2 * Copyright (c) 2010-2024 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.internal.db;
15 import java.util.Properties;
17 import org.eclipse.jdt.annotation.NonNullByDefault;
18 import org.knowm.yank.Yank;
19 import org.knowm.yank.exceptions.YankSQLException;
20 import org.openhab.persistence.jdbc.internal.dto.ItemVO;
21 import org.openhab.persistence.jdbc.internal.exceptions.JdbcSQLException;
22 import org.openhab.persistence.jdbc.internal.utils.StringUtilsExt;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
27 * Extended Database Configuration class. Class represents the extended database-specific configuration. Overrides and
28 * supplements the default settings from JdbcBaseDAO and JdbcPostgresqlDAO.
30 * @author Riccardo Nimser-Joseph - Initial contribution
31 * @author Dan Cunningham - Fixes and refactoring
34 public class JdbcTimescaledbDAO extends JdbcPostgresqlDAO {
35 private final Logger logger = LoggerFactory.getLogger(JdbcTimescaledbDAO.class);
37 private final String sqlCreateHypertable = "SELECT created from create_hypertable('#tableName#', 'time')";
40 public Properties getConnectionProperties() {
41 Properties properties = (Properties) this.databaseProps.clone();
42 // Adjust the jdbc url since the service name 'timescaledb' is only used to differentiate the DAOs
43 if (properties.containsKey("jdbcUrl")) {
44 properties.put("jdbcUrl", properties.getProperty("jdbcUrl").replace("jdbc:timescaledb", "jdbc:postgresql"));
50 public void doCreateItemTable(ItemVO vo) throws JdbcSQLException {
51 super.doCreateItemTable(vo);
52 String sql = StringUtilsExt.replaceArrayMerge(this.sqlCreateHypertable, new String[] { "#tableName#" },
53 new String[] { vo.getTableName() });
54 this.logger.debug("JDBC::doCreateItemTable sql={}", sql);
56 Yank.queryScalar(sql, Boolean.class, null);
57 } catch (YankSQLException e) {
58 throw new JdbcSQLException(e);