Retrieve a whole list of values from the proxy data model. This function calls gda_data_proxy_get_value() for each column index specified in cols_index, and generates a #GSList on the way.
a proxy row
array containing the columns for which the values are requested
a new list of values (the list must be freed, not the values), or null if an error occurred
Retrieve a whole list of values from the proxy data model. This function calls gda_data_proxy_get_value() for each column index specified in cols_index, and generates a #GSList on the way.