/*
 * Copyright 2009-2010 by The Regents of the University of California
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * you may obtain a copy of the License from
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package edu.uci.ics.hyracks.tests.integration;

import java.io.File;

import org.junit.Test;

import edu.uci.ics.hyracks.api.comm.IFrameTupleAccessor;
import edu.uci.ics.hyracks.api.constraints.PartitionConstraintHelper;
import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor;
import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparator;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.INullWriterFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer;
import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparator;
import edu.uci.ics.hyracks.api.dataflow.value.ITuplePairComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
import edu.uci.ics.hyracks.api.dataset.ResultSetId;
import edu.uci.ics.hyracks.api.io.FileReference;
import edu.uci.ics.hyracks.api.job.JobSpecification;
import edu.uci.ics.hyracks.data.std.accessors.PointableBinaryComparatorFactory;
import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable;
import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer;
import edu.uci.ics.hyracks.dataflow.common.data.parsers.IValueParserFactory;
import edu.uci.ics.hyracks.dataflow.common.data.parsers.UTF8StringParserFactory;
import edu.uci.ics.hyracks.dataflow.std.connectors.MToNReplicatingConnectorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.connectors.OneToOneConnectorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.file.ConstantFileSplitProvider;
import edu.uci.ics.hyracks.dataflow.std.file.DelimitedDataTupleParserFactory;
import edu.uci.ics.hyracks.dataflow.std.file.FileScanOperatorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.file.FileSplit;
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
import edu.uci.ics.hyracks.dataflow.std.join.NestedLoopJoinOperatorDescriptor;
import edu.uci.ics.hyracks.dataflow.std.result.ResultWriterOperatorDescriptor;
import edu.uci.ics.hyracks.tests.util.NoopNullWriterFactory;
import edu.uci.ics.hyracks.tests.util.ResultSerializerFactoryProvider;

public class TPCHCustomerOrderNestedLoopJoinTest extends AbstractIntegrationTest {
    private static class JoinComparatorFactory implements ITuplePairComparatorFactory {
        private static final long serialVersionUID = 1L;

        private final IBinaryComparatorFactory bFactory;
        private final int pos0;
        private final int pos1;

        public JoinComparatorFactory(IBinaryComparatorFactory bFactory, int pos0, int pos1) {
            this.bFactory = bFactory;
            this.pos0 = pos0;
            this.pos1 = pos1;
        }

        @Override
        public ITuplePairComparator createTuplePairComparator(IHyracksTaskContext ctx) {
            return new JoinComparator(bFactory.createBinaryComparator(), pos0, pos1);
        }
    }

    private static class JoinComparator implements ITuplePairComparator {

        private final IBinaryComparator bComparator;
        private final int field0;
        private final int field1;

        public JoinComparator(IBinaryComparator bComparator, int field0, int field1) {
            this.bComparator = bComparator;
            this.field0 = field0;
            this.field1 = field1;
        }

        @Override
        public int compare(IFrameTupleAccessor accessor0, int tIndex0, IFrameTupleAccessor accessor1, int tIndex1) {
            int tStart0 = accessor0.getTupleStartOffset(tIndex0);
            int fStartOffset0 = accessor0.getFieldSlotsLength() + tStart0;

            int tStart1 = accessor1.getTupleStartOffset(tIndex1);
            int fStartOffset1 = accessor1.getFieldSlotsLength() + tStart1;

            int fStart0 = accessor0.getFieldStartOffset(tIndex0, field0);
            int fEnd0 = accessor0.getFieldEndOffset(tIndex0, field0);
            int fLen0 = fEnd0 - fStart0;

            int fStart1 = accessor1.getFieldStartOffset(tIndex1, field1);
            int fEnd1 = accessor1.getFieldEndOffset(tIndex1, field1);
            int fLen1 = fEnd1 - fStart1;

            int c = bComparator.compare(accessor0.getBuffer().array(), fStart0 + fStartOffset0, fLen0, accessor1
                    .getBuffer().array(), fStart1 + fStartOffset1, fLen1);
            if (c != 0) {
                return c;
            }
            return 0;
        }
    }

    /*
     * TPCH Customer table: CREATE TABLE CUSTOMER ( C_CUSTKEY INTEGER NOT NULL,
     * C_NAME VARCHAR(25) NOT NULL, C_ADDRESS VARCHAR(40) NOT NULL, C_NATIONKEY
     * INTEGER NOT NULL, C_PHONE CHAR(15) NOT NULL, C_ACCTBAL DECIMAL(15,2) NOT
     * NULL, C_MKTSEGMENT CHAR(10) NOT NULL, C_COMMENT VARCHAR(117) NOT NULL );
     * TPCH Orders table: CREATE TABLE ORDERS ( O_ORDERKEY INTEGER NOT NULL,
     * O_CUSTKEY INTEGER NOT NULL, O_ORDERSTATUS CHAR(1) NOT NULL, O_TOTALPRICE
     * DECIMAL(15,2) NOT NULL, O_ORDERDATE DATE NOT NULL, O_ORDERPRIORITY
     * CHAR(15) NOT NULL, O_CLERK CHAR(15) NOT NULL, O_SHIPPRIORITY INTEGER NOT
     * NULL, O_COMMENT VARCHAR(79) NOT NULL );
     */
    @Test
    public void customerOrderCIDJoin() throws Exception {
        JobSpecification spec = new JobSpecification();

