51 lines
1001 B
TypeScript
51 lines
1001 B
TypeScript
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/*
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# 树结构设计 —— 嵌套集
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yarn run:example database/collections/tree/nested-set
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*/
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import { Database } from '@nocobase/database';
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import { uid } from '@nocobase/utils';
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const db = new Database({
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logging: process.env.DB_LOGGING === 'on' ? console.log : false,
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dialect: process.env.DB_DIALECT as any,
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storage: process.env.DB_STORAGE,
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username: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_DATABASE,
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host: process.env.DB_HOST,
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port: process.env.DB_PORT as any,
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timezone: process.env.DB_TIMEZONE,
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tablePrefix: `t_${uid()}_`,
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});
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db.collection({
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name: 'categories',
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tree: 'nested-set',
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fields: [
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{
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type: 'string',
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name: 'name',
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},
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{
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type: 'string',
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name: 'description',
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},
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{
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type: 'treeParent',
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name: 'parent',
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},
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{
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type: 'treeChildren',
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name: 'children',
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},
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],
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});
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(async () => {
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await db.sync();
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await db.close();
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})();
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export default db;
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