public abstract class DecimalToStringUnaryUDF extends VectorExpression
VectorExpression.Type
childExpressions, inputTypes, outputType
Constructor and Description |
---|
DecimalToStringUnaryUDF() |
DecimalToStringUnaryUDF(int inputColumn,
int outputColumn) |
Modifier and Type | Method and Description |
---|---|
void |
evaluate(VectorizedRowBatch batch)
This is the primary method to implement expression logic.
|
protected abstract void |
func(BytesColumnVector outV,
DecimalColumnVector inV,
int i) |
VectorExpressionDescriptor.Descriptor |
getDescriptor() |
int |
getInputColumn() |
int |
getOutputColumn()
Returns the index of the output column in the array
of column vectors.
|
String |
getOutputType()
Returns type of the output column.
|
void |
setInputColumn(int inputColumn) |
void |
setOutputColumn(int outputColumn) |
evaluateChildren, getChildExpressions, getInputTypes, setChildExpressions, setInputTypes, setOutputType, toString
public DecimalToStringUnaryUDF(int inputColumn, int outputColumn)
public DecimalToStringUnaryUDF()
protected abstract void func(BytesColumnVector outV, DecimalColumnVector inV, int i)
public void evaluate(VectorizedRowBatch batch)
VectorExpression
evaluate
in class VectorExpression
public int getOutputColumn()
VectorExpression
getOutputColumn
in class VectorExpression
public void setOutputColumn(int outputColumn)
public int getInputColumn()
public void setInputColumn(int inputColumn)
public String getOutputType()
VectorExpression
getOutputType
in class VectorExpression
public VectorExpressionDescriptor.Descriptor getDescriptor()
getDescriptor
in class VectorExpression
Copyright © 2017 The Apache Software Foundation. All rights reserved.