pgaref commented on a change in pull request #1294:
URL: https://github.com/apache/hive/pull/1294#discussion_r458667959
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File path: ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
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@@ -1459,8 +1459,12 @@ public static void mvFileToFinalPath(Path specPath,
Configuration hconf,
}
// Remove duplicates from tmpPath
- List<FileStatus> statusList = HiveStatsUtils.getFileStatusRecurse(
- tmpPath, ((dpCtx == null) ? 1 : dpCtx.getNumDPCols()), fs);
+ int level = dpCtx == null ? 1 : dpCtx.getNumDPCols();
+ // - when execution engine is Tez and the query uses sql clause "Union"
+ // there is an extra layer of subdirectories that contains the
branches of the union;
+ boolean isUnionClauseInTez =
conf.getDirName().toString().contains(AbstractFileMergeOperator.UNION_SUDBIR_PREFIX);
Review comment:
Good catch!
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