org.apache.hadoop.hive.ql.exec.vector.expressions

Class CastDecimalToVarChar

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

org.apache.hadoop.hive.ql.exec.vector.expressions.DecimalToStringUnaryUDF

org.apache.hadoop.hive.ql.exec.vector.expressions.CastDecimalToString

org.apache.hadoop.hive.ql.exec.vector.expressions.CastDecimalToVarChar

All Implemented Interfaces:

Serializable, TruncStringOutput

public class CastDecimalToVarChar
extends CastDecimalToString
implements TruncStringOutput

To support vectorized cast of decimal to string.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

VectorExpression.Type

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

childExpressions, inputTypes, outputType

Constructor Summary

Constructors

Constructor and Description
CastDecimalToVarChar()
CastDecimalToVarChar(int inputColumn, int outputColumn)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	assign(BytesColumnVector outV, int i, byte[] bytes, int length)
int	getMaxLength()
String	getOutputType() Returns type of the output column.
void	setMaxLength(int maxLength)

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.CastDecimalToString

func

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.DecimalToStringUnaryUDF

evaluate, getDescriptor, getInputColumn, getOutputColumn, setInputColumn, setOutputColumn

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

evaluateChildren, getChildExpressions, getInputTypes, setChildExpressions, setInputTypes, setOutputType, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CastDecimalToVarChar

public CastDecimalToVarChar()

CastDecimalToVarChar

public CastDecimalToVarChar(int inputColumn,
                    int outputColumn)

Method Detail

assign

protected void assign(BytesColumnVector outV,
          int i,
          byte[] bytes,
          int length)

Overrides:

assign in class CastDecimalToString

getOutputType

public String getOutputType()

Description copied from class: VectorExpression

Returns type of the output column.

Overrides:

getOutputType in class DecimalToStringUnaryUDF

getMaxLength

public int getMaxLength()

Specified by:

getMaxLength in interface TruncStringOutput

setMaxLength

public void setMaxLength(int maxLength)

Specified by:

setMaxLength in interface TruncStringOutput