2 * Copyright (c) 2010-2022 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.persistence.jdbc.db;
15 import java.util.Properties;
17 import org.knowm.yank.Yank;
18 import org.openhab.persistence.jdbc.dto.ItemVO;
19 import org.openhab.persistence.jdbc.utils.StringUtilsExt;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 * Extended Database Configuration class. Class represents the extended database-specific configuration. Overrides and
25 * supplements the default settings from JdbcBaseDAO and JdbcPostgresqlDAO.
27 * @author Riccardo Nimser-Joseph - Initial contribution
28 * @author Dan Cunningham - Fixes and refactoring
30 public class JdbcTimescaledbDAO extends JdbcPostgresqlDAO {
31 private final Logger logger = LoggerFactory.getLogger(JdbcTimescaledbDAO.class);
33 private final String sqlCreateHypertable = "SELECT created from create_hypertable('#tableName#', 'time')";
36 public Properties getConnectionProperties() {
37 Properties properties = (Properties) this.databaseProps.clone();
38 // Adjust the jdbc url since the service name 'timescaledb' is only used to differentiate the DAOs
39 if (properties.containsKey("jdbcUrl")) {
40 properties.put("jdbcUrl", properties.getProperty("jdbcUrl").replace("timescaledb", "postgresql"));
46 public void doCreateItemTable(ItemVO vo) {
47 super.doCreateItemTable(vo);
48 String sql = StringUtilsExt.replaceArrayMerge(this.sqlCreateHypertable, new String[] { "#tableName#" },
49 new String[] { vo.getTableName() });
50 this.logger.debug("JDBC::doCreateItemTable sql={}", sql);
51 Yank.queryScalar(sql, Boolean.class, null);