[GitHub] [hive] abstractdog commented on a diff in pull request #2921: HIVE-21100: Allow flattening of union subdirectories

["abstractdog (via GitHub)" <gi...@apache.org>]

abstractdog commented on code in PR #2921:
URL: https://github.com/apache/hive/pull/2921#discussion_r1332845759


##########
ql/src/test/queries/clientpositive/union_flatten_subdir.q:
##########
@@ -0,0 +1,19 @@
+set hive.tez.union.flatten.subdirectories=true;

Review Comment:
   this test should be extended to certain scenarios:
   
   1. acid/mm/non-acid
   2. direct insert on/off
   3. union flattening on/off



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