tachybase_todo/examples/database/collections/tree/nested-set.ts
chenos 28b73d7143
feat: add examples ()
* feat: add examples

* fix: tsconfig-paths/register

* feat: more examples

* fix: test errors

* feat: update examples

* docs: example list

* fix: updates

* feat: example for test case

* feat: api client

* fix: updates

* feat: tree structures

* fix: adjacency-list
2022-08-16 14:41:29 +08:00

51 lines
1001 B
TypeScript

/*
# 树结构设计 —— 嵌套集
yarn run:example database/collections/tree/nested-set
*/
import { Database } from '@nocobase/database';
import { uid } from '@nocobase/utils';
const db = new Database({
logging: process.env.DB_LOGGING === 'on' ? console.log : false,
dialect: process.env.DB_DIALECT as any,
storage: process.env.DB_STORAGE,
username: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_DATABASE,
host: process.env.DB_HOST,
port: process.env.DB_PORT as any,
timezone: process.env.DB_TIMEZONE,
tablePrefix: `t_${uid()}_`,
});
db.collection({
name: 'categories',
tree: 'nested-set',
fields: [
{
type: 'string',
name: 'name',
},
{
type: 'string',
name: 'description',
},
{
type: 'treeParent',
name: 'parent',
},
{
type: 'treeChildren',
name: 'children',
},
],
});
(async () => {
await db.sync();
await db.close();
})();
export default db;