Examples with TimestampBound com.google.cloud.spanner.TimestampBound used on opensource projects

Example 11 with TimestampBound

use of com.google.cloud.spanner.TimestampBound in project google-cloud-java by GoogleCloudPlatform.

the class ITReadOnlyTxnTest method query.

@Test
public void query() {
    // We don't exhaustively test query with all modes - the read tests give us enough confidence
    // that transaction options are generated appropriately.  Just do one test for each type of
    // context to ensure that transaction options are set at all.
    History expected = history.get(2);
    TimestampBound bound = TimestampBound.ofReadTimestamp(expected.timestamp);
    ReadOnlyTransaction readContext = client.singleUseReadOnlyTransaction(bound);
    Struct row = queryRow(readContext);
    assertThat(row).isNotNull();
    assertThat(row.getString(0)).isEqualTo(expected.value);
    assertThat(readContext.getReadTimestamp()).isEqualTo(expected.timestamp);
    readContext = client.readOnlyTransaction(bound);
    row = queryRow(readContext);
    assertThat(row).isNotNull();
    assertThat(row.getString(0)).isEqualTo(expected.value);
    assertThat(readContext.getReadTimestamp()).isEqualTo(expected.timestamp);
    readContext.close();
    row = queryRow(client.singleUse(bound));
    assertThat(row).isNotNull();
    assertThat(row.getString(0)).isEqualTo(expected.value);
}

Example 12 with TimestampBound

use of com.google.cloud.spanner.TimestampBound in project google-cloud-java by GoogleCloudPlatform.

the class ITReadOnlyTxnTest method singleMinReadTimestamp.

@Test
public void singleMinReadTimestamp() {
    int minimumIndex = 2;
    History minimum = history.get(minimumIndex);
    NavigableMap<Timestamp, String> possibleValues = new TreeMap<>();
    for (History item : history.subList(minimumIndex, history.size())) {
        possibleValues.put(item.timestamp, item.value);
    }
    TimestampBound bound = TimestampBound.ofMinReadTimestamp(minimum.timestamp);
    ReadOnlyTransaction readContext = client.singleUseReadOnlyTransaction(bound);
    Struct row = readRow(readContext);
    assertThat(row).isNotNull();
    assertThat(readContext.getReadTimestamp()).isAtLeast(minimum.timestamp);
    assertThat(row.getString(0)).isEqualTo(possibleValues.floorEntry(readContext.getReadTimestamp()).getValue());
    row = readRow(client.singleUse(bound));
    assertThat(row).isNotNull();
    assertThat(row.getString(0)).isIn(possibleValues.values());
}

Example 13 with TimestampBound

use of com.google.cloud.spanner.TimestampBound in project beam by apache.

the class SpannerIOReadTest method runReadTest.

private void runReadTest(SpannerConfig spannerConfig) throws Exception {
    Timestamp timestamp = Timestamp.ofTimeMicroseconds(12345);
    TimestampBound timestampBound = TimestampBound.ofReadTimestamp(timestamp);
    PCollection<Struct> one = pipeline.apply("read q", SpannerIO.read().withSpannerConfig(spannerConfig).withTable("users").withColumns("id", "name").withTimestampBound(timestampBound));
    FakeBatchTransactionId id = new FakeBatchTransactionId("runReadTest");
    when(mockBatchTx.getBatchTransactionId()).thenReturn(id);
    when(serviceFactory.mockBatchClient().batchReadOnlyTransaction(timestampBound)).thenReturn(mockBatchTx);
    when(serviceFactory.mockBatchClient().batchReadOnlyTransaction(any(BatchTransactionId.class))).thenReturn(mockBatchTx);
    Partition fakePartition = FakePartitionFactory.createFakeReadPartition(ByteString.copyFromUtf8("one"));
    when(mockBatchTx.partitionRead(any(PartitionOptions.class), eq("users"), eq(KeySet.all()), eq(Arrays.asList("id", "name")), any(ReadQueryUpdateTransactionOption.class))).thenReturn(Arrays.asList(fakePartition, fakePartition, fakePartition));
    when(mockBatchTx.execute(any(Partition.class))).thenReturn(ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(0, 2)), ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(2, 4)), ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(4, 6)));
    PAssert.that(one).containsInAnyOrder(FAKE_ROWS);
    pipeline.run();
}

Example 14 with TimestampBound

use of com.google.cloud.spanner.TimestampBound in project beam by apache.

the class SpannerIOReadTest method testQueryMetricsFail.

