object IdentityProjection extends Projection
An identity projection. This returns the input row.
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- final def !=(arg0: Any): Boolean
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- final def ##: Int
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- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- def andThen[A](g: (InternalRow) => A): (InternalRow) => A
- Definition Classes
- Function1
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- @unspecialized()
- def apply(row: InternalRow): InternalRow
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- IdentityProjection → Function1
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def compose[A](g: (A) => InternalRow): (A) => InternalRow
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- Function1
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- @unspecialized()
- final def eq(arg0: AnyRef): Boolean
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- def equals(arg0: AnyRef): Boolean
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- def hashCode(): Int
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- @native()
- def initialize(partitionIndex: Int): Unit
Initializes internal states given the current partition index.
Initializes internal states given the current partition index. This is used by nondeterministic expressions to set initial states. The default implementation does nothing.
- Definition Classes
- ExpressionsEvaluator
- def initializeExprs(exprs: Seq[Expression], partitionIndex: Int): Unit
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- protected
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- ExpressionsEvaluator
- final def isInstanceOf[T0]: Boolean
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- final def notify(): Unit
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- def prepareExpressions(exprs: Seq[Expression], subExprEliminationEnabled: Boolean): Seq[Expression]
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- protected
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- ExpressionsEvaluator
- lazy val runtime: SubExprEvaluationRuntime
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- ExpressionsEvaluator
- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(): Unit
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- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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