lcspinter commented on code in PR #3287:
URL: https://github.com/apache/hive/pull/3287#discussion_r879553047
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/IcebergTableUtil.java:
##########
@@ -184,4 +186,27 @@ public static void updateSpec(Configuration configuration,
Table table) {
public static boolean isBucketed(Table table) {
return table.spec().fields().stream().anyMatch(f ->
f.transform().toString().startsWith("bucket["));
}
+
+ /**
+ * Roll an iceberg table's data back to a specific snapshot identified
either by id or before a given timestamp.
+ * @param configuration a Hadoop configuration
+ * @param table the iceberg table
+ */
+ public static void rollback(Configuration configuration, Table table) {
+ RollbackSpec rollbackSpec = SessionStateUtil.getResource(configuration,
hive_metastoreConstants.ROLLBACK_SPEC)
Review Comment:
Compaction is a different animal. Directly passes the compaction type
parameter to the HMS client, which will store everything in the HMS db
compaction queue.
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