[DRILL-1063] verification fails with merge join

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: Functions - Drill
• Assignee: DrillCommitter
• Reporter: Zhiyong Liu
• Created: 24/Jun/14 21:27
• Updated: 29/Apr/15 20:36
• Resolved: 07/Aug/14 03:59

Description

git.commit.id.abbrev=79c1502
git.commit.id=79c1502c1e96596d4db302c2dd1c9f78d0f4d43d

/root/open-source-drill-test/testing/framework/resources/drill-smoke/tpch-smoke-passing/testcases/join06-merge.q :
alter session set `planner.enable_hashjoin` = false

/root/open-source-drill-test/testing/framework/resources/drill-smoke/tpch-smoke-passing/testcases/join06-merge.q :

select count
from supplier s
join lineitem l on s.s_suppkey = l.l_suppkey
join orders o on o.o_orderkey = l.l_orderkey
where l.l_shipdate between date '1995-01-01' and date '1995-12-31'

/root/open-source-drill-test/testing/framework/resources/drill-smoke/tpch-smoke-passing/testcases/join06-merge.q :

alter session set `planner.enable_hashjoin` = true

Expected number of rows: 1
Actual number of rows from Drill: 1
Number of matching rows: 0
Number of rows missing: 1
Number of rows unexpected: 1

These rows are not expected (first 10):
8769

These rows are missing (first 10):
8773 (1 time(s))

Likewise for /root/open-source-drill-test/testing/framework/resources/drill-smoke/tpch-smoke-passing/testcases/join02-merge.q :

select count
from (select c.c_custkey
from customer c, orders o
where c.c_custkey = o.o_custkey) as foo

These rows are not expected (first 10):
14990

These rows are missing (first 10):
15000 (1 time(s))

Note that it makes no difference whether planner.enable_broadcast_join is turned on or off.