mirror of https://github.com/AMT-Cheif/drift.git
34 lines
1.1 KiB
Dart
34 lines
1.1 KiB
Dart
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import 'package:drift/drift.dart';
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class Todos extends Table {
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IntColumn get id => integer().autoIncrement()();
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TextColumn get title => text().withLength(min: 6, max: 32)();
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TextColumn get content => text().named('body')();
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IntColumn get category => integer().nullable()();
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}
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@DataClassName('Category')
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class Categories extends Table {
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IntColumn get id => integer().autoIncrement()();
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TextColumn get description => text()();
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}
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// #docregion view
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abstract class CategoryTodoCount extends View {
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// Getters define the tables that this view is reading from.
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Todos get todos;
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Categories get categories;
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// Custom expressions can be given a name by defining them as a getter:.
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Expression<int> get itemCount => todos.id.count();
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@override
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Query as() =>
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// Views can select columns defined as expression getters on the class, or
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// they can reference columns from other tables.
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select([categories.description, itemCount])
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.from(categories)
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.join([innerJoin(todos, todos.category.equalsExp(categories.id))]);
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}
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// #enddocregion view
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