rawQuery method

Future<List<Map<String, Object?>>> rawQuery(
  1. String sql, [
  2. List<Object>? arguments
])

查询

Implementation

Future<List<Map<String, Object?>>> rawQuery(String sql,
    [List<Object>? arguments]) async {
  if (_db == null) {
    print("rawQuery--error");
    return [];
  }
  return _db!.rawQuery(sql, arguments);
}