public class VectorUDFAdaptor extends VectorExpression
VectorExpression.Type
childExpressions, inputTypes, outputType
Constructor and Description |
---|
VectorUDFAdaptor() |
VectorUDFAdaptor(ExprNodeGenericFuncDesc expr,
int outputColumn,
String resultType,
VectorUDFArgDesc[] argDescs) |
Modifier and Type | Method and Description |
---|---|
void |
evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
This is the primary method to implement expression logic.
|
VectorUDFArgDesc[] |
getArgDescs() |
VectorExpressionDescriptor.Descriptor |
getDescriptor() |
ExprNodeGenericFuncDesc |
getExpr() |
int |
getOutputColumn()
Returns the index of the output column in the array
of column vectors.
|
String |
getOutputType()
Returns type of the output column.
|
String |
getResultType() |
void |
init() |
void |
setArgDescs(VectorUDFArgDesc[] argDescs) |
void |
setExpr(ExprNodeGenericFuncDesc expr) |
void |
setOutputColumn(int outputColumn) |
void |
setResultType(String resultType) |
String |
vectorExpressionParameters() |
displayArrayOfUtf8ByteArrays, displayUtf8Bytes, evaluateChildren, getChildExpressions, getInputTypes, init, setChildExpressions, setInputTypes, setOutputType, toString
public VectorUDFAdaptor()
public VectorUDFAdaptor(ExprNodeGenericFuncDesc expr, int outputColumn, String resultType, VectorUDFArgDesc[] argDescs) throws HiveException
HiveException
public void init() throws HiveException, UDFArgumentException
HiveException
UDFArgumentException
public void evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
VectorExpression
evaluate
in class VectorExpression
public int getOutputColumn()
VectorExpression
getOutputColumn
in class VectorExpression
public void setOutputColumn(int outputColumn)
public String getOutputType()
VectorExpression
getOutputType
in class VectorExpression
public String getResultType()
public void setResultType(String resultType)
public VectorUDFArgDesc[] getArgDescs()
public void setArgDescs(VectorUDFArgDesc[] argDescs)
public ExprNodeGenericFuncDesc getExpr()
public void setExpr(ExprNodeGenericFuncDesc expr)
public String vectorExpressionParameters()
vectorExpressionParameters
in class VectorExpression
public VectorExpressionDescriptor.Descriptor getDescriptor()
getDescriptor
in class VectorExpression
Copyright © 2021 The Apache Software Foundation. All rights reserved.