PavithranRick commented on code in PR #17604:
URL: https://github.com/apache/hudi/pull/17604#discussion_r2756449923
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hudi-common/src/main/java/org/apache/hudi/common/table/read/buffer/PositionBasedFileGroupRecordBuffer.java:
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@@ -115,6 +115,9 @@ public void processDataBlock(HoodieDataBlock dataBlock,
Option<KeySpec> keySpecO
// When a data block contains partial updates, subsequent record merging
must always use
// partial merging.
enablePartialMerging = true;
+ if (partialUpdateModeOpt.isEmpty()) {
+ this.partialUpdateModeOpt = Option.of(PartialUpdateMode.KEEP_VALUES);
Review Comment:
added a test case for this scenario.
`partialMergingEnabledOnlyWhenBlockWithPartialUpdatesProcessed()` in
`TestSortedKeyBasedFileGroupRecordBuffer.java` file
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