org.apache.tajo.plan.expr

Class CastEval

java.lang.Object

org.apache.tajo.plan.expr.EvalNode

org.apache.tajo.plan.expr.UnaryEval

org.apache.tajo.plan.expr.CastEval

All Implemented Interfaces:

Cloneable, ProtoObject<PlanProto.EvalNodeTree>, GsonObject

public class CastEval
extends UnaryEval

Field Summary

Fields inherited from class org.apache.tajo.plan.expr.UnaryEval

child

Fields inherited from class org.apache.tajo.plan.expr.EvalNode

type

Constructor Summary

Constructors

Constructor and Description
CastEval(OverridableConf context, EvalNode operand, TajoDataTypes.DataType target)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
Datum	eval(Schema schema, Tuple tuple)
String	getName()
EvalNode	getOperand()
TimeZone	getTimezone()
TajoDataTypes.DataType	getValueType()
boolean	hasTimeZone()
String	toString()

Methods inherited from class org.apache.tajo.plan.expr.UnaryEval

childNum, clone, getChild, getChild, hashCode, postOrder, preOrder, setChild

Methods inherited from class org.apache.tajo.plan.expr.EvalNode

getProto, getType, toJson

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

CastEval

public CastEval(OverridableConf context,
        EvalNode operand,
        TajoDataTypes.DataType target)

Method Detail

getOperand

public EvalNode getOperand()

getValueType

public TajoDataTypes.DataType getValueType()

Overrides:

getValueType in class UnaryEval

hasTimeZone

public boolean hasTimeZone()

getTimezone

public TimeZone getTimezone()

getName

public String getName()

Overrides:

getName in class UnaryEval

eval

public Datum eval(Schema schema,
         Tuple tuple)

Overrides:

eval in class UnaryEval

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class UnaryEval