thiagotnunes commented on a change in pull request #17023:
URL: https://github.com/apache/beam/pull/17023#discussion_r828716251
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/DetectNewPartitionsDoFn.java
##########
@@ -109,9 +110,7 @@ public Instant getInitialWatermarkEstimatorState(@Element
PartitionMetadata part
public TimestampRange initialRestriction(@Element PartitionMetadata
partition) {
final com.google.cloud.Timestamp createdAt = partition.getCreatedAt();
return TimestampRange.of(
- com.google.cloud.Timestamp.ofTimeSecondsAndNanos(
- createdAt.getSeconds(), createdAt.getNanos() - 1),
- com.google.cloud.Timestamp.MAX_VALUE);
+ TimestampUtils.previous(createdAt),
com.google.cloud.Timestamp.MAX_VALUE);
Review comment:
Makes sure there is no underflow here by using `TimestampUtils.previous`
instead of simply subtracting `1ns`
##########
File path:
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/changestreams/dofn/ReadChangeStreamPartitionDoFn.java
##########
@@ -130,8 +130,7 @@ public TimestampRange initialRestriction(@Element
PartitionMetadata partition) {
final com.google.cloud.Timestamp startTimestamp =
partition.getStartTimestamp();
// Range represents closed-open interval
final com.google.cloud.Timestamp endTimestamp =
- ofTimeSecondsAndNanos(
- partition.getEndTimestamp().getSeconds(),
partition.getEndTimestamp().getNanos() + 1);
+ TimestampUtils.next(partition.getEndTimestamp());
Review comment:
Makes sure there is no overflow here by using `TimestampUtils.next`
instead of simply adding `1ns`
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