import 'package:drift/drift.dart'; import 'drift/example.drift.dart'; // #docregion findById extension FindById on ResultSetImplementation { Selectable findById(int id) { return select() ..where((row) { final idColumn = columnsByName['id']; if (idColumn == null) { throw ArgumentError.value( this, 'this', 'Must be a table with an id column'); } if (idColumn.type != DriftSqlType.int) { throw ArgumentError('Column `id` is not an integer'); } return idColumn.equals(id); }); } } // #enddocregion findById extension FindTodoEntryById on GeneratedDatabase { Todos get todos => Todos(this); // #docregion findTodoEntryById Selectable findTodoEntryById(int id) { return select(todos)..where((row) => row.id.equals(id)); } // #enddocregion findTodoEntryById }