xuchuanyin commented on a change in pull request #3102: [CARBONDATA-3272]fix
ArrayIndexOutOfBoundsException of horizontal compaction during update, when
cardinality changes within a segment
URL: https://github.com/apache/carbondata/pull/3102#discussion_r251231101
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File path:
processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionUtil.java
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@@ -147,6 +147,7 @@ private static void
groupCorrespodingInfoBasedOnTask(TableBlockInfo info,
blockInfo.setDataFileFooter(dataFileMatadata);
} else {
dataFileMatadata = CarbonUtil.readMetadataFile(blockInfo);
+ blockInfo.setDataFileFooter(dataFileMatadata);
Review comment:
consider to move this sentence （Line147/150） out of the branches cause all
the branches have them
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