AggregatorMax Class

Defines an aggregator that get the maximum based on join keys.

Inheritance

Aggregator

AggregatorMax

Constructor

AggregatorMax()

Remarks

Aggregators are typically not instantiated directly. Instead, specify the the type of aggregator when using using an enricher such as the HolidayEnricher object.

The process_public_dataset(env, _public_dataset, cols, join_keys) method gets the maximum value.

Methods

get_log_property	Get log property tuple, None if no property.
process_public_dataset	Get maximum value based on join keys.

get_log_property

Get log property tuple, None if no property.

get_log_property()

process_public_dataset

Get maximum value based on join keys.

process_public_dataset(env: SparkEnv | PandasEnv, _public_dataset: object, cols: object, join_keys: list)

Parameters

Name	Description
env Required	RuntimeEnv The runtime environment.
_public_dataset Required	PublicData The input public dataset.
cols Required	list The column name list to retrieve.
join_keys Required	list A list of join key pairs.

Returns

Type	Description
	An aggregated public dataset.