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);
}