mariadb-columnstore-engine/dbcon/execplan/tdriver9.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\
	nation,\
	o_year,\
	sum(amount) as sum_profit\
from\
	(\
		select\
			n_name as nation,\
			extract(year from o_orderdate) as o_year,\
			l_extendedprice * (1 - l_discount) - ps_supplycost * l_quantity as amount\
		from\
			part,\
			supplier,\
			lineitem,\
			partsupp,\
			orders,\
			nation\
		where\
			s_suppkey = l_suppkey\
			and ps_suppkey = l_suppkey\
			and ps_partkey = l_partkey\
			and p_partkey = l_partkey\
			and o_orderkey = l_orderkey\
			and s_nationkey = n_nationkey\
			and p_name like '%:1%'\
	) as profit\
group by\
	nation,\
	o_year\
order by\
	nation,\
	o_year desc;";

    CalpontSelectExecutionPlan csep;

    // Returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;

    // these columns are from the temp table of FROM clause.
    // I hereby give schema name "calpont", table name "FROMTABLE",
    SimpleColumn* c1 = new SimpleColumn("tpch.nation.n_name");
    c1->tableAlias("profit");
    c1->alias("nation");
    returnedColumnList.push_back(c1);
    ArithmeticColumn* c2 = new ArithmeticColumn("extract(year from tpch.orders.o_orderdate)");
    c2->tableAlias("profit");
    c2->tableAlias("o_year");
    returnedColumnList.push_back(c2);
    ArithmeticColumn* c3 = new ArithmeticColumn("sum(amount)");
    c3->alias("sum_profit");
    returnedColumnList.push_back(c3);

    csep.returnedCols(returnedColumnList);

    // subselect in FROM clause
    CalpontSelectExecutionPlan* subsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::FROM);

    // subselect returned columns
    CalpontSelectExecutionPlan::ReturnedColumnList subReturnedColList;
    SimpleColumn* sc1 = new SimpleColumn("tpch.nation.n_name");
    sc1->alias("nation");
    sc1->tableAlias("profit");
    subReturnedColList.push_back(sc1);

    ArithmeticColumn* sc2 = new ArithmeticColumn("extract(year from tpch.orders.o_orderdate)");
    sc2->alias("o_year");
    sc2->tableAlias("profit");
    subReturnedColList.push_back(sc2);

    ArithmeticColumn* sc3 = new ArithmeticColumn(
        "tpch.lineitem.l_extendeprice * (1-tpch.lineitem.l_discount)- tpch.partsupp.ps_supplycost * "
        "tpch.lineitem.l_quantity");
    sc3->alias("amount");
    sc3->tableAlias("shipping");
    subReturnedColList.push_back(sc3);

    subsep->returnedCols(subReturnedColList);

    // subselect filters
    CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;

    SimpleFilter* sf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_suppkey"),
                                         new SimpleColumn("tpch.lineitem.l_suppkey"));
    subFilterTokenList.push_back(sf1);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf2 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.partsupp.ps_suppkey"),
                                         new SimpleColumn("tpch.lineitem.l_suppkey"));
    subFilterTokenList.push_back(sf2);

    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf3 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.partsupp.ps_partkey"),
                                         new SimpleColumn("tpch.lineitem.l_partkey"));
    subFilterTokenList.push_back(sf3);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf4 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_partkey"),
                                         new SimpleColumn("tpch.lineitem.l_partkey"));
    subFilterTokenList.push_back(sf4);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf5 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.order.o_orderkey"),
                                         new SimpleColumn("tpch.lineitem.l_orderkey"));
    subFilterTokenList.push_back(sf5);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf6 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_nationkey"),
                                         new SimpleColumn("tpch.nation.n_nationkey"));
    subFilterTokenList.push_back(sf6);
    subFilterTokenList.push_back(new Operator("and"));

    SimpleFilter* sf7 = new SimpleFilter(new Operator("like"), new SimpleColumn("tpch.part.p_name"),
                                         new ConstantColumn("%:1%"));
    subFilterTokenList.push_back(sf7);

    subsep->filterTokenList(subFilterTokenList);
    subsep->tableAlias("profit");

    CalpontSelectExecutionPlan::SelectList fromSubSelectList;
    fromSubSelectList.push_back(subsep);
    csep.subSelects(fromSubSelectList);

    ParseTree* pt = const_cast<ParseTree*>(subsep->filters());
    pt->drawTree("q9.dot");

    // Group by
    CalpontSelectExecutionPlan::GroupByColumnList groupByList;
    SimpleColumn* g1 = new SimpleColumn(*c1);
    groupByList.push_back(g1);
    // ArithmeticColumn *g2 = new ArithmeticColumn (*c2);
    groupByList.push_back(c2->clone());
    csep.groupByCols(groupByList);

    // Order by
    CalpontSelectExecutionPlan::OrderByColumnList orderByList;
    SimpleColumn* o1 = new SimpleColumn(*c1);
    orderByList.push_back(o1);
    ArithmeticColumn* o2 = c2->clone();
    o2->asc(false);
    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);
}