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java.lang.Objectorg.axiondb.BaseSelectable
org.axiondb.functions.BaseFunction
org.axiondb.functions.CastAsFunction
public class CastAsFunction
ANSI style CAST...AS Function function : CAST( {id|expr} AS type[(precision[,scale])] )
Field Summary |
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Fields inherited from class org.axiondb.BaseSelectable |
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_hash |
Constructor Summary | |
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CastAsFunction()
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Method Summary | |
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java.lang.Object |
evaluate(RowDecorator row)
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DataType |
getDataType()
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boolean |
isValid()
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ConcreteFunction |
makeNewInstance()
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Methods inherited from class org.axiondb.functions.BaseFunction |
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addArgument, getArgument, getArgumentCount, setArgument, setVariableContext, toString |
Methods inherited from class org.axiondb.BaseSelectable |
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getAlias, getLabel, getName, setAlias, setName |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.axiondb.Function |
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addArgument, getAlias, getArgument, getArgumentCount, getName, setAlias, setArgument |
Methods inherited from interface org.axiondb.Selectable |
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getLabel, setVariableContext |
Constructor Detail |
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public CastAsFunction()
Method Detail |
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public java.lang.Object evaluate(RowDecorator row) throws AxionException
evaluate
in interface ScalarFunction
evaluate
in interface Selectable
AxionException
public DataType getDataType()
getDataType
in interface Selectable
getDataType
in class BaseFunction
public boolean isValid()
isValid
in interface ConcreteFunction
isValid
in class BaseFunction
public ConcreteFunction makeNewInstance()
makeNewInstance
in interface FunctionFactory
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