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

Example 71 with ReadRowsRequest

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

the class ReadRowsRetryTest method getRowCount.

private int getRowCount(ReadRowsRequest request) {
    ServerStream<ReadRowsResponse> serverStream = client.readRowsCallable().call(request);
    int rowCount = 0;
    for (ReadRowsResponse readRowsResponse : serverStream) {
        rowCount += readRowsResponse.getRowCount();
    }
    return rowCount;
}

Example 72 with ReadRowsRequest

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

the class ITBigQueryStorageLongRunningTest method readAllRowsFromStream.

private long readAllRowsFromStream(ReadStream readStream) {
    ReadRowsRequest readRowsRequest = ReadRowsRequest.newBuilder().setReadStream(readStream.getName()).build();
    long rowCount = 0;
    ServerStream<ReadRowsResponse> serverStream = client.readRowsCallable().call(readRowsRequest);
    for (ReadRowsResponse response : serverStream) {
        rowCount += response.getRowCount();
    }
    LOG.info(String.format("Read total of %d rows from stream '%s'.", rowCount, readStream.getName()));
    return rowCount;
}

Example 73 with ReadRowsRequest

use of com.google.cloud.bigquery.storage.v1beta2.ReadRowsRequest 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 74 with ReadRowsRequest

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

the class ReadRowsRetryTest method errorAtTheVeryEndTest.

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

Example 75 with ReadRowsRequest

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

the class ReadRowsRetryTest method immediateRetryTest.

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