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

Class CastDecimalToChar

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.CastDecimalToChar

All Implemented Interfaces:

Serializable, TruncStringOutput

public class CastDecimalToChar
extends CastDecimalToString
implements TruncStringOutput

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.VectorExpression

childExpressions, inputColumnNum, inputDataTypePhysicalVariations, inputTypeInfos, LOG, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected void	assign(BytesColumnVector outV, int i, byte[] bytes, int offset, int length)
int	getMaxLength()
void	setMaxLength(int maxLength)
String	vectorExpressionParameters()

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

func, transientInit

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

evaluate, getDescriptor

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

displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getChildExpressionsForTransientInit, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, shouldConvertDecimal64ToDecimal, supportsCheckedExecution, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CastDecimalToChar

public CastDecimalToChar()

CastDecimalToChar

public CastDecimalToChar(int inputColumn,
                         int outputColumnNum)

Method Detail

assign

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

Overrides:

assign in class CastDecimalToString

getMaxLength

public int getMaxLength()

Specified by:

getMaxLength in interface TruncStringOutput

setMaxLength

public void setMaxLength(int maxLength)

Specified by:

setMaxLength in interface TruncStringOutput

vectorExpressionParameters

public String vectorExpressionParameters()

Overrides:

vectorExpressionParameters in class DecimalToStringUnaryUDF