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

Example 66 with ReadRowsResponse

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

the class ITBigQueryStorageTest method testSimpleRead.

@Test
public void testSimpleRead() {
    String table = BigQueryResource.FormatTableResource(/* projectId = */
    "bigquery-public-data", /* datasetId = */
    "samples", /* tableId = */
    "shakespeare");
    ReadSession session = client.createReadSession(/* parent = */
    parentProjectId, /* readSession = */
    ReadSession.newBuilder().setTable(table).setDataFormat(DataFormat.AVRO).build(), /* maxStreamCount = */
    1);
    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();
    long rowCount = 0;
    ServerStream<ReadRowsResponse> stream = client.readRowsCallable().call(readRowsRequest);
    for (ReadRowsResponse response : stream) {
        rowCount += response.getRowCount();
    }
    assertEquals(164_656, rowCount);
}

Example 67 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 68 with ReadRowsResponse

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

the class ITBigQueryStorageTest method testSimpleReadAndResume.

@Test
public void testSimpleReadAndResume() {
    String table = BigQueryResource.FormatTableResource(/* projectId = */
    "bigquery-public-data", /* datasetId = */
    "samples", /* tableId = */
    "shakespeare");
    ReadSession session = client.createReadSession(/* parent = */
    parentProjectId, /* readSession = */
    ReadSession.newBuilder().setTable(table).setDataFormat(DataFormat.AVRO).build(), /* maxStreamCount = */
    1);
    assertEquals(String.format("Did not receive expected number of streams for table '%s' CreateReadSession response:%n%s", table, session.toString()), 1, session.getStreamsCount());
    // We have to read some number of rows in order to be able to resume. More details:
    long rowCount = ReadStreamToOffset(session.getStreams(0), /* rowOffset = */
    34_846);
    ReadRowsRequest readRowsRequest = ReadRowsRequest.newBuilder().setReadStream(session.getStreams(0).getName()).setOffset(rowCount).build();
    ServerStream<ReadRowsResponse> stream = client.readRowsCallable().call(readRowsRequest);
    for (ReadRowsResponse response : stream) {
        rowCount += response.getRowCount();
    }
    // Verifies that the number of rows skipped and read equals to the total number of rows in the
    // table.
    assertEquals(164_656, rowCount);
}

Example 69 with ReadRowsResponse

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsResponse in project grpc-gcp-java by GoogleCloudPlatform.

the class BigtableLoadTest method getReadRowsResponses.

private static List<Iterator<ReadRowsResponse>> getReadRowsResponses(ManagedChannel channel) {
    GoogleCredentials creds = getCreds();
    BigtableBlockingStub stub = BigtableGrpc.newBlockingStub(channel).withCallCredentials(MoreCallCredentials.from(creds));
    List<Iterator<ReadRowsResponse>> res = new ArrayList<>();
    ReadRowsRequest request = ReadRowsRequest.newBuilder().setTableName(LARGE_TABLE_NAME).build();
    for (int i = 0; i < DEFAULT_MAX_STREAM + 5; i++) {
        Iterator<ReadRowsResponse> iter = stub.readRows(request);
        res.add(iter);
    }
    return res;
}

Example 70 with ReadRowsResponse

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

the class BigtableEmulatorRuleTest method testDataClient.

@Test
public void testDataClient() throws Exception {
    tableAdminStub.createTable(CreateTableRequest.newBuilder().setParent("projects/fake-project/instances/fake-instance").setTableId("fake-table").setTable(Table.newBuilder().putColumnFamilies("cf", ColumnFamily.getDefaultInstance())).build());
    dataStub.mutateRow(MutateRowRequest.newBuilder().setTableName("projects/fake-project/instances/fake-instance/tables/fake-table").setRowKey(ByteString.copyFromUtf8("fake-key")).addMutations(Mutation.newBuilder().setSetCell(SetCell.newBuilder().setFamilyName("cf").setColumnQualifier(ByteString.EMPTY).setValue(ByteString.copyFromUtf8("value")))).build());
    Iterator<ReadRowsResponse> results = dataStub.readRows(ReadRowsRequest.newBuilder().setTableName("projects/fake-project/instances/fake-instance/tables/fake-table").build());
    ReadRowsResponse row = results.next();
    assertThat(row.getChunks(0).getValue()).isEqualTo(ByteString.copyFromUtf8("value"));
}