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

Class CastDecimalToString

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

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

CastDecimalToChar, CastDecimalToVarChar

public class CastDecimalToString
extends DecimalToStringUnaryUDF

To support vectorized cast of decimal to string.

See Also:

Serialized Form

Field Summary

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

inputColumn

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

childExpressions, inputDataTypePhysicalVariations, inputTypeInfos, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo

Constructor Summary

Constructors

Constructor and Description
CastDecimalToString()
CastDecimalToString(int inputColumn, int outputColumnNum)

Method Summary

Modifier and Type	Method and Description
protected void	assign(org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector outV, int i, byte[] bytes, int offset, int length)
protected void	func(org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector outV, org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector inV, int i)
void	transientInit()

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

evaluate, getDescriptor, vectorExpressionParameters

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

displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, supportsCheckedExecution, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CastDecimalToString

public CastDecimalToString()

CastDecimalToString

public CastDecimalToString(int inputColumn,
                           int outputColumnNum)

Method Detail

transientInit

public void transientInit()
                   throws HiveException

Overrides:

transientInit in class VectorExpression

Throws:

HiveException

assign

protected void assign(org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector outV,
                      int i,
                      byte[] bytes,
                      int offset,
                      int length)

func

protected void func(org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector outV,
                    org.apache.hadoop.hive.ql.exec.vector.DecimalColumnVector inV,
                    int i)

Specified by:

func in class DecimalToStringUnaryUDF