On Jan. 20, 2017, 6:26 p.m., Xuefu Zhang wrote: > > I think we also need to update > > ql/src/test/results/clientpositive/union_top_level.q.out > > Xuefu Zhang wrote: > No. I verified that MR's plan and result don't change at all. This is > because the keys are the same for group by and order by. > > Chao Sun wrote: > Hmm.. I'm surprised. We changed the input qfile and how come the result > is not changed? > > Xuefu Zhang wrote: > MR group by is also sorted, so the order by is something not needed so > eliminated during optimization. So you, the test didn't fail in the Jenkins > result. > > Chao Sun wrote: > No, I mean the input query is changed, so the output should also be > changed. If you look at the MR output qfile, it still has > ``` > PREHOOK: query: explain > select * from (select s1.key as k, s2.value as v from src s1 join src s2 > on (s1.key = s2.key) limit 10)a > union all > select * from (select s1.key as k, s2.value as v from src s1 join src s2 > on (s1.key = s2.key) limit 10)b > PREHOOK: type: QUERY > POSTHOOK: query: explain > select * from (select s1.key as k, s2.value as v from src s1 join src s2 > on (s1.key = s2.key) limit 10)a > union all > select * from (select s1.key as k, s2.value as v from src s1 join src s2 > on (s1.key = s2.key) limit 10)b > POSTHOOK: type: QUERY > ``` > which suggest the test is not triggered on the MR path. Anyway, maybe the > test is turned off for MR.
Yeah, Got it. Maybe. I don't believe that's a blocker. We can file a followup JIRA for this. Do you have any other comments? - Xuefu ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/55776/#review162449 ----------------------------------------------------------- On Jan. 20, 2017, 6:07 p.m., Xuefu Zhang wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/55776/ > ----------------------------------------------------------- > > (Updated Jan. 20, 2017, 6:07 p.m.) > > > Review request for hive, Chao Sun and Rui Li. > > > Bugs: HIVE-15580 > https://issues.apache.org/jira/browse/HIVE-15580 > > > Repository: hive-git > > > Description > ------- > > See JIRA description. > > > Diffs > ----- > > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/GroupByShuffler.java > e128dd2 > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/HiveReduceFunction.java > eeb4443 > > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/HiveReduceFunctionResultList.java > d57cac4 > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/ReduceTran.java 3d56876 > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/ShuffleTran.java a774395 > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SortByShuffler.java > 997ab7e > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkPlanGenerator.java > 66ffe5d > > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkReduceRecordHandler.java > 0d31e5f > ql/src/java/org/apache/hadoop/hive/ql/exec/spark/SparkShuffler.java 40e251f > ql/src/test/queries/clientpositive/union_top_level.q d93fe38 > ql/src/test/results/clientpositive/llap/union_top_level.q.out b48ab83 > ql/src/test/results/clientpositive/spark/lateral_view_explode2.q.out > 65a6e3e > ql/src/test/results/clientpositive/spark/union_remove_25.q.out 9fec1d4 > ql/src/test/results/clientpositive/spark/union_top_level.q.out c9cb5d3 > ql/src/test/results/clientpositive/spark/vector_outer_join5.q.out 9e1742f > > Diff: https://reviews.apache.org/r/55776/diff/ > > > Testing > ------- > > All test passed > > > Thanks, > > Xuefu Zhang > >