB
Ruby

# frozen_string_literal: true
class OrphanedInviteTokensCleanup < ActiveRecord::Migration[6.1]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
TMP_INDEX_NAME = 'tmp_idx_orphaned_invite_tokens'
def up
add_concurrent_index('members', :id, where: query_condition, name: TMP_INDEX_NAME)
membership.where(query_condition).pluck(:id).each_slice(10) do |group|
membership.where(id: group).where(query_condition).update_all(invite_token: nil)
end
remove_concurrent_index_by_name('members', TMP_INDEX_NAME)
end
def down
remove_concurrent_index_by_name('members', TMP_INDEX_NAME) if index_exists_by_name?('members', TMP_INDEX_NAME)
# This migration is irreversible
end
private
def membership
@membership ||= define_batchable_model('members')
end
# We need to ensure we're comparing timestamp with time zones across
# the board since that is an immutable comparison. Some database
# schemas have a mix of timestamp without time zones and and timestamp
# with time zones: https://gitlab.com/groups/gitlab-org/-/epics/2473
def query_condition
"invite_token IS NOT NULL and invite_accepted_at IS NOT NULL and #{timestamptz("invite_accepted_at")} < #{timestamptz("created_at")}"
end
def timestamptz(name)
if column_type(name) == "timestamp without time zone"
"TIMEZONE('UTC', #{name})"
else
name
end
end
def column_type(name)
membership.columns_hash[name].sql_type
end
end