mariadb-columnstore-engine/dbcon/execplan/tdriver17.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 "selectfilter.h"
//#include "conditionfilter.h"
//#include "existsfilter.h"

extern "C" char* cplus_demangle_with_style(const char*, int, int);
extern "C" void init_demangler(int, int, int);

using namespace execplan;

class ExecPlanTest : public CppUnit::TestFixture
{
  CPPUNIT_TEST_SUITE(ExecPlanTest);

  CPPUNIT_TEST(selectExecutionPlan_17);

  CPPUNIT_TEST_SUITE_END();

 private:
 public:
  static void walkfnString(const ParseTree* n)
  {
    char* r;
    static bool is_init = false;
    const char* mname = typeid(*(n->data())).name();

    if (!is_init)
    {
      ::init_demangler(0, 0, 0);
      is_init = true;
    }

    r = ::cplus_demangle_with_style(mname, 7, 27);

    if (r != 0)
    {
      // cout << "mangle: " << mname << " demangle: " << r << endl;
      ::free(r);
    }

    if (typeid(*(n->data())) == typeid(SimpleFilter))
    {
      cout << "SimpleFilter: " << endl;
      const SimpleFilter* sf = dynamic_cast<SimpleFilter*>(n->data());
      const ReturnedColumn* lhs = sf->lhs();
      const ReturnedColumn* rhs = sf->rhs();
      const Operator* op = sf->op();
      cout << '\t' << lhs->data() << ' ' << op->data() << ' ' << rhs->data();
      cout << endl << "\t\t";

      if (typeid(*lhs) == typeid(SimpleColumn))
      {
        cout << "SimpleColumn: " << lhs->data() << " / ";
      }
      else if (typeid(*lhs) == typeid(ConstantColumn))
      {
        cout << "ConstantColumn: " << lhs->data() << " / ";
      }
      else
      {
        cout << "UNK: " << lhs->data() << " / ";
      }

      cout << "Operator: " << op->data() << " / ";

      if (typeid(*rhs) == typeid(SimpleColumn))
      {
        cout << "SimpleColumn: " << rhs->data();
      }
      else if (typeid(*rhs) == typeid(ConstantColumn))
      {
        cout << "ConstantColumn: " << rhs->data();
      }
      else
      {
        cout << "UNK: " << rhs->data();
      }
    }
    else if (typeid(*(n->data())) == typeid(Operator))
    {
      cout << "Operator: ";
      const Operator* op = dynamic_cast<Operator*>(n->data());
      cout << '\t' << op->data();
    }
    else
    {
      cout << mname << " -x-: ";
    }

    cout << endl;
  }

  void setUp()
  {
  }

  void tearDown()
  {
  }

  void selectExecutionPlan_17()
  {
    cout << "SQL: \
select \
	sum(l_extendedprice) / 7.0 as avg_yearly \
from \
	lineitem, \
	part \
where \
	p_partkey = l_partkey \
	and p_brand = ':1' \
	and p_container = ':2' \
	and l_quantity < ( \
		select \
			0.2 * avg(l_quantity) \
		from \
			lineitem \
		where \
			l_partkey = p_partkey \
	);"
         << endl;

    /* ------------ Start Query Execution --------- */

    // This is the main query body for query 17
    CalpontSelectExecutionPlan* csep = new CalpontSelectExecutionPlan();

    // Create the Projection (returned columns)
    CalpontSelectExecutionPlan::ReturnedColumnList colList;
    AggregateColumn* c1 = new AggregateColumn();
    c1->functionName("sum");
    c1->alias("avg_yearly");
    ArithmeticColumn* a1 = new ArithmeticColumn("(l_extendedprice ) / 7.0 ");
    c1->functionParms(a1);
    colList.push_back(c1);
    csep->returnedCols(colList);  // set Projection columns

    // Filter columns
    CalpontSelectExecutionPlan::FilterTokenList csep_filterlist;

    SimpleFilter* f1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.part.p_partkey"),
                                        new SimpleColumn("tpch.lineitem.l_partkey"));
    csep_filterlist.push_back(f1);

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

    SimpleFilter* f2 =
        new SimpleFilter(new Operator("<>"), new SimpleColumn("tpch.part.p_brand"), new ConstantColumn(":1"));
    csep_filterlist.push_back(f2);

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

    SimpleFilter* f3 = new SimpleFilter(new Operator("not like"), new SimpleColumn("tpch.part.p_container"),
                                        new ConstantColumn(":2"));
    csep_filterlist.push_back(f3);

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

    /*   --------------- sub select begins here ----------------  */
    // Sub select filter
    CalpontSelectExecutionPlan* subcsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::WHERE);

    // subselect return column(s)
    CalpontSelectExecutionPlan::ReturnedColumnList subColList;

    ArithmeticColumn* sc1 = new ArithmeticColumn("0.2 * avg(l_quantity)");
    subColList.push_back(sc1);
    // Append returned columns to subselect
    subcsep->returnedCols(subColList);

    // subselect Filters
    CalpontSelectExecutionPlan::FilterTokenList subcsep_filterlist;
    SimpleFilter* sf1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.lineitem.l_suppkey"),
                                         new SimpleColumn("tpch.part.p_partkey"));
    subcsep_filterlist.push_back(sf1);

    /*   --------------- sub select ends here ----------------  */

    // CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;
    SelectFilter* f4 =
        new SelectFilter(new SimpleColumn("tpch.lineitem.l_quantity"), new Operator("<"), subcsep);

    csep_filterlist.push_back(f4);

    csep->filterTokenList(csep_filterlist);  // Set Filter Columns

    /* *** not used here **
    // Build Group By List
           CalpontSelectExecutionPlan::GroupByColumnList csep_groupbyList;
           SimpleColumn *g1 = new SimpleColumn("tpch.part.p_brand");
           csep_groupbyList.push_back(g1);
           csep->groupByCols(csep_groupbyList);  //Set GroupBy columns

    // Order By List
           CalpontSelectExecutionPlan::OrderByColumnList csep_orderbyList;
           SimpleColumn *o0 = new SimpleColumn("supplier_cnt");  // AggregateColumn has no asc/desc order
           o0->alias("supplier_cnt");
           o0->asc(false);
           csep_groupbyList.push_back(o0);
           csep->orderByCols(csep_orderbyList); //Set OrderBy columns
         */

    // Print the parse tree
    ParseTree* pt = const_cast<ParseTree*>(csep->filters());
    pt->drawTree("selectExecutionPlan_17.dot");

    cout << "\nCalpont Execution Plan:" << endl;
    cout << *csep << endl;
    cout << " --- end of test 17 ---" << endl;
  }
};

CPPUNIT_TEST_SUITE_REGISTRATION(ExecPlanTest);

#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);
}