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[flink] Skip LogSplit for empty buckets in lake union read #2958

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Merged
luoyuxia merged 1 commit into from
Mar 30, 2026
+9 −4
Merged

[flink] Skip LogSplit for empty buckets in lake union read #2958

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13 changes: 9 additions & 4 deletions ...link/fluss-flink-common/src/main/java/org/apache/fluss/flink/lake/LakeSplitGenerator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -235,10 +235,15 @@ private List<SourceSplitBase> generateSplit(
Long snapshotLogOffset = tableBucketSnapshotLogOffset.get(tableBucket);
Long stoppingOffset = bucketEndOffset.get(bucket);
if (snapshotLogOffset == null) {
// no any data commit to this bucket, scan from fluss log
splits.add(
new LogSplit(
tableBucket, partitionName, EARLIEST_OFFSET, stoppingOffset));
// no data committed to lake for this bucket, scan from fluss log
if (stoppingOffset == NO_STOPPING_OFFSET || stoppingOffset > 0) {
splits.add(
new LogSplit(
tableBucket,
partitionName,
EARLIEST_OFFSET,
stoppingOffset));
}
} else {
// need to read remain fluss log
if (stoppingOffset == NO_STOPPING_OFFSET
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