        FileSplit[] custSplits = new FileSplit[] { new FileSplit(NC1_ID, new FileReference(new File(
                "data/tpch0.001/customer.tbl"))) };
        IFileSplitProvider custSplitsProvider = new ConstantFileSplitProvider(custSplits);
        RecordDescriptor custDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE });

        FileSplit[] ordersSplits = new FileSplit[] { new FileSplit(NC1_ID, new FileReference(new File(
                "data/tpch0.001/orders.tbl"))) };
        IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits);
        RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        RecordDescriptor custOrderJoinDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE }, '|'), ordersDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, ordScanner, NC1_ID);

        FileScanOperatorDescriptor custScanner = new FileScanOperatorDescriptor(spec, custSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE }, '|'), custDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, custScanner, NC1_ID);

        NestedLoopJoinOperatorDescriptor join = new NestedLoopJoinOperatorDescriptor(spec, new JoinComparatorFactory(
                PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY), 1, 0), custOrderJoinDesc, 4, false,
                null);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, join, NC1_ID);

        ResultSetId rsId = new ResultSetId(1);
        spec.addResultSetId(rsId);

        IOperatorDescriptor printer = new ResultWriterOperatorDescriptor(spec, rsId, false,
                ResultSerializerFactoryProvider.INSTANCE.getResultSerializerFactoryProvider());
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC1_ID);

        IConnectorDescriptor ordJoinConn = new OneToOneConnectorDescriptor(spec);
        spec.connect(ordJoinConn, ordScanner, 0, join, 0);

        IConnectorDescriptor custJoinConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(custJoinConn, custScanner, 0, join, 1);

        IConnectorDescriptor joinPrinterConn = new OneToOneConnectorDescriptor(spec);
        spec.connect(joinPrinterConn, join, 0, printer, 0);

        spec.addRoot(printer);
        runTest(spec);
    }

    @Test
    public void customerOrderCIDJoinMulti() throws Exception {
        JobSpecification spec = new JobSpecification();

        FileSplit[] custSplits = new FileSplit[] {
                new FileSplit(NC1_ID, new FileReference(new File("data/tpch0.001/customer-part1.tbl"))),
                new FileSplit(NC2_ID, new FileReference(new File("data/tpch0.001/customer-part2.tbl"))) };
        IFileSplitProvider custSplitsProvider = new ConstantFileSplitProvider(custSplits);
        RecordDescriptor custDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE });

        FileSplit[] ordersSplits = new FileSplit[] {
                new FileSplit(NC1_ID, new FileReference(new File("data/tpch0.001/orders-part1.tbl"))),
                new FileSplit(NC2_ID, new FileReference(new File("data/tpch0.001/orders-part2.tbl"))) };
        IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits);
        RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        RecordDescriptor custOrderJoinDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE }, '|'), ordersDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, ordScanner, NC1_ID, NC2_ID);

        FileScanOperatorDescriptor custScanner = new FileScanOperatorDescriptor(spec, custSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE }, '|'), custDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, custScanner, NC1_ID, NC2_ID);

        NestedLoopJoinOperatorDescriptor join = new NestedLoopJoinOperatorDescriptor(spec, new JoinComparatorFactory(
                PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY), 1, 0), custOrderJoinDesc, 5, false,
                null);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, join, NC1_ID, NC2_ID);

        ResultSetId rsId = new ResultSetId(1);
        spec.addResultSetId(rsId);

        IOperatorDescriptor printer = new ResultWriterOperatorDescriptor(spec, rsId, false,
                ResultSerializerFactoryProvider.INSTANCE.getResultSerializerFactoryProvider());
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC1_ID);

        IConnectorDescriptor ordJoinConn = new OneToOneConnectorDescriptor(spec);
        spec.connect(ordJoinConn, ordScanner, 0, join, 0);

        IConnectorDescriptor custJoinConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(custJoinConn, custScanner, 0, join, 1);

        IConnectorDescriptor joinPrinterConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(joinPrinterConn, join, 0, printer, 0);

        spec.addRoot(printer);
        runTest(spec);
    }

    @Test
    public void customerOrderCIDJoinAutoExpand() throws Exception {
        JobSpecification spec = new JobSpecification();

        FileSplit[] custSplits = new FileSplit[] {
                new FileSplit(NC1_ID, new FileReference(new File("data/tpch0.001/customer-part1.tbl"))),
                new FileSplit(NC2_ID, new FileReference(new File("data/tpch0.001/customer-part2.tbl"))) };
        IFileSplitProvider custSplitsProvider = new ConstantFileSplitProvider(custSplits);
        RecordDescriptor custDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE });

