Manages a global data model by either setting new data keys or retrieving the current ones.
The data model consists of named lists containing column names and their associated key columns.
Usage
set_data_keys(data_keys = NULL)
Value
If data_keys = NULL: Returns the current global data model
If data_keys provided: Sets the new data model and returns invisibly
Arguments
data_keys
Optional list of lists. Each inner list must contain:
cols: A vector containing the column names for the data