hmangla98 commented on code in PR #3170:
URL: https://github.com/apache/hive/pull/3170#discussion_r849404436
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ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java:
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@@ -5215,7 +5215,7 @@ private static void moveAcidFiles(String deltaFileType,
PathFilter pathFilter, F
bucketDest.toUri().toString());
try {
fs.rename(bucketSrc, bucketDest);
- if (newFiles != null) {
+ if (newFiles != null && !newFiles.contains(bucketDest)) {
Review Comment:
Actually, Task reattempt generates more than one temporary files and at the
time of actual copying of data from temporary to table loc, the destination
address is fed into this "newFiles" list multiple times. As a result, there
were multiple files in fileList in TXN_WRITE_NOTIFICAION_LOG. And this is
problematic when we initiate distcp from src to tgt and it fails with
duplicationFilesException.
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