@Test
public void testQueryMetricsFail() throws Exception {
    Timestamp timestamp = Timestamp.ofTimeMicroseconds(12345);
    TimestampBound timestampBound = TimestampBound.ofReadTimestamp(timestamp);
    SpannerConfig spannerConfig = getSpannerConfig();
    pipeline.apply("read q", SpannerIO.read().withSpannerConfig(spannerConfig).withQuery("SELECT * FROM users").withQueryName("queryName").withTimestampBound(timestampBound));
    FakeBatchTransactionId id = new FakeBatchTransactionId("runQueryTest");
    when(mockBatchTx.getBatchTransactionId()).thenReturn(id);
    when(serviceFactory.mockBatchClient().batchReadOnlyTransaction(timestampBound)).thenReturn(mockBatchTx);
    when(serviceFactory.mockBatchClient().batchReadOnlyTransaction(any(BatchTransactionId.class))).thenReturn(mockBatchTx);
    Partition fakePartition = FakePartitionFactory.createFakeQueryPartition(ByteString.copyFromUtf8("one"));
    when(mockBatchTx.partitionQuery(any(PartitionOptions.class), eq(Statement.of("SELECT * FROM users")), any(ReadQueryUpdateTransactionOption.class))).thenReturn(Arrays.asList(fakePartition));
    when(mockBatchTx.execute(any(Partition.class))).thenThrow(SpannerExceptionFactory.newSpannerException(ErrorCode.DEADLINE_EXCEEDED, "Simulated Timeout 1"));
    try {
        pipeline.run();
    } catch (PipelineExecutionException e) {
        if (e.getCause() instanceof SpannerException && ((SpannerException) e.getCause()).getErrorCode().getGrpcStatusCode() == Code.DEADLINE_EXCEEDED) {
        // expected
        } else {
            throw e;
        }
    }
    verifyMetricWasSet("test", "aaa", "123", "deadline_exceeded", null, 1);
    verifyMetricWasSet("test", "aaa", "123", "ok", null, 0);
}

Example 15 with TimestampBound

use of com.google.cloud.spanner.TimestampBound in project beam by apache.

the class SpannerIOReadTest method testQueryMetricsSucceed.

@Test
public void testQueryMetricsSucceed() throws Exception {
    Timestamp timestamp = Timestamp.ofTimeMicroseconds(12345);
    TimestampBound timestampBound = TimestampBound.ofReadTimestamp(timestamp);
    SpannerConfig spannerConfig = getSpannerConfig();
    pipeline.apply("read q", SpannerIO.read().withSpannerConfig(spannerConfig).withQuery("SELECT * FROM users").withQueryName("queryName").withTimestampBound(timestampBound));
    FakeBatchTransactionId id = new FakeBatchTransactionId("runQueryTest");
    when(mockBatchTx.getBatchTransactionId()).thenReturn(id);
    when(serviceFactory.mockBatchClient().batchReadOnlyTransaction(timestampBound)).thenReturn(mockBatchTx);
    when(serviceFactory.mockBatchClient().batchReadOnlyTransaction(any(BatchTransactionId.class))).thenReturn(mockBatchTx);
    Partition fakePartition = FakePartitionFactory.createFakeQueryPartition(ByteString.copyFromUtf8("one"));
    when(mockBatchTx.partitionQuery(any(PartitionOptions.class), eq(Statement.of("SELECT * FROM users")), any(ReadQueryUpdateTransactionOption.class))).thenReturn(Arrays.asList(fakePartition, fakePartition));
    when(mockBatchTx.execute(any(Partition.class))).thenReturn(ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(0, 2)), ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(2, 4)), ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(4, 6))).thenReturn(ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(0, 2)), ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(2, 4)), ResultSets.forRows(FAKE_TYPE, FAKE_ROWS.subList(4, 6)));
    pipeline.run();
    verifyMetricWasSet("test", "aaa", "123", "deadline_exceeded", null, 0);
    verifyMetricWasSet("test", "aaa", "123", "ok", null, 2);
}