1
0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-06-09 06:41:19 +03:00
2022-01-21 16:43:49 +00:00

289 lines
9.3 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <string>
#include <stdexcept>
#include <typeinfo>
using namespace std;
#include <cppunit/extensions/HelperMacros.h>
#include <sstream>
#include <exception>
#include <iostream>
#include <unistd.h>
#include "messagequeue.h"
#include "bytestream.h"
using namespace messageqcpp;
#include "calpontselectexecutionplan.h"
#include "simplefilter.h"
#include "simplecolumn.h"
#include "expressionparser.h"
#include "constantcolumn.h"
#include "treenodeimpl.h"
#include "operator.h"
#include "arithmeticcolumn.h"
#include "aggregatecolumn.h"
#include "existsfilter.h"
#include "selectfilter.h"
using namespace execplan;
class TPCH_EXECPLAN : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE(TPCH_EXECPLAN);
CPPUNIT_TEST(Q1);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp()
{
}
void tearDown()
{
}
void Q1()
{
string sql =
"\
select\
supp_nation,\
cust_nation,\
l_year,\
sum(volume) as revenue\
from\
(\
select\
n1.n_name as supp_nation,\
n2.n_name as cust_nation,\
extract(year from l_shipdate) as l_year,\
l_extendedprice * (1 - l_discount) as volume\
from\
supplier,\
lineitem,\
orders,\
customer,\
nation n1,\
nation n2\
where\
s_suppkey = l_suppkey\
and o_orderkey = l_orderkey\
and c_custkey = o_custkey\
and s_nationkey = n1.n_nationkey\
and c_nationkey = n2.n_nationkey\
and (\
(n1.n_name = ':1' and n2.n_name = ':2')\
or (n1.n_name = ':2' and n2.n_name = ':1')\
)\
and l_shipdate between date '1995-01-01' and date '1996-12-31'\
) as shipping\
group by\
supp_nation,\
cust_nation,\
l_year\
order by\
supp_nation,\
cust_nation,\
l_year;";
CalpontSelectExecutionPlan csep;
// Returned columns
CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;
// these columns are from the temp table of FROM clause.
// I hereby give schema name "calpont", table name "FROMTABLE",
// and alias name "shipping"
SimpleColumn* c1 = new SimpleColumn("calpont.FROMTABLE.supp_nation");
c1->tableAlias("shipping");
returnedColumnList.push_back(c1);
SimpleColumn* c2 = new SimpleColumn("calpont.FROMTABLE.cust_nation");
c2->tableAlias("shipping");
returnedColumnList.push_back(c2);
SimpleColumn* c3 = new SimpleColumn("tpch.lineitem.l_year");
returnedColumnList.push_back(c3);
ArithmeticColumn* c4 = new ArithmeticColumn("sum(volumn)");
c4->alias("revenue");
returnedColumnList.push_back(c4);
csep.returnedCols(returnedColumnList);
// from subselect
CalpontSelectExecutionPlan* subsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::FROM);
// subselect returned columns
CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
SimpleColumn* sc1 = new SimpleColumn("tpch.nation.n_name");
sc1->alias("supp_nation");
sc1->tableAlias("n1");
subReturnedColList.push_back(sc1);
SimpleColumn* sc2 = new SimpleColumn("tpch.nation.n_name");
sc1->alias("cust_nation");
sc1->tableAlias("n2");
subReturnedColList.push_back(sc2);
ArithmeticColumn* sc3 = new ArithmeticColumn("extract(year from tpch.lineitem.l_shipdate)");
sc3->alias("l_year");
subReturnedColList.push_back(sc3);
ArithmeticColumn* sc4 =
new ArithmeticColumn("tpch.lineitem.l_extendeprice * (1-tpch.lineitem.l_discount)");
sc3->alias("volume");
subReturnedColList.push_back(sc4);
subsep->returnedCols(subReturnedColList);
// subselect filters
CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;
SimpleFilter* sf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_suppkey"),
new SimpleColumn("tpch.lineitem.l_suppkey"));
subFilterTokenList.push_back(sf1);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.orders.o_orderkey"),
new SimpleColumn("tpch.lineitem.l_orderkey"));
subFilterTokenList.push_back(sf2);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf3 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.customer.c_custkey"),
new SimpleColumn("tpch.orders.o_custkey"));
