org.apache.hadoop.hive.ql.exec.vector.expressions.VarCharScalarConcatStringGroupCol Maven / Gradle / Ivy
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/**
* 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.common.type.HiveVarchar;
import org.apache.hadoop.hive.ql.exec.vector.VectorExpressionDescriptor;
/**
* Vectorized instruction to concatenate a scalar to a string column and put
* the result in an output column.
*/
public class VarCharScalarConcatStringGroupCol extends StringScalarConcatStringGroupCol {
private static final long serialVersionUID = 1L;
public VarCharScalarConcatStringGroupCol(HiveVarchar value, int colNum, int outputColumn) {
super(value.getValue().getBytes(), colNum, outputColumn);
}
public VarCharScalarConcatStringGroupCol() {
super();
}
@Override
public VectorExpressionDescriptor.Descriptor getDescriptor() {
return (new VectorExpressionDescriptor.Builder())
.setMode(
VectorExpressionDescriptor.Mode.PROJECTION)
.setNumArguments(2)
.setArgumentTypes(
VectorExpressionDescriptor.ArgumentType.VARCHAR,
VectorExpressionDescriptor.ArgumentType.STRING_FAMILY)
.setInputExpressionTypes(
VectorExpressionDescriptor.InputExpressionType.SCALAR,
VectorExpressionDescriptor.InputExpressionType.COLUMN).build();
}
}