Appends a row to the data model (the new row will possibly have NULL values for all columns,
or some other values depending on the data model implementation)
Upon errors -1 will be returned and error will be assigned a
#GError from the #GDA_DATA_MODEL_ERROR domain.
Appends a row to the data model (the new row will possibly have NULL values for all columns, or some other values depending on the data model implementation)
Upon errors -1 will be returned and error will be assigned a #GError from the #GDA_DATA_MODEL_ERROR domain.