SimpleTypedAggregateExpression¶
SimpleTypedAggregateExpression
is <
[[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