Examples with HDBClient herddb.client.HDBClient used on opensource projects

Example 76 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class PreparedStatemetParametersTest method missingParameter.

/**
 * Execute a prepared statement without a needed parameter
 */
@Test(expected = SQLException.class)
public void missingParameter() throws Exception {
    try (Server server = new Server(TestUtils.newServerConfigurationWithAutoPort(folder.newFolder().toPath()))) {
        server.start();
        server.waitForStandaloneBoot();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()))) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            try (BasicHerdDBDataSource dataSource = new BasicHerdDBDataSource(client)) {
                try (Connection con = dataSource.getConnection();
                    Statement statement = con.createStatement()) {
                    statement.execute("CREATE TABLE mytable (c1 int primary key)");
                }
                try (Connection con = dataSource.getConnection();
                    PreparedStatement statement = con.prepareStatement("INSERT INTO mytable values (?)")) {
                    int rows = statement.executeUpdate();
                    Assert.assertEquals(1, rows);
                }
            }
        }
    }
}

Example 77 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class SimpleScanTest method testCloseResultSetsOnCloseConnection.

@Test
public void testCloseResultSetsOnCloseConnection() throws Exception {
    try (Server server = new Server(herddb.jdbc.TestUtils.newServerConfigurationWithAutoPort(folder.newFolder().toPath()))) {
        server.start();
        server.waitForStandaloneBoot();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()))) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            try (BasicHerdDBDataSource dataSource = new BasicHerdDBDataSource(client)) {
                try (Connection con = dataSource.getConnection();
                    Statement statement = con.createStatement()) {
                    statement.execute("CREATE TABLE mytable (k1 string primary key, n1 int, l1 long, t1 timestamp, nu string, b1 bool, d1 double)");
                }
                try (Connection con = dataSource.getConnection();
                    PreparedStatement statement = con.prepareStatement("INSERT INTO mytable(k1,n1,l1,t1,nu,b1,d1) values(?,?,?,?,?,?,?)")) {
                    for (int n = 0; n < 10; ++n) {
                        int i = 1;
                        statement.setString(i++, "mykey_" + n);
                        statement.setInt(i++, n);
                        statement.setLong(i++, n);
                        statement.setTimestamp(i++, new java.sql.Timestamp(System.currentTimeMillis()));
                        statement.setString(i++, null);
                        statement.setBoolean(i++, true);
                        statement.setDouble(i++, n + 0.5);
                        statement.addBatch();
                    }
                    int[] batches = statement.executeBatch();
                    Assert.assertEquals(10, batches.length);
                    for (int batch : batches) {
                        Assert.assertEquals(1, batch);
                    }
                }
                try (Connection con = dataSource.getConnection()) {
                    con.setAutoCommit(false);
                    Transaction tx;
                    try (Statement s = con.createStatement()) {
                        // force the creation of the transaction, by issuing a DML command
                        s.executeUpdate("UPDATE mytable set n1=1 where k1 ='aaa'");
                    }
                    try (PreparedStatement statement = con.prepareStatement("SELECT n1, k1 FROM mytable")) {
                        statement.setFetchSize(1);
                        ResultSet rs = statement.executeQuery();
                        assertTrue(rs.next());
                        List<Transaction> transactions = server.getManager().getTableSpaceManager(TableSpace.DEFAULT).getTransactions();
                        assertEquals(1, transactions.size());
                        tx = transactions.get(0);
                        assertEquals(1, tx.getRefCount());
                    }
                    // close statement -> close result set -> transaction refcount = 0
                    // closing of scanners is non blocking, we have to wait
                    TestUtils.waitForCondition(() -> tx.getRefCount() == 0, NOOP, 100);
                }
                Transaction tx;
                try (Connection con = dataSource.getConnection()) {
                    con.setAutoCommit(false);
                    try (Statement s = con.createStatement()) {
                        // force the creation of the transaction, by issuing a DML command
                        s.executeUpdate("UPDATE mytable set n1=1 where k1 ='aaa'");
                    }
                    PreparedStatement statement = con.prepareStatement("SELECT n1, k1 FROM mytable");
                    statement.setFetchSize(1);
                    ResultSet rs = statement.executeQuery();
                    assertTrue(rs.next());
                    List<Transaction> transactions = server.getManager().getTableSpaceManager(TableSpace.DEFAULT).getTransactions();
                    assertEquals(1, transactions.size());
                    tx = transactions.get(0);
                    assertEquals(1, tx.getRefCount());
                }
                // close connection -> close statement -> close result set -> transaction refcount = 0 (and rolled back)
                TestUtils.waitForCondition(() -> tx.getRefCount() == 0, NOOP, 100);
            }
        }
    }
}

Example 78 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class CheckBigIntConversionTest method test.

