Returns a class to use to generate columns. If it's a natively supported class, then the column with the name "id" will be created
and added to the list of columns for the primary key. If it's a class annotated with the
Table annotation, then the annotation will be processed and column definitions will be
extracted from it.
Returns:
A class to use to generate columns or null if columns are specified using other methods.
Returns a class to use to generate columns. If it's a natively supported class, then the column with the name "val" will be created.
If it's a class annotated with the Table annotation, then the annotation will be
processed and column definitions will be extracted from it.
Returns:
A class to use to generate columns or null if columns are specified using other methods.