mariadb-columnstore-engine/dbcon/execplan/tdriver1.cpp

/* 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 "treenode.h"
#include "operator.h"
#include "arithmeticcolumn.h"
#include "aggregatecolumn.h"
#include "existsfilter.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\
        	l_returnflag,\
        	l_linestatus,\
        	sum(l_quantity) as sum_qty,\
        	sum(l_extendedprice) as sum_base_price,\
        	sum(l_extendedprice * (1 - l_discount)) as sum_disc_price,\
        	sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge,\
        	avg(l_quantity) as avg_qty,\
        	avg(l_extendedprice) as avg_price,\
        	avg(l_discount) as avg_disc,\
        	count(*) as count_order\
        from\
        	lineitem\
        where\
        	l_shipdate <= date '1998-12-01' - interval ':1' day (3)\
        group by\
        	l_returnflag,\
        	l_linestatus\
        order by\
	        l_returnflag,\
	        l_linestatus;";

    CalpontSelectExecutionPlan csep;

    // Returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;

    SimpleColumn* c1 = new SimpleColumn("tpch.lineitem.l_returnflag");
    returnedColumnList.push_back(c1);

    SimpleColumn* c2 = new SimpleColumn("tpch.lineitem.l_linestatus");
    returnedColumnList.push_back(c2);

    ArithmeticColumn* c3 = new ArithmeticColumn("sum(tpch.lineitem.l_quantity)");
    c3->alias("sum_qty");
    returnedColumnList.push_back(c3);

    ArithmeticColumn* c4 = new ArithmeticColumn("sum(tpch.lineitem.l_extendedprice)");
    c4->alias("sum_base_price");
    returnedColumnList.push_back(c4);

    ArithmeticColumn* c5 =
        new ArithmeticColumn("sum(tpch.lineitem.l_extendedprice * (1 - tpch.lineitem.l_discount))");
    c5->alias("sum_disc_price");
    returnedColumnList.push_back(c5);

    ArithmeticColumn* c6 = new ArithmeticColumn("avg(tpch.lineitem.l_quantity)");
    c6->alias("avg_qty");
    returnedColumnList.push_back(c6);

    ArithmeticColumn* c7 = new ArithmeticColumn("avg(tpch.lineitem.l_extendedprice)");
    c6->alias("avg_price");
    returnedColumnList.push_back(c7);

    ArithmeticColumn* c8 = new ArithmeticColumn("avg(tpch.lineitem.l_discount)");
    c8->alias("avg_disc");
    returnedColumnList.push_back(c8);

    // count(*) -> count(ALL)
    ArithmeticColumn* c9 = new ArithmeticColumn("count(ALL)");
    c9->alias("count_order");
    returnedColumnList.push_back(c9);

    csep.returnedCols(returnedColumnList);

    // Filters
    CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
    SimpleFilter* f1 = new SimpleFilter(new Operator("<="), new SimpleColumn("tpch.lineitem.l_shipdate"),
                                        new ArithmeticColumn("date('1998-12-01')"));
    filterTokenList.push_back(f1);
    csep.filterTokenList(filterTokenList);

    // Group by
    CalpontSelectExecutionPlan::GroupByColumnList groupByList;
    SimpleColumn* g1 = new SimpleColumn(*c1);
    groupByList.push_back(g1);

    SimpleColumn* g2 = new SimpleColumn(*c2);
    groupByList.push_back(g2);

    csep.groupByCols(groupByList);

    // Order by
    CalpontSelectExecutionPlan::OrderByColumnList orderByList;
    SimpleColumn* o1 = new SimpleColumn(*g1);
    orderByList.push_back(o1);

    SimpleColumn* o2 = new SimpleColumn(*g2);
    orderByList.push_back(o2);

    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);
}