update method
Updates the rows selected by where and returns the changed-row count.
Implementation
Future<int> update(String table, Map<String, Object?> values,
{String? where,
List<Object?>? whereArgs,
ConflictAlgorithm? conflictAlgorithm}) =>
_app.update(table, values,
where: where,
whereArgs: whereArgs,
conflictAlgorithm: conflictAlgorithm);