subFilterTokenList.push_back(sf3);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn* n1 = new SimpleColumn("tpch.nation.n_nationkey");
n1->tableAlias("n1");
SimpleFilter* sf4 =
new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"), n1);
subFilterTokenList.push_back(sf4);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn* n2 = new SimpleColumn("tpch.nation.n_nationkey");
n2->tableAlias("n2");
SimpleFilter* sf5 =
new SimpleFilter(new Operator("="), new SimpleColumn("tpch.customer.c_nationkey"), n2);
subFilterTokenList.push_back(sf5);
subFilterTokenList.push_back(new Operator("and"));
// ((n1.n_name = ':1' and n2.n_name = ':2')
// or (n1.n_name = ':2' and n2.n_name = ':1'))
subFilterTokenList.push_back(new Operator("("));
subFilterTokenList.push_back(new Operator("("));
SimpleColumn* n1_name = new SimpleColumn("tpch.nation.n_name");
n1_name->tableAlias("n1");
SimpleFilter* sf6 = new SimpleFilter(new Operator("="), n1_name, new ConstantColumn(":1"));
subFilterTokenList.push_back(sf6);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn* n2_name = new SimpleColumn("tpch.nation.n_name");
n1_name->tableAlias("n2");
SimpleFilter* sf7 = new SimpleFilter(new Operator("="), n2_name, new ConstantColumn(":2"));
subFilterTokenList.push_back(sf7);
subFilterTokenList.push_back(new Operator(")"));
subFilterTokenList.push_back(new Operator("or"));
subFilterTokenList.push_back(new Operator("("));
SimpleFilter* sf8 =
new SimpleFilter(new Operator("="), new SimpleColumn(*n1_name), new ConstantColumn(":2"));
subFilterTokenList.push_back(sf8);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf9 =
new SimpleFilter(new Operator("="), new SimpleColumn(*n2_name), new ConstantColumn(":1"));
subFilterTokenList.push_back(sf9);
subFilterTokenList.push_back(new Operator(")"));
subFilterTokenList.push_back(new Operator(")"));
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf10 = new SimpleFilter(new Operator(">="), new SimpleColumn("tpch.lineitem.l_shipdate"),
new ConstantColumn("1995-01-01"));
subFilterTokenList.push_back(sf10);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf11 = new SimpleFilter(new Operator("<="), new SimpleColumn("tpch.lineitem.l_shipdate"),
new ConstantColumn("1995-01-06"));
subFilterTokenList.push_back(sf11);
subsep->filterTokenList(subFilterTokenList);
// end of subselect in FROM. push FROM subselect to selectList
// NOTE: only FROM subselect needs to be pushed into selectList.
// Subselects in WHERE or HAVING clause are in where or having
// filter parse tree. It may make more sense to change the member
// fSelectList of CSEP class to fFromSubSelect (type CSEP*)
CalpontSelectExecutionPlan::SelectList fromSubSelectList;
fromSubSelectList.push_back(subsep);
csep.subSelects(fromSubSelectList);
ParseTree* pt = const_cast<ParseTree*>(subsep->filters());
pt->drawTree("q7.dot");
// Group by
CalpontSelectExecutionPlan::GroupByColumnList groupByList;
SimpleColumn* g1 = new SimpleColumn(*c1);
groupByList.push_back(g1);
SimpleColumn* g2 = new SimpleColumn(*c2);
groupByList.push_back(g2);
SimpleColumn* g3 = new SimpleColumn(*c3);
groupByList.push_back(g3);
csep.groupByCols(groupByList);
// Order by
CalpontSelectExecutionPlan::OrderByColumnList orderByList;
SimpleColumn* o1 = new SimpleColumn(*c1);
orderByList.push_back(o1);
SimpleColumn* o2 = new SimpleColumn(*c2);
orderByList.push_back(o2);
SimpleColumn* o3 = new SimpleColumn(*c3);
orderByList.push_back(o3);
csep.orderByCols(orderByList);
cout << csep;
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TPCH_EXECPLAN);
#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/ui/text/TestRunner.h>
int main(int argc, char** argv)
{
CppUnit::TextUi::TestRunner runner;
CppUnit::TestFactoryRegistry& registry = CppUnit::TestFactoryRegistry::getRegistry();
runner.addTest(registry.makeTest());
bool wasSuccessful = runner.run("", false);
return (wasSuccessful ? 0 : 1);
}