org.apache.hadoop.hive.ql.exec.vector.expressions.StringTrimCol Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.hadoop.hive.ql.exec.vector.expressions;
import org.apache.hadoop.hive.ql.exec.vector.VectorExpressionDescriptor;
import java.nio.charset.StandardCharsets;
import static org.apache.hadoop.hive.ql.udf.generic.GenericUDFBaseTrim.DEFAULT_TRIM_CHARS;
public class StringTrimCol extends StringTrimColScalar {
private static final long serialVersionUID = 1L;
public StringTrimCol(int inputColumn, int outputColumnNum) {
super(inputColumn, DEFAULT_TRIM_CHARS.getBytes(StandardCharsets.UTF_8), outputColumnNum);
}
public StringTrimCol() {
super();
}
@Override
public VectorExpressionDescriptor.Descriptor getDescriptor() {
VectorExpressionDescriptor.Builder b = new VectorExpressionDescriptor.Builder();
b.setMode(VectorExpressionDescriptor.Mode.PROJECTION)
.setNumArguments(1)
.setArgumentTypes(
VectorExpressionDescriptor.ArgumentType.STRING_FAMILY)
.setInputExpressionTypes(
VectorExpressionDescriptor.InputExpressionType.COLUMN);
return b.build();
}
}