Package org.h2.tools

Examples of org.h2.tools.CompressTool

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    private void testMultiThreaded() throws Exception {
        Task[] tasks = new Task[3];
        for (int i = 0; i < tasks.length; i++) {
            Task t = new Task() {
                public void call() {
                    CompressTool tool = CompressTool.getInstance();
                    byte[] buff = new byte[1024];
                    Random r = new Random();
                    while (!stop) {
                        r.nextBytes(buff);
                        byte[] test = tool.expand(tool.compress(buff, "LZF"));
                        assertEquals(buff, test);
                    }
                }
            };
            tasks[i] = t;
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            t.get();
        }
    }

    private void testVariableEnd() throws Exception {
        CompressTool utils = CompressTool.getInstance();
        StringBuilder buff = new StringBuilder();
        for (int i = 0; i < 90; i++) {
            buff.append('0');
        }
        String prefix = buff.toString();
        for (int i = 0; i < 100; i++) {
            buff = new StringBuilder(prefix);
            for (int j = 0; j < i; j++) {
                buff.append((char) ('1' + j));
            }
            String test = buff.toString();
            byte[] in = test.getBytes();
            assertEquals(in, utils.expand(utils.compress(in, "LZF")));
        }
    }
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                    if (r.nextInt(20) < 1) {
                        buff[x] = (byte) (r.nextInt(255));
                    }
                }
            }
            CompressTool utils = CompressTool.getInstance();
            // level 9 is highest, strategy 2 is huffman only
            for (String a : new String[] { "LZF", "No", "Deflate", "Deflate level 9 strategy 2" }) {
                long time = System.currentTimeMillis();
                byte[] out = utils.compress(buff, a);
                byte[] test = utils.expand(out);
                if (testPerformance) {
                    System.out.println("p:" + pattern + " len: " + out.length + " time: " + (System.currentTimeMillis() - time) + " " + a);
                }
                assertEquals(buff.length, test.length);
                assertEquals(buff, test);
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                  log.debug( "Starting remote h2 db with port : " + port );
                  final String[] args = new String[] {
                      "-baseDir", dbPath.getAbsolutePath(),
                      "-tcpPort", String.valueOf(port),
                      "-tcpAllowOthers","" }; //  need the extra empty string or a exception is thrown by H2
                  final Server server = Server.createTcpServer(args) ;
                  server.start() ;
                  setRemoteServer(server);
              }
              catch (Exception e)
              {
                 log.error("Failed to start database", e);
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   /**
    * Stop the remote database.
    */
   private void stopRemoteDatabase() throws SQLException
   {
       final Server server = getRemoteServer() ;
       if (server != null)
       {
           server.stop() ;
       }
   }
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        deleteDb("autoReconnect");
    }

    private void testWrongUrl() throws Exception {
        deleteDb("autoReconnect");
        Server tcp = Server.createTcpServer().start();
        try {
            Connection conn = getConnection("jdbc:h2:" + getBaseDir() + "/autoReconnect;AUTO_SERVER=TRUE");
            assertThrows(ErrorCode.DATABASE_ALREADY_OPEN_1, this).
                    getConnection("jdbc:h2:" + getBaseDir() + "/autoReconnect;OPEN_NEW=TRUE");
            assertThrows(ErrorCode.DATABASE_ALREADY_OPEN_1, this).
                    getConnection("jdbc:h2:" + getBaseDir() + "/autoReconnect;OPEN_NEW=TRUE");
            conn.close();

            conn = getConnection("jdbc:h2:tcp://localhost/" + getBaseDir() + "/autoReconnect");
            assertThrows(ErrorCode.DATABASE_ALREADY_OPEN_1, this).
                    getConnection("jdbc:h2:" + getBaseDir() + "/autoReconnect;AUTO_SERVER=TRUE;OPEN_NEW=TRUE");
            conn.close();
        } finally {
            tcp.stop();
        }
    }
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        TestBase.createCaller().init().test();
    }

    public void test() throws SQLException {
        deleteDb("test");
        Server server = Server.createPgServer("-baseDir", getBaseDir(), "-pgPort", "5535", "-pgDaemon");
        assertEquals(5535, server.getPort());
        assertEquals("Not started", server.getStatus());
        server.start();
        assertStartsWith(server.getStatus(), "PG server running at pg://");
        try {
            Class.forName("org.postgresql.Driver");
            testPgClient();
        } catch (ClassNotFoundException e) {
            println("PostgreSQL JDBC driver not found - PgServer not tested");
        } finally {
            server.stop();
        }
        deleteDb("test");
    }
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     *
     * @param conn the connection
     * @return a result set
     */
    public static ResultSet simpleFunctionTable(Connection conn) {
        SimpleResultSet result = new SimpleResultSet();
        result.addColumn("A", Types.INTEGER, 0, 0);
        result.addColumn("B", Types.CHAR, 0, 0);
        result.addRow(42, 'X');
        return result;
    }
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     * @param sp a short
     * @return a result set
     */
    public static ResultSet simpleResultSet(Integer rowCount, int ip, boolean bp, float fp, double dp, long lp,
            byte byParam, short sp) {
        SimpleResultSet rs = new SimpleResultSet();
        rs.addColumn("ID", Types.INTEGER, 10, 0);
        rs.addColumn("NAME", Types.VARCHAR, 255, 0);
        if (rowCount == null) {
            if (ip != 0 || bp || fp != 0.0 || dp != 0.0 || sp != 0 || lp != 0 || byParam != 0) {
                throw new AssertionError("params not 0/false");
            }
        }
        if (rowCount != null) {
            if (ip != 1 || !bp || fp != 1.0 || dp != 1.0 || sp != 1 || lp != 1 || byParam != 1) {
                throw new AssertionError("params not 1/true");
            }
            if (rowCount.intValue() >= 1) {
                rs.addRow(0, "Hello");
            }
            if (rowCount.intValue() >= 2) {
                rs.addRow(1, "World");
            }
        }
        return rs;
    }
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        testRandomSetRange();
    }

    private void testNextClearBit() {
        BitSet set = new BitSet();
        BitField field = new BitField();
        set.set(0, 640);
        field.set(0, 640, true);
        assertEquals(set.nextClearBit(0), field.nextClearBit(0));

        Random random = new Random(1);
        field = new BitField();
        field.set(0, 500, true);
        for (int i = 0; i < 100000; i++) {
            int a = random.nextInt(120);
            int b = a + 1 + random.nextInt(200);
            field.clear(a);
            field.clear(b);
            assertEquals(b, field.nextClearBit(a + 1));
            field.set(a);
            field.set(b);
        }
    }
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