xushiyan commented on code in PR #7720:
URL: https://github.com/apache/hudi/pull/7720#discussion_r1083231849
##########
hudi-common/src/test/java/org/apache/hudi/common/testutils/HoodieTestDataGenerator.java:
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@@ -607,8 +608,14 @@ public List<HoodieRecord>
generateInsertsForPartition(String instantTime, Intege
}
public Stream<HoodieRecord> generateInsertsStream(String commitTime, Integer
n, boolean isFlattened, String schemaStr, boolean containsAllPartitions) {
+ AtomicInteger partitionIndex = new AtomicInteger(0);
return generateInsertsStream(commitTime, n, isFlattened, schemaStr,
containsAllPartitions,
- () -> partitionPaths[rand.nextInt(partitionPaths.length)],
+ () -> {
+ // round robin to ensure we generate inserts for all partition paths
+ String partitionToUse = partitionPaths[partitionIndex.get()];
+ partitionIndex.set((partitionIndex.get() + 1) %
partitionPaths.length);
+ return partitionToUse;
Review Comment:
this is minor: 1) from UT perspective, 100 records shouldn't be different
from 10 records. so why not keep it less. 2) we should ensure num records > num
partitions without knowing there are always 3 partitions so some check arg will
help prevent misuse leading to unexpected results
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