/**
* 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.expressions;
import org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector;
import org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector;
import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
/**
* Cast input double to a decimal. Get target value scale from output column vector.
*/
public class CastDoubleToDecimal extends FuncDoubleToDecimal {
private static final long serialVersionUID = 1L;
public CastDoubleToDecimal() {
super();
}
public CastDoubleToDecimal(int inputColumn, int outputColumn) {
super(inputColumn, outputColumn);
}
@Override
protected void func(DecimalColumnVector outV, DoubleColumnVector inV, int i) {
HiveDecimalWritable decWritable = outV.vector[i];
decWritable.setFromDouble(inV.vector[i]);
if (!decWritable.isSet()) {
outV.isNull[i] = true;
outV.noNulls = false;
}
}
}