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

Class FuncRoundWithNumDigitsDecimalToDecimal

java.lang.Object

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

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

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

FuncBRoundWithNumDigitsDecimalToDecimal

public class FuncRoundWithNumDigitsDecimalToDecimal
extends VectorExpression

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
FuncRoundWithNumDigitsDecimalToDecimal()
FuncRoundWithNumDigitsDecimalToDecimal(int colNum, int scalarValue, int outputColumnNum)

Method Summary

Modifier and Type	Method and Description
void	evaluate(VectorizedRowBatch batch) This is the primary method to implement expression logic.
VectorExpressionDescriptor.Descriptor	getDescriptor()
protected void	round(int i, HiveDecimalWritable input, int decimalPlaces, DecimalColumnVector outputColVector)
String	vectorExpressionParameters()

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, transientInit

Methods inherited from class java.lang.Object

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

Constructor Detail

FuncRoundWithNumDigitsDecimalToDecimal

public FuncRoundWithNumDigitsDecimalToDecimal(int colNum,
                                              int scalarValue,
                                              int outputColumnNum)

FuncRoundWithNumDigitsDecimalToDecimal

public FuncRoundWithNumDigitsDecimalToDecimal()

Method Detail

evaluate

public void evaluate(VectorizedRowBatch batch)
              throws HiveException

Description copied from class: VectorExpression

This is the primary method to implement expression logic.

Specified by:

evaluate in class VectorExpression

Throws:

HiveException

vectorExpressionParameters

public String vectorExpressionParameters()

Specified by:

vectorExpressionParameters in class VectorExpression

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Specified by:

getDescriptor in class VectorExpression

round

protected void round(int i,
                     HiveDecimalWritable input,
                     int decimalPlaces,
                     DecimalColumnVector outputColVector)