Package io.prestosql.operator.scalar
Class CastFromUnknownOperator
- java.lang.Object
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- io.prestosql.metadata.SqlScalarFunction
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- io.prestosql.metadata.SqlOperator
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- io.prestosql.operator.scalar.CastFromUnknownOperator
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- All Implemented Interfaces:
SqlFunction
public final class CastFromUnknownOperator extends SqlOperator
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Field Summary
Fields Modifier and Type Field Description static CastFromUnknownOperatorCAST_FROM_UNKNOWN
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Constructor Summary
Constructors Constructor Description CastFromUnknownOperator()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static ObjecthandleNonNull(boolean arg)protected ScalarFunctionImplementationspecialize(FunctionBinding functionBinding)-
Methods inherited from class io.prestosql.metadata.SqlScalarFunction
getFunctionMetadata, specialize
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface io.prestosql.metadata.SqlFunction
getFunctionDependencies, getFunctionDependencies
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Field Detail
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CAST_FROM_UNKNOWN
public static final CastFromUnknownOperator CAST_FROM_UNKNOWN
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Method Detail
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specialize
protected ScalarFunctionImplementation specialize(FunctionBinding functionBinding)
- Overrides:
specializein classSqlScalarFunction
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handleNonNull
public static Object handleNonNull(boolean arg)
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