@Test
public void test() throws Exception {
    try (Server server = new Server(TestUtils.newServerConfigurationWithAutoPort(folder.newFolder().toPath()))) {
        server.start();
        server.waitForStandaloneBoot();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()))) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            try (BasicHerdDBDataSource dataSource = new BasicHerdDBDataSource(client);
                Connection con = dataSource.getConnection();
                Statement statement = con.createStatement()) {
                statement.execute("CREATE TABLE mytable (key BIGINT primary key)");
                /* With high enough longs the value was converted to double loosing "precision" */
                long value = 72057598332895235L;
                try (PreparedStatement insert = con.prepareStatement("INSERT INTO mytable (key) values(" + value + ")")) {
                    insert.executeUpdate();
                }
                try (PreparedStatement selectKey = con.prepareStatement("SELECT key FROM mytable")) {
                    try (ResultSet rs = selectKey.executeQuery()) {
                        while (rs.next()) {
                            Long result = (Long) rs.getObject(1);
                            if (result.longValue() != value) {
                                throw new IllegalStateException(value + " != " + result);
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 79 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class SimpleClientScanTest method test.

@Test
public void test() throws Exception {
    try (Server server = new Server(newServerConfigurationWithAutoPort(folder.newFolder().toPath()))) {
        server.start();
        server.waitForStandaloneBoot();
        try (HDBClient client = new HDBClient(new ClientConfiguration(folder.newFolder().toPath()));
            HDBConnection connection = client.openConnection()) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            long resultCreateTable = connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE mytable (id string primary key, n1 long, n2 integer)", 0, false, true, Collections.emptyList()).updateCount;
            Assert.assertEquals(1, resultCreateTable);
            for (int i = 0; i < 99; i++) {
                Assert.assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO mytable (id,n1,n2) values(?,?,?)", 0, false, true, Arrays.asList("test_" + i, 1, 2)).updateCount);
            }
            assertEquals(99, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM mytable", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
            // maxRows
            assertEquals(17, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM mytable", true, Collections.emptyList(), 0, 17, 10, true).consume().size());
            // empty result set
            assertEquals(0, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM mytable WHERE id='none'", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
            // single fetch result test
            assertEquals(1, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM mytable WHERE id='test_1'", true, Collections.emptyList(), 0, 0, 10, true).consume().size());
            // agregation in transaction, this is trickier than what you can think
            long tx = connection.beginTransaction(TableSpace.DEFAULT);
            assertEquals(1, connection.executeScan(TableSpace.DEFAULT, "SELECT count(*) FROM mytable WHERE id='test_1'", true, Collections.emptyList(), tx, 0, 10, true).consume().size());
            connection.rollbackTransaction(TableSpace.DEFAULT, tx);
            assertEquals(0, connection.executeScan(TableSpace.DEFAULT, "SELECT * FROM mytable WHERE id=?", true, Arrays.<Object>asList((Object) null), 0, 0, 10, true).consume().size());
        }
    }
}

Example 80 with HDBClient

use of herddb.client.HDBClient in project herddb by diennea.

the class SimpleClientScanTest method scanMultiChunk.

@Test
public void scanMultiChunk() throws Exception {
    try (Server server = new Server(newServerConfigurationWithAutoPort(folder.newFolder().toPath()))) {
        server.start();
        server.waitForStandaloneBoot();
        ClientConfiguration clientConfiguration = new ClientConfiguration(folder.newFolder().toPath());
        // more than one socket
        clientConfiguration.set(ClientConfiguration.PROPERTY_MAX_CONNECTIONS_PER_SERVER, 10);
        try (HDBClient client = new HDBClient(clientConfiguration);
            HDBConnection connection = client.openConnection()) {
            client.setClientSideMetadataProvider(new StaticClientSideMetadataProvider(server));
            long resultCreateTable = connection.executeUpdate(TableSpace.DEFAULT, "CREATE TABLE mytable (id string primary key, n1 long, n2 integer)", 0, false, true, Collections.emptyList()).updateCount;
            Assert.assertEquals(1, resultCreateTable);
            for (int i = 0; i < 99; i++) {
                Assert.assertEquals(1, connection.executeUpdate(TableSpace.DEFAULT, "INSERT INTO mytable (id,n1,n2) values(?,?,?)", 0, false, true, Arrays.asList("test_" + i, 1, 2)).updateCount);
            }
            checkUseOnlyOneSocket(connection, server);
            checkNoScannersOnTheServer(server);
            checkCloseScannerOnConnectionClose(client, connection, server, true);
            checkNoScannersOnTheServer(server);
            checkCloseScannerOnConnectionClose(client, connection, server, false);
            checkNoScannersOnTheServer(server);
            checkCloseResultSetNotFullyScanned(connection, server, true);
            checkNoScannersOnTheServer(server);
            checkCloseResultSetNotFullyScanned(connection, server, false);
            checkNoScannersOnTheServer(server);
            checkCloseResultSetNotFullyScannedWithTransactionAndAggregation(connection, server, true);
            checkNoScannersOnTheServer(server);
            checkCloseResultSetNotFullyScannedWithTransactionAndAggregation(connection, server, false);
            checkNoScannersOnTheServer(server);
        }
        checkNoScannersOnTheServer(server);
    }
}