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SimpleTypedAggregateExpression

SimpleTypedAggregateExpression is <> when...FIXME

[[internal-registries]] .SimpleTypedAggregateExpression's Internal Properties (e.g. Registries, Counters and Flags) [cols="1m,2",options="header",width="100%"] |=== | Name | Description

| evaluateExpression | [[evaluateExpression]] <>

| resultObjToRow | [[resultObjToRow]] UnsafeProjection |===

Creating Instance

SimpleTypedAggregateExpression takes the following when created:

  • [[aggregator]] Aggregator
  • [[inputDeserializer]] Optional input deserializer expression
  • [[inputClass]] Optional Java class for the input
  • [[inputSchema]] Optional schema for the input
  • [[bufferSerializer]] Buffer serializer (as a collection of spark-sql-Expression-NamedExpression.md[named expressions])
  • [[bufferDeserializer]] Buffer deserializer Expression.md[expression]
  • [[outputSerializer]] Output serializer (as a collection of Expression.md[expressions])
  • [[dataType]] DataType
  • [[nullable]] nullable flag

Last update: 2020-11-15