ql/src/test/queries/clientpositive/vector_mapjoin_reduce.q

--! qt:dataset:lineitem
set hive.mapred.mode=nonstrict;
set hive.explain.user=false;
SET hive.vectorized.execution.enabled=true;
SET hive.auto.convert.join=true;
set hive.fetch.task.conversion=none;

-- SORT_QUERY_RESULTS

-- Verify HIVE-8097 with a query that has a Vectorized MapJoin in the Reducer.
-- Query copied from subquery_in.q

-- non agg, non corr, with join in Parent Query
explain vectorization expression
select p.p_partkey, li.l_suppkey 
from (select distinct l_partkey as p_partkey from lineitem) p join lineitem li on p.p_partkey = li.l_partkey 
where li.l_linenumber = 1 and
 li.l_orderkey in (select l_orderkey from lineitem where l_shipmode = 'AIR')
;

select p.p_partkey, li.l_suppkey 
from (select distinct l_partkey as p_partkey from lineitem) p join lineitem li on p.p_partkey = li.l_partkey 
where li.l_linenumber = 1 and
 li.l_orderkey in (select l_orderkey from lineitem where l_shipmode = 'AIR')
;

-- non agg, corr, with join in Parent Query
explain vectorization expression
select p.p_partkey, li.l_suppkey 
from (select distinct l_partkey as p_partkey from lineitem) p join lineitem li on p.p_partkey = li.l_partkey 
where li.l_linenumber = 1 and
 li.l_orderkey in (select l_orderkey from lineitem where l_shipmode = 'AIR' and l_linenumber = li.l_linenumber)
;

select p.p_partkey, li.l_suppkey 
from (select distinct l_partkey as p_partkey from lineitem) p join lineitem li on p.p_partkey = li.l_partkey 
where li.l_linenumber = 1 and
 li.l_orderkey in (select l_orderkey from lineitem where l_shipmode = 'AIR' and l_linenumber = li.l_linenumber)
;