mirror of
https://github.com/apache/impala.git
synced 2026-01-05 03:01:02 -05:00
2a449651da
Change-Id: Ie845e0edb684f13421eea41327b1571b368db21a Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4370 Reviewed-by: Nong Li <nong@cloudera.com> Tested-by: jenkins
87 lines
1.4 KiB
Plaintext
87 lines
1.4 KiB
Plaintext
====
|
|
---- QUERY
|
|
set max_block_mgr_memory=45m;
|
|
select l_orderkey, count(*)
|
|
from lineitem
|
|
group by 1
|
|
order by 1 limit 10;
|
|
---- RESULTS
|
|
1,6
|
|
2,1
|
|
3,6
|
|
4,1
|
|
5,3
|
|
6,1
|
|
7,7
|
|
32,6
|
|
33,4
|
|
34,3
|
|
---- TYPES
|
|
BIGINT, BIGINT
|
|
====
|
|
---- QUERY
|
|
# Test query with string intermediate state.
|
|
set max_block_mgr_memory=50m;
|
|
select l_orderkey, avg(l_orderkey)
|
|
from lineitem
|
|
group by 1
|
|
order by 1 limit 5;
|
|
---- RESULTS
|
|
1,1
|
|
2,2
|
|
3,3
|
|
4,4
|
|
5,5
|
|
---- TYPES
|
|
BIGINT, DOUBLE
|
|
====
|
|
---- QUERY
|
|
# Test query with string grouping column
|
|
set max_block_mgr_memory=120m;
|
|
select l_comment, count(*)
|
|
from lineitem
|
|
group by 1
|
|
order by count(*) desc limit 5;
|
|
---- RESULTS
|
|
' furiously',943
|
|
' carefully',893
|
|
' carefully ',875
|
|
'carefully ',854
|
|
' furiously ',845
|
|
---- TYPES
|
|
STRING, BIGINT
|
|
====
|
|
---- QUERY
|
|
# Test query with string grouping column and string agg columns
|
|
set max_block_mgr_memory=70m;
|
|
select l_returnflag, l_orderkey, round(avg(l_tax),2), min(l_shipmode)
|
|
from lineitem
|
|
group by 1,2
|
|
order by 1,2 limit 3;
|
|
---- RESULTS
|
|
'A',3,0.05,'RAIL'
|
|
'A',5,0.03,'AIR'
|
|
'A',6,0.03,'TRUCK'
|
|
---- TYPES
|
|
STRING, BIGINT, DOUBLE, STRING
|
|
====
|
|
---- QUERY
|
|
set max_block_mgr_memory=250m;
|
|
select count(l1.l_tax)
|
|
from
|
|
lineitem l1,
|
|
lineitem l2,
|
|
lineitem l3
|
|
where
|
|
l1.l_tax < 0.01 and
|
|
l2.l_tax < 0.04 and
|
|
l1.l_orderkey = l2.l_orderkey and
|
|
l1.l_orderkey = l3.l_orderkey and
|
|
l1.l_comment = l3.l_comment and
|
|
l1.l_shipdate = l3.l_shipdate;
|
|
---- RESULTS
|
|
1846743
|
|
---- TYPES
|
|
BIGINT
|
|
====
|