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[HUDI-5087] Fix incorrect merging sequence for Column Stats Record in HoodieMetadataPayload #7053

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merged 4 commits into from
Oct 26, 2022
+182 −3
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[HUDI-5087] Fix incorrect merging sequence for Column Stats Record in HoodieMetadataPayload #7053

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7a6d240
[HUDI-5087]Fix incorrect maxValue getting from metatable
Zhangshunyu Oct 25, 2022
670eaec
Fixed `HoodieMetadataPayload` merging seq;
Oct 25, 2022
8bf2750
Fixing handling of deletes;
Oct 25, 2022
6ce0ce0
Added tests for combining partition files-list record
Oct 25, 2022
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4 changes: 2 additions & 2 deletions hudi-common/src/main/java/org/apache/hudi/metadata/HoodieMetadataPayload.java
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Original file line number Diff line number Diff line change
Expand Up @@ -639,8 +639,8 @@ private static HoodieMetadataColumnStats mergeColumnStatsRecords(HoodieMetadataC

Comparable maxValue =
(Comparable) Stream.of(
(Comparable) unwrapStatisticValueWrapper(prevColumnStats.getMinValue()),
(Comparable) unwrapStatisticValueWrapper(newColumnStats.getMinValue()))
(Comparable) unwrapStatisticValueWrapper(prevColumnStats.getMaxValue()),
(Comparable) unwrapStatisticValueWrapper(newColumnStats.getMaxValue()))
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Nice catch, is there any possibility we write a unit test for this clazz ?

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+1

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Added the tests

.filter(Objects::nonNull)
.max(Comparator.naturalOrder())
.orElse(null);
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