delete method
Method delete deletes entry on database
Implementation
@override
Future<dynamic> delete(T? item) async {
final values = converter.decode(item);
where({schema.primaryKey: values.remove(schema.primaryKey)});
final builder = SqlBuilder.delete(
schema.table!,
where: _whereQuery,
whereArgs: _whereArgs,
);
final completer = Completer<dynamic>()
..complete(database!.rawDelete(builder.sql, builder.arguments));
if (isLogger!) Logger.destroy(type, completer.future, builder);
return await completer.future.whenComplete(clear);
}