2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dmaap.dbcapi.database;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
29 public class LoadSchema {
30 private static final EELFLogger logger = EELFManager.getInstance().getLogger(LoadSchema.class);
32 static int getVer(Statement s) throws SQLException {
35 rs = s.executeQuery("SELECT version FROM dmaapbc_sch_ver");
44 static void upgrade() throws SQLException {
45 ConnectionFactory cf = ConnectionFactory.getDefaultInstance();
46 InputStream is = null;
48 Connection c = cf.get(true);
49 Statement stmt = c.createStatement();
53 // this sets the PG search_path to a consistent schema, otherwise sometimes
54 // we get public, and sometimes we get dmaap_admin
55 String cmd = String.format( "SET search_path to %s;", cf.getSchema());
58 logger.info("SCHEMA: " + cmd);
59 } catch (SQLException sqle) {
60 logger.error("Error", sqle);
65 // determine if an upgrade is needed
68 newver = getVer(stmt);
69 } catch (Exception e) {
70 logger.error("Error", e);
72 logger.info("Database schema currently at version " + newver++);
76 while ((is = LoadSchema.class.getClassLoader().getResourceAsStream("schema_" + newver + ".sql")) != null) {
77 logger.info("Upgrading database schema to version " + newver);
78 BufferedReader br = new BufferedReader(new InputStreamReader(is));
84 while ((s = br.readLine()) != null) {
85 logger.info("SCHEMA: " + s);
87 if (s.length() == 0 || s.startsWith("--")) {
93 sofar = sofar + " " + s;
95 if (s.endsWith(";")) {
96 sofar = sofar.substring(0, sofar.length() - 1);
97 boolean ignore = false;
98 if (sofar.startsWith("@")) {
100 sofar = sofar.substring(1).trim();
104 } catch (SQLException sqle) {
114 if (getVer(stmt) != newver) {
115 throw new SQLException("Schema version not properly updated to " + newver + " by upgrade script");
117 logger.info("Upgrade to database schema version " + newver + " successful");
120 } catch (IOException ioe) {
121 throw new SQLException(ioe);
124 public static void main(String[] args) throws Exception {