Mostafa Mokhtar created HIVE-10153:
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Summary: CBO (Calcite Return Path): TPC-DS Q15 in-efficient join
order
Key: HIVE-10153
URL: https://issues.apache.org/jira/browse/HIVE-10153
Project: Hive
Issue Type: Bug
Components: CBO
Affects Versions: cbo-branch
Reporter: Mostafa Mokhtar
Assignee: Laljo John Pullokkaran
Fix For: cbo-branch
TPC-DS Q15 joins catalog_sales with date_dim last where it should be the first
join.
Query
{code}
select ca_zip
,sum(cs_sales_price)
from catalog_sales
,customer
,customer_address
,date_dim
where catalog_sales.cs_bill_customer_sk = customer.c_customer_sk
and customer.c_current_addr_sk = customer_address.ca_address_sk
and ( substr(ca_zip,1,5) in ('85669', '86197','88274','83405','86475',
'85392', '85460', '80348', '81792')
or customer_address.ca_state in ('CA','WA','GA')
or catalog_sales.cs_sales_price > 500)
and catalog_sales.cs_sold_date_sk = date_dim.d_date_sk
and date_dim.d_qoy = 2 and date_dim.d_year = 2000
group by ca_zip
order by ca_zip
limit 100;
{code}
Logical plan
{code}
HiveSort(fetch=[100]): rowcount = 7171.0, cumulative cost =
{7.507729983730065E8 rows, 7.553113550983669E8 cpu, 9.08546638062188E10 io}, id
= 2207
HiveSort(sort0=[$0], dir0=[ASC]): rowcount = 7171.0, cumulative cost =
{7.502636967200102E8 rows, 7.553041840983669E8 cpu, 9.08546638062188E10 io}, id
= 2205
HiveAggregate(group=[{0}], agg#0=[sum($1)]): rowcount = 7171.0, cumulative
cost = {7.497543950670139E8 rows, 7.552970130983669E8 cpu, 9.08546638062188E10
io}, id = 2203
HiveProject($f0=[$7], $f1=[$1]): rowcount = 272862.9537571146, cumulative
cost = {7.494815321132567E8 rows, 7.518816625578996E8 cpu, 8.75951724E10 io},
id = 2201
HiveJoin(condition=[=($2, $8)], joinType=[inner],
joinAlgorithm=[map_join], cost=[{1.36661031991844E8 rows, 1.3666116243648687E8
cpu, 0.0 io}]): rowcount = 272862.9537571146, cumulative cost =
{7.494815321132567E8 rows, 7.518816625578996E8 cpu, 8.75951724E10 io}, id = 2242
HiveFilter(condition=[OR(in(substr($7, 1, 5), '85669', '86197',
'88274', '83405', '86475', '85392', '85460', '80348', '81792'), in($6, 'CA',
'WA', 'GA'), >($1, 5E2))]): rowcount = 1.3666090154720113E8, cumulative cost =
{6.128205001214128E8 rows, 6.152205001214128E8 cpu, 8.75951724E10 io}, id = 2195
HiveJoin(condition=[=($4, $5)], joinType=[inner],
joinAlgorithm=[map_join], cost=[{3.246707731214128E8 rows, 3.254707731214128E8
cpu, 4.91951724E10 io}]): rowcount = 3.6605287632468826E8, cumulative cost =
{6.128205001214128E8 rows, 6.152205001214128E8 cpu, 8.75951724E10 io}, id = 2238
HiveJoin(condition=[=($0, $3)], joinType=[inner],
joinAlgorithm=[map_join], cost=[{2.88149727E8 rows, 2.89749727E8 cpu, 3.84E10
io}]): rowcount = 3.238707731214128E8, cumulative cost = {2.88149727E8 rows,
2.89749727E8 cpu, 3.84E10 io}, id = 2222
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.catalog_sales]]):
rowcount = 2.86549727E8, cumulative cost = {0}, id = 2134
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.customer]]): rowcount =
1600000.0, cumulative cost = {0}, id = 2135
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.customer_address]]):
rowcount = 800000.0, cumulative cost = {0}, id = 2137
HiveFilter(condition=[AND(=($2, 2), =($1, 2000))]): rowcount =
130.44464285714287, cumulative cost = {0.0 rows, 0.0 cpu, 0.0 io}, id = 2197
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.date_dim]]):
rowcount = 73049.0, cumulative cost = {0}, id = 2140
{code}
— Re-write
{code}
with cs as
( select cs_sales_price,cs_bill_customer_sk
