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

Class CastTimestampToLong

java.lang.Object

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

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

All Implemented Interfaces:

Serializable

public class CastTimestampToLong
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
CastTimestampToLong()
CastTimestampToLong(int colNum, 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()
void	transientInit(org.apache.hadoop.conf.Configuration conf)
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

Methods inherited from class java.lang.Object

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

Constructor Detail

CastTimestampToLong

public CastTimestampToLong(int colNum,
                           int outputColumnNum)

CastTimestampToLong

public CastTimestampToLong()

Method Detail

transientInit

public void transientInit(org.apache.hadoop.conf.Configuration conf)
                   throws HiveException

Overrides:

transientInit in class VectorExpression

Throws:

HiveException

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