danielcweeks commented on code in PR #6045:
URL: https://github.com/apache/iceberg/pull/6045#discussion_r1022041978
##########
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveCatalog.java:
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@@ -539,12 +577,22 @@ Database convertToDatabase(Namespace namespace,
Map<String, String> meta) {
database.setDescription(value);
} else if (key.equals("location")) {
database.setLocationUri(value);
+ } else if (key.equals(HMS_DB_OWNER)) {
+ database.setOwnerName(value);
+ } else if (key.equals(HMS_DB_OWNER_TYPE) && value != null) {
+ database.setOwnerType(PrincipalType.valueOf(value));
} else {
if (value != null) {
parameter.put(key, value);
}
}
});
+
+ if (database.getOwnerName() == null) {
+ database.setOwnerName(System.getProperty("user.name"));
Review Comment:
I think it actually makes sense to use just `user.name` in other places in
Iceberg since we want to avoid hard dependencies on Hadoop/Hive where possible.
In this case though, Hive requires a Hadoop dependency and since this catalog
is likely used in that context, `UserGroupInformation` seems like it would
produce more consistent behavior with the Spark/Hive engine itself.
Other catalog implementation probably should not use UGI since they may be
running on environments where hadoop is not available (e.g. some flink
environments don't have hadoop).
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