Object

org.apache.spark.sql.catalyst.analysis

EmptyFunctionRegistry

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object EmptyFunctionRegistry extends FunctionRegistry

A trivial catalog that returns an error when a function is requested. Used for testing when all functions are already filled in and the analyzer needs only to resolve attribute references.

Linear Supertypes
FunctionRegistry, AnyRef, Any
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Inherited
  1. EmptyFunctionRegistry
  2. FunctionRegistry
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Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  5. def clear(): Unit

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    Clear all registered functions.

    Clear all registered functions.

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  7. def dropFunction(name: String): Boolean

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    Drop a function and return whether the function existed.

    Drop a function and return whether the function existed.

    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  8. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  9. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  10. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  11. def functionExists(name: String): Boolean

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    Checks if a function with a given name exists.

    Checks if a function with a given name exists.

    Definition Classes
    FunctionRegistry

  12. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any

  13. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  14. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  15. def listFunction(): Seq[String]

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    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  16. def lookupFunction(name: String): Option[ExpressionInfo]

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    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  17. def lookupFunction(name: String, children: Seq[Expression]): Expression

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    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  18. def lookupFunctionBuilder(name: String): Option[FunctionBuilder]

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    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  19. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  20. final def notify(): Unit

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    Definition Classes
    AnyRef

  21. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  22. def registerFunction(name: String, info: ExpressionInfo, builder: FunctionBuilder): Unit

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    Definition Classes
    EmptyFunctionRegistry → FunctionRegistry

  23. final def registerFunction(name: String, builder: FunctionBuilder): Unit

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    Definition Classes
    FunctionRegistry

  24. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  25. def toString(): String

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    Definition Classes
    AnyRef → Any

  26. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  27. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  28. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from FunctionRegistry

Inherited from AnyRef

Inherited from Any

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