/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 at
*
* 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 org.apache.hadoop.hive.ql.exec.vector;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.hive.ql.exec.vector.util.VectorizedRowGroupGenUtil;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.plan.ExprNodeColumnDesc;
import org.apache.hadoop.hive.ql.plan.ExprNodeDesc;
import org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc;
import org.apache.hadoop.hive.ql.plan.OperatorDesc;
import org.apache.hadoop.hive.ql.plan.SelectDesc;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDF;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPPlus;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory;
import org.junit.Test;
/**
* Unit tests for vectorized select operator.
*/
public class TestVectorSelectOperator {
static class ValidatorVectorSelectOperator extends VectorSelectOperator {
private static final long serialVersionUID = 1L;
public ValidatorVectorSelectOperator(VectorizationContext ctxt, OperatorDesc conf)
throws HiveException {
super(ctxt, conf);
initializeOp(null);
}
/**
* Override forward to do validation
*/
@Override
public void forward(Object row, ObjectInspector rowInspector) throws HiveException {
VectorizedRowBatch vrg = (VectorizedRowBatch) row;
int[] projections = vrg.projectedColumns;
assertEquals(2, vrg.projectionSize);
assertEquals(3, projections[0]);
assertEquals(2, projections[1]);
LongColumnVector out0 = (LongColumnVector) vrg.cols[projections[0]];
LongColumnVector out1 = (LongColumnVector) vrg.cols[projections[1]];
LongColumnVector in0 = (LongColumnVector) vrg.cols[0];
LongColumnVector in1 = (LongColumnVector) vrg.cols[1];
LongColumnVector in2 = (LongColumnVector) vrg.cols[2];
LongColumnVector in3 = (LongColumnVector) vrg.cols[3];
for (int i = 0; i < VectorizedRowBatch.DEFAULT_SIZE; i++) {
assertEquals(in0.vector[i] + in1.vector[i], out0.vector[i]);
assertEquals(in3.vector[i], out0.vector[i]);
assertEquals(in2.vector[i], out1.vector[i]);
}
}
}
@Test
public void testSelectOperator() throws HiveException {
Map<String, Integer> columnMap = new HashMap<String, Integer>();
columnMap.put("a", 0); columnMap.put("b", 1); columnMap.put("c", 2);
VectorizationContext vc = new VectorizationContext(columnMap, 3);
SelectDesc selDesc = new SelectDesc(false);
List<ExprNodeDesc> colList = new ArrayList<ExprNodeDesc>();
ExprNodeColumnDesc colDesc1 = new ExprNodeColumnDesc(Long.class, "a", "table", false);
ExprNodeColumnDesc colDesc2 = new ExprNodeColumnDesc(Long.class, "b", "table", false);
ExprNodeColumnDesc colDesc3 = new ExprNodeColumnDesc(Long.class, "c", "table", false);
ExprNodeGenericFuncDesc plusDesc = new ExprNodeGenericFuncDesc();
GenericUDF gudf = new GenericUDFOPPlus();
plusDesc.setGenericUDF(gudf);
List<ExprNodeDesc> children = new ArrayList<ExprNodeDesc>();
children.add(colDesc1);
children.add(colDesc2);
plusDesc.setChildren(children);
plusDesc.setTypeInfo(TypeInfoFactory.longTypeInfo);
colList.add(plusDesc);
colList.add(colDesc3);
selDesc.setColList(colList);
List<String> outputColNames = new ArrayList<String>();
outputColNames.add("_col0");
outputColNames.add("_col1");
selDesc.setOutputColumnNames(outputColNames);
ValidatorVectorSelectOperator vso = new ValidatorVectorSelectOperator(vc, selDesc);
VectorizedRowBatch vrg = VectorizedRowGroupGenUtil.getVectorizedRowBatch(
VectorizedRowBatch.DEFAULT_SIZE, 4, 17);
vso.processOp(vrg, 0);
}
}