example_upgrade.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.testray.hook.upgrade.v0_0_0;

import com.liferay.compat.portal.kernel.upgrade.UpgradeProcess;

/**
 * @author Ethan
 */
public class UpgradeThing extends UpgradeProcess {

	@Override
	protected void doUpgrade() throws Exception {
		if (!hasTable("Thing")) {
			return;
		}

        // this is too many lines -- use sb
		runSQL(
			"update Thing set blah = " +
				"replace(data_, 'comments', 'errors') where " +
					"buildNamespace = 'Testray' and buildNumber = 13 " +
						"and some other query");

		// this is fine
		runSQL(
			"update ServiceComponent set data_ = " +
				"replace(data_, 'defects', 'issues') where " +
					"buildNamespace = 'Testray' and buildNumber = 13");

		// this is fine
		runSQL(
			"update ServiceComponent set data_ = " +
				"replace(data_, " + variable + ", 'issues') where " +
					"buildNamespace = 'Testray' and buildNumber = 13");
	}

}