from catalog_sales
,date_dim
where
cs_sold_date_sk = d_date_sk
and date_dim.d_qoy = 2 and d_year = 2000)
select ca_zip
,sum(cs_sales_price)
from cs
,customer
,customer_address
where cs.cs_bill_customer_sk = customer.c_customer_sk
and customer.c_current_addr_sk = customer_address.ca_address_sk
and ( substr(ca_zip,1,5) in ('85669', '86197','88274','83405','86475',
'85392', '85460', '80348', '81792')
or customer_address.ca_state in ('CA','WA','GA')
or cs.cs_sales_price > 500)
group by ca_zip
order by ca_zip
limit 100
{code}
— plan for re-write
{code}
HiveSort(fetch=[100]): rowcount = 7171.0, cumulative cost =
{2.9146011517152977E8 rows, 2.949706092384584E8 cpu, 3.261369809075945E9 io},
id = 1990
HiveSort(sort0=[$0], dir0=[ASC]): rowcount = 7171.0, cumulative cost =
{2.909508135185335E8 rows, 2.949634382384584E8 cpu, 3.261369809075945E9 io}, id
= 1988
HiveAggregate(group=[{0}], agg#0=[sum($1)]): rowcount = 7171.0, cumulative
cost = {2.904415118655373E8 rows, 2.949562672384584E8 cpu, 3.261369809075945E9
io}, id = 1986
HiveProject($f0=[$6], $f1=[$0]): rowcount = 272862.9537571146, cumulative
cost = {2.901686489117802E8 rows, 2.915409166979911E8 cpu, 1878402.8571428573
io}, id = 1984
HiveFilter(condition=[OR(in(substr($6, 1, 5), '85669', '86197',
'88274', '83405', '86475', '85392', '85460', '80348', '81792'), in($5, 'CA',
'WA', 'GA'), >($0, 5E2))]): rowcount = 272862.9537571146, cumulative cost =
{2.901686489117802E8 rows, 2.915409166979911E8 cpu, 1878402.8571428573 io}, id
= 1982
HiveProject(cs_sales_price=[$5], cs_bill_customer_sk=[$6],
c_customer_sk=[$3], c_current_addr_sk=[$4], ca_address_sk=[$0], ca_state=[$1],
ca_zip=[$2]): rowcount = 730876.7023664336, cumulative cost =
{2.901686489117802E8 rows, 2.915409166979911E8 cpu, 1878402.8571428573 io}, id
= 2030
HiveJoin(condition=[=($4, $0)], joinType=[inner],
joinAlgorithm=[map_join], cost=[{1446654.1255692376 rows, 2246654.1255692374
cpu, 0.0 io}]): rowcount = 730876.7023664336, cumulative cost =
{2.901686489117802E8 rows, 2.915409166979911E8 cpu, 1878402.8571428573 io}, id
= 2028
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.customer_address]]):
rowcount = 800000.0, cumulative cost = {0}, id = 1917
HiveJoin(condition=[=($3, $0)], joinType=[inner],
joinAlgorithm=[map_join], cost=[{2172137.341568095 rows, 2744274.6831361903
cpu, 0.0 io}]): rowcount = 646654.1255692376, cumulative cost =
{2.8872199478621095E8 rows, 2.8929426257242185E8 cpu, 1878402.8571428573 io},
id = 2012
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.customer]]): rowcount =
1600000.0, cumulative cost = {0}, id = 1915
HiveProject(cs_sales_price=[$1], cs_bill_customer_sk=[$0]):
rowcount = 572137.341568095, cumulative cost = {2.8654985744464284E8 rows,
2.865499878892857E8 cpu, 1878402.8571428573 io}, id = 1976
HiveJoin(condition=[=($2, $3)], joinType=[inner],
joinAlgorithm=[map_join], cost=[{2.8654985744464284E8 rows, 2.865499878892857E8
cpu, 1878402.8571428573 io}]): rowcount = 572137.341568095, cumulative cost =
{2.8654985744464284E8 rows, 2.865499878892857E8 cpu, 1878402.8571428573 io}, id
= 2005
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.catalog_sales]]):
rowcount = 2.86549727E8, cumulative cost = {0}, id = 1910
HiveFilter(condition=[AND(=($2, 2), =($1, 2000))]):
rowcount = 130.44464285714287, cumulative cost = {0.0 rows, 0.0 cpu, 0.0 io},
id = 1972
HiveTableScan(table=[[tpcds_bin_partitioned_orc_200_1.date_dim]]): rowcount =
73049.0, cumulative cost = {0}, id = 1911
{code}
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