zhouyifan279 commented on code in PR #6955:
URL: https://github.com/apache/iceberg/pull/6955#discussion_r1124452626
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hive-metastore/src/main/java/org/apache/iceberg/hive/HiveHadoopUtil.java:
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@@ -30,11 +30,12 @@ public class HiveHadoopUtil {
private HiveHadoopUtil() {}
public static String currentUser() {
+ String username = null;
try {
- return UserGroupInformation.getCurrentUser().getUserName();
+ username = UserGroupInformation.getCurrentUser().getShortUserName();
} catch (IOException e) {
LOG.warn("Failed to get Hadoop user", e);
- return System.getProperty("user.name");
}
+ return username != null ? username : System.getProperty("user.name");
Review Comment:
> Not sure why we need to change this, i think this makes it harder to read,
with another conditional operator
UserGroupInformation#getShortUserName() may return null before hadoop 2.8.2.
But it rarely happens in practice.
Let me restore the original code struct.
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