Examples with RowEncoder io.trino.plugin.kafka.encoder.RowEncoder used on opensource projects

Example 1 with RowEncoder

use of io.trino.plugin.kafka.encoder.RowEncoder in project trino by trinodb.

the class KafkaPageSinkProvider method createPageSink.

@Override
public ConnectorPageSink createPageSink(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorInsertTableHandle tableHandle) {
    requireNonNull(tableHandle, "tableHandle is null");
    KafkaTableHandle handle = (KafkaTableHandle) tableHandle;
    ImmutableList.Builder<EncoderColumnHandle> keyColumns = ImmutableList.builder();
    ImmutableList.Builder<EncoderColumnHandle> messageColumns = ImmutableList.builder();
    handle.getColumns().forEach(col -> {
        if (col.isInternal()) {
            throw new IllegalArgumentException(format("unexpected internal column '%s'", col.getName()));
        }
        if (col.isKeyCodec()) {
            keyColumns.add(col);
        } else {
            messageColumns.add(col);
        }
    });
    RowEncoder keyEncoder = encoderFactory.create(session, handle.getKeyDataFormat(), getDataSchema(handle.getKeyDataSchemaLocation()), keyColumns.build());
    RowEncoder messageEncoder = encoderFactory.create(session, handle.getMessageDataFormat(), getDataSchema(handle.getMessageDataSchemaLocation()), messageColumns.build());
    return new KafkaPageSink(handle.getTopicName(), handle.getColumns(), keyEncoder, messageEncoder, producerFactory, session);
}

Example 2 with RowEncoder

use of io.trino.plugin.kafka.encoder.RowEncoder in project trino by trinodb.

the class TestRawEncoderMapping method testMapping.

@Test
public void testMapping() {
    EncoderColumnHandle col1 = new KafkaColumnHandle("test1", BIGINT, "0", "LONG", null, false, false, false);
    EncoderColumnHandle col2 = new KafkaColumnHandle("test2", createUnboundedVarcharType(), "8:14", "BYTE", null, false, false, false);
    EncoderColumnHandle col3 = new KafkaColumnHandle("test3", BIGINT, "14", "LONG", null, false, false, false);
    EncoderColumnHandle col4 = new KafkaColumnHandle("test4", createUnboundedVarcharType(), "22:28", "BYTE", null, false, false, false);
    EncoderColumnHandle col5 = new KafkaColumnHandle("test5", BIGINT, "28", "LONG", null, false, false, false);
    EncoderColumnHandle col6 = new KafkaColumnHandle("test6", createVarcharType(6), "36:42", "BYTE", null, false, false, false);
    EncoderColumnHandle col7 = new KafkaColumnHandle("test7", createVarcharType(6), "42:48", "BYTE", null, false, false, false);
    RowEncoder rowEncoder = ENCODER_FACTORY.create(TestingConnectorSession.SESSION, Optional.empty(), ImmutableList.of(col1, col2, col3, col4, col5, col6, col7));
    ByteBuffer buf = ByteBuffer.allocate(48);
    // 0-8
    buf.putLong(123456789);
    // 8-14
    buf.put("abcdef".getBytes(StandardCharsets.UTF_8));
    // 14-22
    buf.putLong(123456789);
    // 22-28
    buf.put("abcdef".getBytes(StandardCharsets.UTF_8));
    // 28-36
    buf.putLong(123456789);
    // 36-42
    buf.put("abcdef".getBytes(StandardCharsets.UTF_8));
    // 42-48
    buf.put("abcdef".getBytes(StandardCharsets.UTF_8));
    Block longArrayBlock = new LongArrayBlockBuilder(null, 1).writeLong(123456789).closeEntry().build();
    Block varArrayBlock = new VariableWidthBlockBuilder(null, 1, 6).writeBytes(Slices.wrappedBuffer("abcdef".getBytes(StandardCharsets.UTF_8)), 0, 6).closeEntry().build();
    rowEncoder.appendColumnValue(longArrayBlock, 0);
    rowEncoder.appendColumnValue(varArrayBlock, 0);
    rowEncoder.appendColumnValue(longArrayBlock, 0);
    rowEncoder.appendColumnValue(varArrayBlock, 0);
    rowEncoder.appendColumnValue(longArrayBlock, 0);
    rowEncoder.appendColumnValue(varArrayBlock, 0);
    rowEncoder.appendColumnValue(varArrayBlock, 0);
    assertEquals(buf.array(), rowEncoder.toByteArray());
}