mariadb-columnstore-engine/dbcon/execplan/tdriver4.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\
	    o_orderpriority,\
	    count(*) as order_count\
    from\
    	orders\
    where\
    	o_orderdate >= date ':1'\
    	and o_orderdate < date ':1' + interval '3' month\
    	and exists (\
    		select\
    			*\
    		from\
    			lineitem\
    		where\
    			l_orderkey = o_orderkey\
    			and l_commitdate < l_receiptdate\
    	)\
    group by\
    	o_orderpriority\
    order by\
    	o_orderpriority;";

    CalpontSelectExecutionPlan csep;

    // Returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;

    SimpleColumn* c1 = new SimpleColumn("tpch.orders.o_orderpriority");
    returnedColumnList.push_back(c1);

    ArithmeticColumn* c2 = new ArithmeticColumn("count(ALL)");
    c2->alias("order_count");
    returnedColumnList.push_back(c2);

    csep.returnedCols(returnedColumnList);

    // Filters
    CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
    SimpleFilter* f1 = new SimpleFilter(new Operator(">="), new SimpleColumn("tpch.orders.o_orderdate"),
                                        new ConstantColumn("1998-05-01"));
    filterTokenList.push_back(f1);
    filterTokenList.push_back(new Operator("and"));
    SimpleFilter* f2 = new SimpleFilter(new Operator("<"), new SimpleColumn("tpch.orders.o_orderdate"),
                                        new ConstantColumn("1999-05-01"));
    filterTokenList.push_back(f2);
    filterTokenList.push_back(new Operator("and"));

    // subselect for exists
    CalpontSelectExecutionPlan* subcsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::WHERE);
    // select * (lineitem)
    CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
    SimpleColumn* sc1 = new SimpleColumn("tpch.lineitem.l_orderkey");
    SimpleColumn* sc2 = new SimpleColumn("tpch.lineitem.l_partkey");
    SimpleColumn* sc3 = new SimpleColumn("tpch.lineitem.l_suppkey");
    SimpleColumn* sc4 = new SimpleColumn("tpch.lineitem.l_linenumber");
    SimpleColumn* sc5 = new SimpleColumn("tpch.lineitem.l_extendedprice");
    SimpleColumn* sc6 = new SimpleColumn("tpch.lineitem.l_tax");
    SimpleColumn* sc7 = new SimpleColumn("tpch.lineitem.l_returnflag");
    SimpleColumn* sc8 = new SimpleColumn("tpch.lineitem.l_linestatus");
    SimpleColumn* sc9 = new SimpleColumn("tpch.lineitem.l_commitdate");
    SimpleColumn* sc10 = new SimpleColumn("tpch.lineitem.l_receiptdate");
    SimpleColumn* sc11 = new SimpleColumn("tpch.lineitem.l_shipinstruct");
    SimpleColumn* sc12 = new SimpleColumn("tpch.lineitem.l_shipmode");
    SimpleColumn* sc13 = new SimpleColumn("tpch.lineitem.l_comment");

    subReturnedColList.push_back(sc1);
    subReturnedColList.push_back(sc2);
    subReturnedColList.push_back(sc3);
    subReturnedColList.push_back(sc4);
    subReturnedColList.push_back(sc5);
    subReturnedColList.push_back(sc6);
    subReturnedColList.push_back(sc7);
    subReturnedColList.push_back(sc8);
    subReturnedColList.push_back(sc9);
    subReturnedColList.push_back(sc10);
    subReturnedColList.push_back(sc11);
    subReturnedColList.push_back(sc12);
    subReturnedColList.push_back(sc13);

    subcsep->returnedCols(subReturnedColList);

    // filters of subselect
    CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;
    SimpleFilter* ssf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.lineitem.l_orderkey"),
                                          new SimpleColumn("tpch.orders.o_orderkey"));
    subFilterTokenList.push_back(ssf1);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* ssf2 = new SimpleFilter(new Operator("<"), new SimpleColumn("tpch.lineitem.l_commitdate"),
                                          new SimpleColumn("tpch.lineitem.l_receiptdate"));
    subFilterTokenList.push_back(ssf2);
    subcsep->filterTokenList(subFilterTokenList);

    // back to parent select exist filter
    ExistsFilter* exists = new ExistsFilter(subcsep);
    filterTokenList.push_back(exists);
    csep.filterTokenList(filterTokenList);

    ParseTree* pt = const_cast<ParseTree*>(csep.filters());
    pt->drawTree("q4.dot");

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

    // 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);
}