org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprVarCharScalarStringGroupColumn 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;
/**
* Compute IF(expr1, expr2, expr3) for 3 input column expressions.
* The first is always a boolean (LongColumnVector).
* The second is a string scalar.
* The third is a string column or non-constant expression result.
*/
public class IfExprVarCharScalarStringGroupColumn extends IfExprStringScalarStringGroupColumn {
private static final long serialVersionUID = 1L;
public IfExprVarCharScalarStringGroupColumn(int arg1Column, HiveVarchar arg2Scalar, int arg3Column, int outputColumn) {
super(arg1Column, arg2Scalar.getValue().getBytes(), arg3Column, outputColumn);
}
public IfExprVarCharScalarStringGroupColumn() {
super();
}
@Override
public VectorExpressionDescriptor.Descriptor getDescriptor() {
return (new VectorExpressionDescriptor.Builder())
.setMode(
VectorExpressionDescriptor.Mode.PROJECTION)
.setNumArguments(3)
.setArgumentTypes(
VectorExpressionDescriptor.ArgumentType.INT_FAMILY,
VectorExpressionDescriptor.ArgumentType.VARCHAR,
VectorExpressionDescriptor.ArgumentType.STRING_FAMILY)
.setInputExpressionTypes(
VectorExpressionDescriptor.InputExpressionType.COLUMN,
VectorExpressionDescriptor.InputExpressionType.SCALAR,
VectorExpressionDescriptor.InputExpressionType.COLUMN).build();
}
}