query abstract method

void query(
  1. Statement statement,
  2. void successCallback(
    1. DbTransaction tx,
    2. List<Row> res
    ), [
  3. void errorCallback(
    1. Object error
    )?
])

Implementation

void query(
  Statement statement,
  void Function(DbTransaction tx, List<Row> res) successCallback, [
  void Function(Object error)? errorCallback,
]);