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2022-01-21 16:43:49 +00:00

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/* 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\
o_year,\
sum(decode(nation, ':1', volumn, 0)) / sum(volume) as mkt_share\
from\
(\
select\
extract(year from o_orderdate) as o_year,\
l_extendedprice * (1 - l_discount) as volume,\
n2.n_name as nation\
from\
part,\
supplier,\
lineitem,\
orders,\
customer,\
nation n1,\
nation n2,\
region\
where\
p_partkey = l_partkey\
and s_suppkey = l_suppkey\
and l_orderkey = o_orderkey\
and o_custkey = c_custkey\
and c_nationkey = n1.n_nationkey\
and n1.n_regionkey = r_regionkey\
and r_name = ':2'\
and s_nationkey = n2.n_nationkey\
and o_orderdate between date '1995-01-01' and date '1996-12-31'\
and p_type = ':3'\
) as all_nations\
group by\
o_year\
order by\
o_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",
SimpleColumn* c1 = new SimpleColumn("calpont.FROMTABLE.o_year");
returnedColumnList.push_back(c1);
ArithmeticColumn* c2 = new ArithmeticColumn(
"sum(decode(calpont.FROMTABLE.nation, ':1', calpont.FROMTABLE.volumn, "
"0))/sum(tpch.FROMTABLE.volumn)");
returnedColumnList.push_back(c2);
csep.returnedCols(returnedColumnList);
// subselect in FROM clause
CalpontSelectExecutionPlan* subsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::FROM);
// subselect returned columns
CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
ArithmeticColumn* sc1 = new ArithmeticColumn("extract(year from tpch.orders.o_orderdate)");
sc1->alias("o_year");
subReturnedColList.push_back(sc1);
ArithmeticColumn* sc2 =
new ArithmeticColumn("tpch.lineitem.l_extendeprice * (1-tpch.lineitem.l_discount)");
sc2->alias("volume");
subReturnedColList.push_back(sc2);
SimpleColumn* sc3 = new SimpleColumn("tpch.nation.n_name");
sc3->tableAlias("n2");
subReturnedColList.push_back(sc3);
subsep->returnedCols(subReturnedColList);
// subselect filters
CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;
SimpleFilter* sf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_partkey"),
new SimpleColumn("tpch.lineitem.l_partkey"));
subFilterTokenList.push_back(sf1);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_suppkey"),
new SimpleColumn("tpch.lineitem.l_suppkey"));
subFilterTokenList.push_back(sf2);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf3 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.lineitem.l_ordertkey"),
new SimpleColumn("tpch.orders.o_orderkey"));
subFilterTokenList.push_back(sf3);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf4 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.orders.o_custkey"),
new SimpleColumn("tpch.customer.c_custkey"));
subFilterTokenList.push_back(sf4);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn* n1_nationkey = new SimpleColumn("tpch.nation.n_nationkey");
n1_nationkey->tableAlias("n1");
SimpleFilter* sf5 =
new SimpleFilter(new Operator("="), new SimpleColumn("tpch.customer.c_nationkey"), n1_nationkey);
subFilterTokenList.push_back(sf5);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn* n1_regionkey = new SimpleColumn("tpch.nation.n_regionkey");
n1_regionkey->tableAlias("n1");
SimpleFilter* sf6 =
new SimpleFilter(new Operator("="), n1_regionkey, new SimpleColumn("tpch.region.r_regionkey"));
subFilterTokenList.push_back(sf6);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf7 =
new SimpleFilter(new Operator("="), new SimpleColumn("tpch.region.r_name"), new ConstantColumn(":2"));
subFilterTokenList.push_back(sf7);
subFilterTokenList.push_back(new Operator("and"));
SimpleColumn* n2_nationkey = new SimpleColumn("tpch.nation.n_nationkey");
n2_nationkey->tableAlias("n2");
SimpleFilter* sf9 =
new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"), n2_nationkey);
subFilterTokenList.push_back(sf9);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf10 = new SimpleFilter(new Operator(">="), new SimpleColumn("tpch.orders.o_orderdate"),
new ConstantColumn("1995-01-01"));
subFilterTokenList.push_back(sf10);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf11 = new SimpleFilter(new Operator("<="), new SimpleColumn("tpch.orders.o_orderdate"),
new ConstantColumn("1995-01-06"));
subFilterTokenList.push_back(sf11);
subFilterTokenList.push_back(new Operator("and"));
SimpleFilter* sf12 =
new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_type"), new ConstantColumn("3"));
subFilterTokenList.push_back(sf12);
subsep->filterTokenList(subFilterTokenList);
subsep->tableAlias("all_nations");
// 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("q8.dot");
// Group by
CalpontSelectExecutionPlan::GroupByColumnList groupByList;
SimpleColumn* g1 = new SimpleColumn(*c1);
groupByList.push_back(g1);
csep.groupByCols(groupByList);
// Order by
CalpontSelectExecutionPlan::OrderByColumnList orderByList;
SimpleColumn* o1 = new SimpleColumn(*c1);
orderByList.push_back(o1);
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);
}