Examples of java.sql.Connection.unwrap()

java.sql.Connection.unwrap()

           assertEquals(1, rs.getLong(3));
            assertFalse(rs.next());
            
            byte[] tableName = Bytes.toBytes(ATABLE_NAME);
            admin = conn.unwrap(PhoenixConnection.class).getQueryServices().getAdmin();
            HTable htable = (HTable)conn.unwrap(PhoenixConnection.class).getQueryServices().getTable(tableName);
            htable.clearRegionCache();
            int nRegions = htable.getRegionLocations().size();
            admin.split(tableName, ByteUtil.concat(Bytes.toBytes(tenantId), Bytes.toBytes("00A" + Character.valueOf((char)('3' + nextRunCount()))+ ts))); // vary split point with test run
            int retryCount = 0;
            do {

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    public void testSameColumnNameInPKAndNonPK() throws Exception {
        Connection conn = DriverManager.getConnection(getUrl());
        try {
            String query = "CREATE TABLE t1 (k integer not null primary key, a.k decimal, b.k decimal)";
            conn.createStatement().execute(query);
            PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
            PColumn c = pconn.getMetaDataCache().getTable(new PTableKey(pconn.getTenantId(), "T1")).getColumn("K");
            assertTrue(SchemaUtil.isPKColumn(c));
        } finally {
            conn.close();
        }

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        String fullTableName = SchemaUtil.getTableName(SchemaUtil.normalizeIdentifier(schemaName),SchemaUtil.normalizeIdentifier(tableName));
        String fullIndexName = SchemaUtil.getTableName(SchemaUtil.normalizeIdentifier(schemaName),SchemaUtil.normalizeIdentifier("idx"));
        conn.createStatement().execute("CREATE TABLE " + fullTableName + "(" + dataColumns + " CONSTRAINT pk PRIMARY KEY (" + pk + "))  " + (dataProps.isEmpty() ? "" : dataProps) );
        try {
            conn.createStatement().execute("CREATE INDEX idx ON " + fullTableName + "(" + indexColumns + ") " + (includeColumns.isEmpty() ? "" : "INCLUDE (" + includeColumns + ") ") + (indexProps.isEmpty() ? "" : indexProps));
            PhoenixConnection pconn = conn.unwrap(PhoenixConnection.class);
            PTable table = pconn.getMetaDataCache().getTable(new PTableKey(pconn.getTenantId(), fullTableName));
            PTable index = pconn.getMetaDataCache().getTable(new PTableKey(pconn.getTenantId(),fullIndexName));
            ImmutableBytesWritable ptr = new ImmutableBytesWritable();
            table.getIndexMaintainers(ptr);
            List<IndexMaintainer> c1 = IndexMaintainer.deserialize(ptr, builder);

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        assertTrue(conn5.prepareStatement(query).executeQuery().next());
        conn5.createStatement().executeUpdate("DROP TABLE " + ATABLE_NAME);
        
        // Confirm that data is no longer there because we dropped the table
        // This needs to be done natively b/c the metadata is gone
        HTableInterface htable = conn5.unwrap(PhoenixConnection.class).getQueryServices().getTable(SchemaUtil.getTableNameAsBytes(ATABLE_SCHEMA_NAME, ATABLE_NAME));
        Scan scan = new Scan();
        scan.setFilter(new FirstKeyOnlyFilter());
        scan.setTimeRange(0, ts+9);
        assertNull(htable.getScanner(scan).next());
        conn5.close();

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        Connection conn = DriverManager.getConnection(getUrl(), props);


        HBaseAdmin admin = null;
        try {
            initTableValues(tenantId, getSplits(tenantId), ts);
            admin = conn.unwrap(PhoenixConnection.class).getQueryServices().getAdmin();
            admin.flush(SchemaUtil.getTableNameAsBytes(PRODUCT_METRICS_SCHEMA_NAME,PRODUCT_METRICS_NAME));
            String query = "SELECT SUM(TRANSACTIONS) FROM " + PRODUCT_METRICS_NAME + " WHERE FEATURE=?";
            PreparedStatement statement = conn.prepareStatement(query);
            statement.setString(1, F1);
            ResultSet rs = statement.executeQuery();

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        this.datasource.getPoolProperties().setSuspectTimeout(1);
        this.datasource.getPoolProperties().setLogAbandoned(true);
        Connection con = datasource.getConnection();
        assertEquals("Number of connections active/busy should be 1",1,datasource.getPool().getActive());
        Thread.sleep(3000);
        PooledConnection pcon = con.unwrap(PooledConnection.class);
        assertTrue("Connection should be marked suspect",pcon.isSuspect());
        con.close();
    }
}

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            action.config.getTypeSystem().getClass().getName());
      }
      Connection connection =
          DriverManager.getConnection("jdbc:calcite:", info);
      OptiqConnection optiqConnection =
          connection.unwrap(OptiqConnection.class);
      final OptiqServerStatement statement =
          optiqConnection.createStatement().unwrap(OptiqServerStatement.class);
      return new OptiqPrepareImpl().perform(statement, action);
    } catch (Exception e) {
      throw new RuntimeException(e);

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    @Test
    public void shouldCreateConnectionToRemoteServer() throws SQLException {
        Connection connection = connectToRemoteRepository();
        assertTrue(connection instanceof JcrConnection);
        assertTrue(connection.unwrap(JcrConnection.class) != null);
        assertFalse(connection.isClosed());
    }


    @Test( expected = SQLException.class )
    public void shouldNotConnectWithInvalidRepositoryName() throws Exception {

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        DriverManager.registerDriver(driver);
        Connection connection = DriverManager.getConnection(validUrl, validProperties);
        assertThat(connection, is(notNullValue()));
        assertThat(connection, is(instanceOf(JcrConnection.class)));
        assertThat(connection.isWrapperFor(JcrConnection.class), is(true));
        assertThat(connection.unwrap(JcrConnection.class), is(instanceOf(JcrConnection.class)));
    }


}

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        DriverManager.registerDriver(driver);
        Connection connection = DriverManager.getConnection(validUrl, validProperties);
        assertThat(connection, is(notNullValue()));
        assertThat(connection, is(instanceOf(JcrConnection.class)));
        assertThat(connection.isWrapperFor(JcrConnection.class), is(true));
        assertThat(connection.unwrap(JcrConnection.class), is(instanceOf(JcrConnection.class)));
    }


}

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