mariadb-columnstore-engine/dbcon/execplan/tdriver11.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\
    	ps_partkey,\
    	sum(ps_supplycost * ps_availqty) as value\
    from\
    	partsupp,\
    	supplier,\
    	nation\
    where\
    	ps_suppkey = s_suppkey\
    	and s_nationkey = n_nationkey\
    	and n_name = ':1'\
    group by\
    	ps_partkey having\
    		sum(ps_supplycost * ps_availqty) > (\
    			select\
    				sum(ps_supplycost * ps_availqty) * :2\
    			from\
    				partsupp,\
    				supplier,\
    				nation\
    			where\
    				ps_suppkey = s_suppkey\
    				and s_nationkey = n_nationkey\
    				and n_name = ':1'\
    		)\
    order by\
    	value desc;";

    CalpontSelectExecutionPlan csep;

    // Returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;

    SimpleColumn* c1 = new SimpleColumn("tpch.partsupp.ps_partkey");
    returnedColumnList.push_back(c1);

    ArithmeticColumn* c2 = new ArithmeticColumn("sum(tpch.partsupp.ps_supplycost*tpch.partsupp.ps_availqty)");
    c2->alias("value");
    returnedColumnList.push_back(c2);

    csep.returnedCols(returnedColumnList);

    // Where filters
    CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
    SimpleFilter* sf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.partsupp.ps_suppkey"),
                                         new SimpleColumn("tpch.supplier.s_suppkey"));
    filterTokenList.push_back(sf1);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"),
                                         new SimpleColumn("tpch.nation.n_nationkey"));
    filterTokenList.push_back(sf2);
    filterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf3 =
        new SimpleFilter(new Operator("="), new SimpleColumn("tpch.nation.n_name"), new ConstantColumn(":1"));
    filterTokenList.push_back(sf3);
    csep.filterTokenList(filterTokenList);

    // Group by
    CalpontSelectExecutionPlan::GroupByColumnList groupByList;
    SimpleColumn* g1 = new SimpleColumn("tpch.partsupp.ps_partkey");
    groupByList.push_back(g1);

    // Having
    CalpontSelectExecutionPlan::FilterTokenList havingTokenList;

    ArithmeticColumn* hc = new ArithmeticColumn("sum(tpch.partsupp.ps_supplycost*tpch.partsupp.ps_availqty)");

    // sub select in having
    CalpontSelectExecutionPlan* subsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::HAVING);

    // subselect returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
    ArithmeticColumn* sc1 =
        new ArithmeticColumn("sum(tpch.partsupp.ps_supplycost*tpch.partsupp.ps_availqty)*':2'");
    subReturnedColList.push_back(sc1);

    subsep->returnedCols(subReturnedColList);

    // subselect filters
    CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;

    SimpleFilter* subsf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.partsupp.ps_suppkey"),
                                            new SimpleColumn("tpch.supplier.s_suppkey"));
    subFilterTokenList.push_back(subsf1);

    subFilterTokenList.push_back(new Operator("and"));
    SimpleFilter* subsf2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"),
                                            new SimpleColumn("tpch.nation.n_nationkey"));
    subFilterTokenList.push_back(subsf2);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* subsf3 =
        new SimpleFilter(new Operator("="), new SimpleColumn("tpch.nation.n_name"), new ConstantColumn(":1"));
    subFilterTokenList.push_back(subsf3);

    subsep->filterTokenList(subFilterTokenList);

    SelectFilter* sef = new SelectFilter(hc, new Operator(">"), subsep);
    havingTokenList.push_back(sef);

    csep.havingTokenList(havingTokenList);

    // ParseTree* pt = const_cast<ParseTree*>(subsep->filters());
    // pt->drawTree("q7.dot");

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