Examples with ReadRowsRequest com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest used on opensource projects

Example 6 with ReadRowsRequest

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest in project java-bigquerystorage by googleapis.

the class ITBigQueryStorageTest method testFilter.

@Test
public void testFilter() throws IOException {
    String table = BigQueryResource.FormatTableResource(/* projectId = */
    "bigquery-public-data", /* datasetId = */
    "samples", /* tableId = */
    "shakespeare");
    TableReadOptions options = TableReadOptions.newBuilder().setRowRestriction("word_count > 100").build();
    CreateReadSessionRequest request = CreateReadSessionRequest.newBuilder().setParent(parentProjectId).setMaxStreamCount(1).setReadSession(ReadSession.newBuilder().setTable(table).setReadOptions(options).setDataFormat(DataFormat.AVRO).build()).build();
    ReadSession session = client.createReadSession(request);
    assertEquals(String.format("Did not receive expected number of streams for table '%s' CreateReadSession response:%n%s", table, session.toString()), 1, session.getStreamsCount());
    ReadRowsRequest readRowsRequest = ReadRowsRequest.newBuilder().setReadStream(session.getStreams(0).getName()).build();
    SimpleRowReader reader = new SimpleRowReader(new Schema.Parser().parse(session.getAvroSchema().getSchema()));
    long rowCount = 0;
    ServerStream<ReadRowsResponse> stream = client.readRowsCallable().call(readRowsRequest);
    for (ReadRowsResponse response : stream) {
        rowCount += response.getRowCount();
        reader.processRows(response.getAvroRows(), new AvroRowConsumer() {

            @Override
            public void accept(GenericData.Record record) {
                Long wordCount = (Long) record.get("word_count");
                assertWithMessage("Row not matching expectations: %s", record.toString()).that(wordCount).isGreaterThan(100L);
            }
        });
    }
    assertEquals(1_333, rowCount);
}

Example 7 with ReadRowsRequest

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest in project java-bigquerystorage by googleapis.

the class EnhancedBigQueryReadStubSettingsTest method testReadRowsSettings.

@Test
public void testReadRowsSettings() {
    ServerStreamingCallSettings.Builder<ReadRowsRequest, ReadRowsResponse> builder = EnhancedBigQueryReadStubSettings.newBuilder().readRowsSettings();
    assertThat(builder.getRetryableCodes()).contains(Code.UNAVAILABLE);
    RetrySettings retrySettings = builder.getRetrySettings();
    assertThat(retrySettings.getInitialRetryDelay()).isEqualTo(Duration.ofMillis(100L));
    assertThat(retrySettings.getRetryDelayMultiplier()).isWithin(1e-6).of(1.3);
    assertThat(retrySettings.getMaxRetryDelay()).isEqualTo(Duration.ofMinutes(1L));
    assertThat(retrySettings.getInitialRpcTimeout()).isEqualTo(Duration.ofDays(1L));
    assertThat(retrySettings.getRpcTimeoutMultiplier()).isWithin(1e-6).of(1.0);
    assertThat(retrySettings.getMaxRpcTimeout()).isEqualTo(Duration.ofDays(1L));
    assertThat(retrySettings.getTotalTimeout()).isEqualTo(Duration.ofDays(1L));
    assertThat(builder.getIdleTimeout()).isEqualTo(Duration.ZERO);
}

Example 8 with ReadRowsRequest

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest in project java-bigquerystorage by googleapis.

the class ResourceHeaderTest method readRowsTest.

@Test
public void readRowsTest() {
    try {
        ReadRowsRequest request = ReadRowsRequest.newBuilder().setReadStream(TEST_STREAM_NAME).setOffset(125).build();
        client.readRowsCallable().call(request);
    } catch (UnimplementedException e) {
    // Ignore the error: none of the methods are actually implemented.
    }
    verifyHeaderSent(READ_STREAM_PATTERN);
}

Example 9 with ReadRowsRequest

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest in project java-bigquerystorage by googleapis.

the class ReadRowsRetryTest method multipleRetryTestWithZeroInitialOffset.

@Test
public void multipleRetryTestWithZeroInitialOffset() {
    ReadRowsRequest request = RpcExpectation.createRequest("fake-stream", 0);
    service.expectations.add(RpcExpectation.create().expectRequest("fake-stream", 0).respondWithNumberOfRows(5).respondWithStatus(Code.UNAVAILABLE));
    service.expectations.add(RpcExpectation.create().expectRequest("fake-stream", 5).respondWithNumberOfRows(10).respondWithNumberOfRows(7).respondWithStatus(Code.UNAVAILABLE));
    service.expectations.add(RpcExpectation.create().expectRequest("fake-stream", 22).respondWithNumberOfRows(6));
    Assert.assertEquals(28, getRowCount(request));
}

Example 10 with ReadRowsRequest

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest in project java-bigquerystorage by googleapis.

the class ReadRowsRetryTest method happyPathTest.

@Test
public void happyPathTest() {
    ReadRowsRequest request = RpcExpectation.createRequest("fake-stream", 0);
    service.expectations.add(RpcExpectation.create().expectRequest("fake-stream", 0).respondWithNumberOfRows(10).respondWithNumberOfRows(7));
    Assert.assertEquals(17, getRowCount(request));
}