AggregatePushDownUtils¶
getSchemaForPushedAggregation¶
getSchemaForPushedAggregation(
aggregation: Aggregation,
schema: StructType,
partitionNames: Set[String],
dataFilters: Seq[Expression]): Option[StructType]
getSchemaForPushedAggregation
...FIXME
getSchemaForPushedAggregation
is used when:
OrcScanBuilder
is requested topushAggregation
ParquetScanBuilder
is requested to pushAggregation