c

com.snowflake.snowpark

AggregateFunction

case class AggregateFunction extends Product with Serializable

Encapsulates a user-defined aggregate function (UDAF) that is returned by UDAFRegistration.registerTemporary or UDAFRegistration.registerPermanent.

Use AggregateFunction.apply to generate Column expressions from an instance.

val myAvg = session.udaf.registerTemporary("my_avg", new MyAvgUDAF())
df.select(myAvg(col("a")))
Since

1.19.0

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Serializable, Serializable, Product, Equals, AnyRef, Any
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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply(exprs: Column*): Column

    Apply the UDAF to one or more columns to generate a Column expression.

    Apply the UDAF to one or more columns to generate a Column expression.

    Since

    1.19.0

  5. final def asInstanceOf[T0]: T0
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  6. def clone(): AnyRef
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  1. def finalize(): Unit
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