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# frozen_string_literal: true
class CleanupGitlabSubscriptionsWithNullNamespaceId < ActiveRecord::Migration[6.0]
disable_ddl_transaction!
class GitlabSubscription < ActiveRecord::Base
self.table_name = 'gitlab_subscriptions'
end
def up
# As of today, there is 0 records whose namespace_id is null on GitLab.com.
# And we expect no such records on non GitLab.com instance.
# So this post-migration cleanup script is just for extra safe.
#
# This will be fast on GitLab.com, because:
# - gitlab_subscriptions.count=5021850
# - namespace_id is indexed, so the query is pretty fast. Try on database-lab, this uses 5.931 ms
GitlabSubscription.where(namespace_id: nil).delete_all
end
def down
# no-op : can't go back to `NULL` without first dropping the `NOT NULL` constraint
end
end
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