mariadb-columnstore-engine/dbcon/execplan/tdriver2.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 "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\
            s_acctbal,\
            s_name,\
            n_name,\
            p_partkey, \
            p_mfgr,\
            s_address,\
            s_phone,\
            s_comment\
    from\
            part,\
            supplier,\
            partsupp,\
            nation,\
            region\
    where\
            p_partkey = ps_partkey\
            and s_suppkey = ps_suppkey\
            and p_size = :1\
            and p_type like '%:2'\
            and s_nationkey = n_nationkey\
            and n_regionkey = r_regionkey\
            and r_name = ':3'\
            and ps_supplycost = (\
                    select\
                            min(ps_supplycost)\
                    from\
                            partsupp,\
                            supplier,\
                            nation,\
                            region\
                    where\
                            p_partkey = ps_partkey\
                            and s_suppkey = ps_suppkey\
                            and s_nationkey = n_nationkey\
                            and n_regionkey = r_regionkey\
                            and r_name = ':3'\
            )\
    order by\
            s_acctbal desc,\
            n_name,\
            s_name,\
            p_partkey;";

    CalpontSelectExecutionPlan csep;

    // Returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;

    SimpleColumn* c1 = new SimpleColumn("tpch.supplier.s_acctbal");
    returnedColumnList.push_back(c1);

    SimpleColumn* c2 = new SimpleColumn("tpch.supplier.s_name");
    returnedColumnList.push_back(c2);

    SimpleColumn* c3 = new SimpleColumn("tpch.nation.n_name");
    returnedColumnList.push_back(c3);

    SimpleColumn* c4 = new SimpleColumn("tpch.part.p_partkey");
    returnedColumnList.push_back(c4);

    SimpleColumn* c5 = new SimpleColumn("tpch.part.p_mfgr");
    returnedColumnList.push_back(c5);

    SimpleColumn* c6 = new SimpleColumn("tpch.supplier.s_address");
    returnedColumnList.push_back(c6);

    SimpleColumn* c7 = new SimpleColumn("tpch.supplier.s_phone");
    returnedColumnList.push_back(c7);

    SimpleColumn* c8 = new SimpleColumn("tpch.supplier.s_comment");
    returnedColumnList.push_back(c8);

    csep.returnedCols(returnedColumnList);

    // Filters
    CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
    SimpleFilter* f1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_partkey"),
                                        new SimpleColumn("tpch.partsupp.ps_partkey"));
    filterTokenList.push_back(f1);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_suppkey"),
                                        new SimpleColumn("tpch.partsupp.ps_suppkey"));
    filterTokenList.push_back(f2);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f3 =
        new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_size"), new ConstantColumn(1));
    filterTokenList.push_back(f3);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f4 = new SimpleFilter(new Operator("like"), new SimpleColumn("tpch.part.p_type"),
                                        new ConstantColumn(":2"));
    filterTokenList.push_back(f4);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f5 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"),
                                        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.nation.n_regionkey"),
                                        new SimpleColumn("tpch.region.r_regionkey"));
    filterTokenList.push_back(f6);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f7 =
        new SimpleFilter(new Operator("="), new SimpleColumn("tpch.region.r_name"), new ConstantColumn(":3"));
    filterTokenList.push_back(f7);
    filterTokenList.push_back(new Operator("and"));

    // sub select execution plan for select filter
    CalpontSelectExecutionPlan* subsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::WHERE);

    // subselect returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
    ArithmeticColumn* sc1 = new ArithmeticColumn("min(tpch.partsupp.ps_supplycost)");
    subReturnedColList.push_back(sc1);
    subsep->returnedCols(subReturnedColList);

    // subselect filters
    CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;

    SimpleFilter* sf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_partkey"),
                                         new SimpleColumn("tpch.partsupp.ps_partkey"));
    subFilterTokenList.push_back(sf1);

    subFilterTokenList.push_back(new Operator("and"));
    SimpleFilter* sf2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_partkey"),
                                         new SimpleColumn("tpch.partsupp.ps_partkey"));
    subFilterTokenList.push_back(sf2);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf3 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"),
                                         new SimpleColumn("tpch.nation.n_nationkey"));
    subFilterTokenList.push_back(sf3);
    subFilterTokenList.push_back(new Operator("and"));
    SimpleFilter* sf4 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.nation.n_regionkey"),
                                         new SimpleColumn("tpch.region.r_regionkey"));
    subFilterTokenList.push_back(sf4);
    subFilterTokenList.push_back(new Operator("and"));
    SimpleFilter* sf5 =
        new SimpleFilter(new Operator("="), new SimpleColumn("tpch.region.r_name"), new ConstantColumn(":3"));
    subFilterTokenList.push_back(sf5);

    subsep->filterTokenList(subFilterTokenList);

    // end of sub select
    SelectFilter* f8 =
        new SelectFilter(new SimpleColumn("tpch.partsupp.ps_supplycost"), new Operator("="), subsep);

    filterTokenList.push_back(f8);
    csep.filterTokenList(filterTokenList);

    // ParseTree* pt = const_cast<ParseTree*>(csep.filters());
    // pt->drawTree("q2.dot");

    // Order by
    CalpontSelectExecutionPlan::OrderByColumnList orderByList;
    SimpleColumn* o1 = new SimpleColumn(*c1);
    o1->asc(false);
    orderByList.push_back(o1);

    SimpleColumn* o2 = new SimpleColumn(*c3);
    orderByList.push_back(o2);

    SimpleColumn* o3 = new SimpleColumn(*c2);
    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);
}