AggregatorMax Class
Defines an aggregator that get the maximum based on join keys.
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
|
The runtime environment. |
|
_public_dataset
Required
|
The input public dataset. |
|
cols
Required
|
The column name list to retrieve. |
|
join_keys
Required
|
A list of join key pairs. |
Returns
| Type | Description |
|---|---|
|
An aggregated public dataset. |