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
29 public class JdbcTimescaledbDAO extends JdbcPostgresqlDAO {
30 private final Logger logger = LoggerFactory.getLogger(JdbcTimescaledbDAO.class);
32 protected String sqlCreateHypertable;
34 public JdbcTimescaledbDAO() {
40 public Properties getDatabaseProperties() {
41 Properties properties = new Properties(this.databaseProps);
43 // Adjust the jdbc url since the service name 'timescaledb' is only used to differentiate the DAOs
44 if (properties.containsKey("jdbcUrl")) {
45 properties.put("jdbcUrl", properties.getProperty("jdbcUrl").replace("timescaledb", "postgresql"));
51 public void doCreateItemTable(ItemVO vo) {
54 sql = StringUtilsExt.replaceArrayMerge(this.sqlCreateItemTable,
55 new String[] { "#tableName#", "#dbType#", "#tablePrimaryKey#" },
56 new String[] { vo.getTableName(), vo.getDbType(), sqlTypes.get("tablePrimaryKey") });
57 this.logger.debug("JDBC::doCreateItemTable sql={}", sql);
58 Yank.execute(sql, null);
60 sql = StringUtilsExt.replaceArrayMerge(this.sqlCreateHypertable, new String[] { "#tableName#" },
61 new String[] { vo.getTableName() });
62 this.logger.debug("JDBC::doCreateItemTable sql={}", sql);
63 Yank.execute(sql, null);
66 private void initSqlQueries() {
67 this.logger.debug("JDBC::initSqlQueries: '{}'", this.getClass().getSimpleName());
69 this.sqlCreateHypertable = "SELECT create_hypertable('#tableName#', 'time')";