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

Example 6 with ReadRowsResponse

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsResponse in project trino by trinodb.

the class TestReadRowsHelper method testNoFailures.

@Test
public void testNoFailures() {
    BigQueryReadClient client = mock(BigQueryReadClient.class);
    MockResponsesBatch batch1 = new MockResponsesBatch();
    batch1.addResponse(ReadRowsResponse.newBuilder().setRowCount(10).build());
    batch1.addResponse(ReadRowsResponse.newBuilder().setRowCount(11).build());
    // so we can run multiple tests
    List<ReadRowsResponse> responses = ImmutableList.copyOf(new MockReadRowsHelper(client, "test", 3, ImmutableList.of(batch1)).readRows());
    assertThat(responses.size()).isEqualTo(2);
    assertThat(responses.stream().mapToLong(ReadRowsResponse::getRowCount).sum()).isEqualTo(21);
}

Example 7 with ReadRowsResponse

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

the class ITBigQueryStorageTest method ProcessRowsAtSnapshot.

/**
 * Reads all the rows from the specified table.
 *
 * <p>For every row, the consumer is called for processing.
 *
 * @param table
 * @param snapshotInMillis Optional. If specified, all rows up to timestamp will be returned.
 * @param filter Optional. If specified, it will be used to restrict returned data.
 * @param consumer that receives all Avro rows.
 * @throws IOException
 */
private void ProcessRowsAtSnapshot(String table, Long snapshotInMillis, String filter, AvroRowConsumer consumer) throws IOException {
    Preconditions.checkNotNull(table);
    Preconditions.checkNotNull(consumer);
    CreateReadSessionRequest.Builder createSessionRequestBuilder = CreateReadSessionRequest.newBuilder().setParent(parentProjectId).setMaxStreamCount(1).setReadSession(ReadSession.newBuilder().setTable(table).setDataFormat(DataFormat.AVRO).build());
    if (snapshotInMillis != null) {
        Timestamp snapshotTimestamp = Timestamp.newBuilder().setSeconds(snapshotInMillis / 1_000).setNanos((int) ((snapshotInMillis % 1000) * 1000000)).build();
        createSessionRequestBuilder.getReadSessionBuilder().setTableModifiers(TableModifiers.newBuilder().setSnapshotTime(snapshotTimestamp).build());
    }
    if (filter != null && !filter.isEmpty()) {
        createSessionRequestBuilder.getReadSessionBuilder().setReadOptions(TableReadOptions.newBuilder().setRowRestriction(filter).build());
    }
    ReadSession session = client.createReadSession(createSessionRequestBuilder.build());
    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()));
    ServerStream<ReadRowsResponse> stream = client.readRowsCallable().call(readRowsRequest);
    for (ReadRowsResponse response : stream) {
        reader.processRows(response.getAvroRows(), consumer);
    }
}

Example 8 with ReadRowsResponse

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

the class ITBigQueryStorageTest method testColumnSelection.

@Test
public void testColumnSelection() throws IOException {
    String table = BigQueryResource.FormatTableResource(/* projectId = */
    "bigquery-public-data", /* datasetId = */
    "samples", /* tableId = */
    "shakespeare");
    TableReadOptions options = TableReadOptions.newBuilder().addSelectedFields("word").addSelectedFields("word_count").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();
    Schema avroSchema = new Schema.Parser().parse(session.getAvroSchema().getSchema());
    String actualSchemaMessage = String.format("Unexpected schema. Actual schema:%n%s", avroSchema.toString(/* pretty = */
    true));
    assertEquals(actualSchemaMessage, Schema.Type.RECORD, avroSchema.getType());
    assertEquals(actualSchemaMessage, "__root__", avroSchema.getName());
    assertEquals(actualSchemaMessage, 2, avroSchema.getFields().size());
    assertEquals(actualSchemaMessage, Schema.Type.STRING, avroSchema.getField("word").schema().getType());
    assertEquals(actualSchemaMessage, Schema.Type.LONG, avroSchema.getField("word_count").schema().getType());
    SimpleRowReader reader = new SimpleRowReader(avroSchema);
    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) {
                String rowAssertMessage = String.format("Row not matching expectations: %s", record.toString());
                Long wordCount = (Long) record.get("word_count");
                assertWithMessage(rowAssertMessage).that(wordCount).isGreaterThan(100L);
                Utf8 word = (Utf8) record.get("word");
                assertWithMessage(rowAssertMessage).that(word.length()).isGreaterThan(0);
            }
        });
    }
    assertEquals(1_333, rowCount);
}

Example 9 with ReadRowsResponse

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsResponse 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 10 with ReadRowsResponse

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsResponse 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);
}