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# frozen_string_literal: true
class AddRequirementTestReportsForeignKey < ActiveRecord::Migration[6.1]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
TARGET_TABLE = :requirements_management_test_reports
CONSTRAINT_NAME = 'requirements_test_reports_requirement_id_xor_issue_id'
def up
add_concurrent_foreign_key TARGET_TABLE, :issues, column: :issue_id
add_check_constraint(TARGET_TABLE, 'num_nonnulls(requirement_id, issue_id) = 1', CONSTRAINT_NAME)
end
def down
remove_check_constraint TARGET_TABLE, CONSTRAINT_NAME
with_lock_retries do
remove_foreign_key_if_exists(TARGET_TABLE, column: :issue_id)
end
end
end
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