SQLGroupBy type: sql_group_by#
- class lumen.transforms.sql.SQLGroupBy(*, aggregates, by, controls, name)#
Performs a Group-By and aggregation
Parameters#
aggregates
type: dict
default: None
mapping of Aggregate Functions to use to which column to use them on
by
type: list[Any]
default: []
Columns to Group by
Methods#
- SQLGroupBy.apply(sql_in)#
Given an SQL statement, manipulate it, and return a new SQL statement.
- Parameters:
sql_in (string) – The initial SQL query to be manipulated.
- Returns:
New SQL query derived from the above query.
- Return type:
string
- SQLGroupBy.to_spec(context: Dict[str, Any] | None = None) Dict[str, Any] #
Exports the full specification to reconstruct this component.
- Return type:
Resolved and instantiated Component object