mariadb-columnstore-engine/dbcon/execplan/tdriver5.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\
	        n_name,\
	        sum(l_extendedprice * (1 - l_discount)) as revenue\
        from\
        	customer,\
        	orders,\
        	lineitem,\
        	supplier,\
        	nation,\
        	region\
        where\
        	c_custkey = o_custkey\
        	and l_orderkey = o_orderkey\
        	and l_suppkey = s_suppkey\
        	and c_nationkey = s_nationkey\
        	and s_nationkey = n_nationkey\
        	and n_regionkey = r_regionkey\
        	and r_name = ':1'\
        	and o_orderdate >= date ':2'\
        	and o_orderdate < date ':2' + interval '1' year\
        group by\
        	n_name\
        order by\
        	revenue desc;";

    CalpontSelectExecutionPlan csep;

    // Returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;

    SimpleColumn* c1 = new SimpleColumn("tpch.nation.n_name");
    returnedColumnList.push_back(c1);

    ArithmeticColumn* c2 =
        new ArithmeticColumn("sum(tpch.lineitem.l_extendedprice * (1 - tpch.lineitem.l_discount))");
    c2->alias("revenue");
    returnedColumnList.push_back(c2);

    csep.returnedCols(returnedColumnList);

    // Filters
    CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
    SimpleFilter* f1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.customer.c_custkey"),
                                        new SimpleColumn("tpch.orders.o_custkey"));
    filterTokenList.push_back(f1);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* f2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.lineitem.l_orderkey"),
                                        new SimpleColumn("tpch.orders.o_orderkey"));
    filterTokenList.push_back(f2);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* f3 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.lineitem.l_suppkey"),
                                        new SimpleColumn("tpch.supplier.s_suppkey"));
    filterTokenList.push_back(f3);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* f4 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.customer.c_nationkey"),
                                        new SimpleColumn("tpch.supplier.s_nationkey"));
    filterTokenList.push_back(f4);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* f5 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nstionkey"),
                                        new SimpleColumn("tpch.nation.n_nationkey"));
    filterTokenList.push_back(f5);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* f6 =
        new SimpleFilter(new Operator("="), new SimpleColumn("tpch.region.r_name"), new ConstantColumn(":1"));
    filterTokenList.push_back(f6);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f7 = new SimpleFilter(new Operator(">="), new SimpleColumn("tpch.orders.o_orderdate"),
                                        new ArithmeticColumn("date(':2')"));
    filterTokenList.push_back(f7);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* f8 = new SimpleFilter(new Operator("<"), new SimpleColumn("tpch.orders.o_orderdate"),
                                        new ArithmeticColumn("date(':2') + interval ('1', year)"));
    filterTokenList.push_back(f8);

    csep.filterTokenList(filterTokenList);

    ParseTree* pt = const_cast<ParseTree*>(csep.filters());
    pt->drawTree("q5.dot");

    // Group by
    CalpontSelectExecutionPlan::GroupByColumnList groupByList;
    groupByList.push_back(c1->clone());

    csep.groupByCols(groupByList);

    // Order by
    CalpontSelectExecutionPlan::OrderByColumnList orderByList;
    ArithmeticColumn* o1 = new ArithmeticColumn(*c2);
    o1->asc(false);
    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);
}