        FileSplit[] ordersSplits = new FileSplit[] {
                new FileSplit(NC1_ID, new FileReference(new File("data/tpch0.001/orders-part1.tbl"))),
                new FileSplit(NC2_ID, new FileReference(new File("data/tpch0.001/orders-part2.tbl"))) };
        IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits);
        RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        RecordDescriptor custOrderJoinDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE }, '|'), ordersDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, ordScanner, NC1_ID, NC2_ID);

        FileScanOperatorDescriptor custScanner = new FileScanOperatorDescriptor(spec, custSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE }, '|'), custDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, custScanner, NC1_ID, NC2_ID);

        NestedLoopJoinOperatorDescriptor join = new NestedLoopJoinOperatorDescriptor(spec, new JoinComparatorFactory(
                PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY), 1, 0), custOrderJoinDesc, 6, false,
                null);
        PartitionConstraintHelper.addPartitionCountConstraint(spec, join, 2);

        ResultSetId rsId = new ResultSetId(1);
        spec.addResultSetId(rsId);

        IOperatorDescriptor printer = new ResultWriterOperatorDescriptor(spec, rsId, false,
                ResultSerializerFactoryProvider.INSTANCE.getResultSerializerFactoryProvider());
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC1_ID);

        IConnectorDescriptor ordJoinConn = new OneToOneConnectorDescriptor(spec);
        spec.connect(ordJoinConn, ordScanner, 0, join, 0);

        IConnectorDescriptor custJoinConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(custJoinConn, custScanner, 0, join, 1);

        IConnectorDescriptor joinPrinterConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(joinPrinterConn, join, 0, printer, 0);

        spec.addRoot(printer);
        runTest(spec);
    }

    @Test
    public void customerOrderCIDOuterJoinMulti() throws Exception {
        JobSpecification spec = new JobSpecification();

        FileSplit[] custSplits = new FileSplit[] {
                new FileSplit(NC1_ID, new FileReference(new File("data/tpch0.001/customer-part1.tbl"))),
                new FileSplit(NC2_ID, new FileReference(new File("data/tpch0.001/customer-part2.tbl"))) };
        IFileSplitProvider custSplitsProvider = new ConstantFileSplitProvider(custSplits);
        RecordDescriptor custDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE });

        FileSplit[] ordersSplits = new FileSplit[] {
                new FileSplit(NC1_ID, new FileReference(new File("data/tpch0.001/orders-part1.tbl"))),
                new FileSplit(NC2_ID, new FileReference(new File("data/tpch0.001/orders-part2.tbl"))) };
        IFileSplitProvider ordersSplitsProvider = new ConstantFileSplitProvider(ordersSplits);
        RecordDescriptor ordersDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        RecordDescriptor custOrderJoinDesc = new RecordDescriptor(new ISerializerDeserializer[] {
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE, UTF8StringSerializerDeserializer.INSTANCE,
                UTF8StringSerializerDeserializer.INSTANCE });

        FileScanOperatorDescriptor ordScanner = new FileScanOperatorDescriptor(spec, ordersSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE }, '|'), ordersDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, ordScanner, NC1_ID, NC2_ID);

        FileScanOperatorDescriptor custScanner = new FileScanOperatorDescriptor(spec, custSplitsProvider,
                new DelimitedDataTupleParserFactory(new IValueParserFactory[] { UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE, UTF8StringParserFactory.INSTANCE,
                        UTF8StringParserFactory.INSTANCE }, '|'), custDesc);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, custScanner, NC1_ID, NC2_ID);

        INullWriterFactory[] nullWriterFactories = new INullWriterFactory[ordersDesc.getFieldCount()];
        for (int j = 0; j < nullWriterFactories.length; j++) {
            nullWriterFactories[j] = NoopNullWriterFactory.INSTANCE;
        }

        NestedLoopJoinOperatorDescriptor join = new NestedLoopJoinOperatorDescriptor(spec, new JoinComparatorFactory(
                PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY), 1, 0), custOrderJoinDesc, 5, true,
                nullWriterFactories);
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, join, NC1_ID, NC2_ID);

        ResultSetId rsId = new ResultSetId(1);
        spec.addResultSetId(rsId);

        IOperatorDescriptor printer = new ResultWriterOperatorDescriptor(spec, rsId, false,
                ResultSerializerFactoryProvider.INSTANCE.getResultSerializerFactoryProvider());
        PartitionConstraintHelper.addAbsoluteLocationConstraint(spec, printer, NC1_ID);

        IConnectorDescriptor ordJoinConn = new OneToOneConnectorDescriptor(spec);
        spec.connect(ordJoinConn, ordScanner, 0, join, 0);

        IConnectorDescriptor custJoinConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(custJoinConn, custScanner, 0, join, 1);

        IConnectorDescriptor joinPrinterConn = new MToNReplicatingConnectorDescriptor(spec);
        spec.connect(joinPrinterConn, join, 0, printer, 0);

        spec.addRoot(printer);
        runTest(spec);
    }

}