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# frozen_string_literal: true
class AddUserIndexAndFkToSshSignatures < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
INDEX_NAME = 'index_ssh_signatures_on_user_id'
def up
add_concurrent_index :ssh_signatures, :user_id, name: INDEX_NAME
add_concurrent_foreign_key :ssh_signatures, :users, column: :user_id, on_delete: :nullify
end
def down
with_lock_retries do
remove_foreign_key_if_exists :ssh_signatures, column: :user_id
end
remove_concurrent_index_by_name :ssh_signatures, INDEX_NAME
end
end
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