250 lines
3.4 KiB
Markdown
250 lines
3.4 KiB
Markdown
---
|
||
toc: menu
|
||
---
|
||
|
||
# Collection <Badge>待完善</Badge>
|
||
|
||
## `collection.addField()`
|
||
|
||
添加字段，如果字段 name 已存在，直接替换。
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface addField {
|
||
(name: string, options: FieldOptions): Field;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
const field = collection.addField('name1', {
|
||
type: 'string',
|
||
});
|
||
await field.sync();
|
||
```
|
||
|
||
## `collection.findField()`
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface findField {
|
||
(fn: (field: Field) => boolean): Field;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
const field = collection.findField((field) => {
|
||
return field.name === 'name1';
|
||
});
|
||
```
|
||
|
||
## `collection.forEachField()`
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface forEachField {
|
||
(fn: (field: Field) => void): void;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
collection.forEachField((field) => {
|
||
|
||
});
|
||
```
|
||
|
||
## `collection.getField()`
|
||
|
||
获取字段
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface getField {
|
||
(name: string): Field;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
const field = collection.getField('name');
|
||
```
|
||
|
||
## `collection.hasField()`
|
||
|
||
是否存在某字段
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface hasField {
|
||
(name: string): boolean;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
collection.hasField('name');
|
||
```
|
||
|
||
## `collection.removeField()`
|
||
|
||
移除字段
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface removeField {
|
||
(name: string): Field;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
collection.removeField('name');
|
||
```
|
||
|
||
## `collection.setFields()`
|
||
|
||
设置 fields，会清空之前配置的 fields。
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface setFields {
|
||
(fields: FieldOptions[]): void;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
```ts
|
||
const collection = db.collection({
|
||
name: 'tests',
|
||
});
|
||
collection.setFields([
|
||
{ type: 'string', name: 'name1' },
|
||
{ type: 'string', name: 'name2' },
|
||
]);
|
||
```
|
||
|
||
## `collection.sync()`
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface sync {
|
||
(options?: SyncOptions): Promise<void>;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
如果关联表不存在，不处理
|
||
|
||
```ts
|
||
const Post = db.collection({
|
||
name: 'posts',
|
||
fields: [
|
||
{ type: 'string', name: 'name' },
|
||
// tags 跳过
|
||
{ type: 'belongsToMany', name: 'tags' },
|
||
],
|
||
});
|
||
await Post.sync();
|
||
```
|
||
|
||
如果关系表存在，一起处理
|
||
|
||
```ts
|
||
const Post = db.collection({
|
||
name: 'posts',
|
||
fields: [
|
||
{ type: 'string', name: 'name' },
|
||
{ type: 'belongsToMany', name: 'tags' },
|
||
],
|
||
});
|
||
const Tag = db.collection({
|
||
name: 'tags',
|
||
fields: [{ type: 'string', name: 'name' }],
|
||
});
|
||
await Post.sync();
|
||
// 等同于
|
||
await db.sequelize.models.posts.sync();
|
||
await db.sequelize.models.tags.sync();
|
||
await db.sequelize.models.posts_tags.sync();
|
||
```
|
||
|
||
## `collection.updateField()`
|
||
|
||
更新字段配置
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface updateField {
|
||
(name: string, data: FieldOptions, options?: UpdateFieldOptions): Field;
|
||
}
|
||
|
||
interface UpdateFieldOptions {
|
||
force?: boolean;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
更改 name
|
||
|
||
```ts
|
||
const field = collection.updateField('name1', {
|
||
name: 'name2',
|
||
});
|
||
await field.sync();
|
||
```
|
||
|
||
## `collection.updateOptions()`
|
||
|
||
更改当前 collection 的 options
|
||
|
||
##### Definition
|
||
|
||
```ts
|
||
interface updateOptions {
|
||
(options: CollectionOptions): void;
|
||
}
|
||
|
||
interface CollectionOptions extends Sequelize.ModelOptions {
|
||
name: string;
|
||
tableName?: string;
|
||
fields?: any;
|
||
model?: string | Model;
|
||
repository?: string | Repository;
|
||
[key: string]: any;
|
||
}
|
||
```
|
||
|
||
##### Examples
|
||
|
||
可能的更新项详见 [Sequelize.ModelOptions](https://github.com/sequelize/sequelize/blob/f9dfaa7c533acad4ae88fd16b47c3a5805fb6e9b/types/lib/model.d.ts#L1390)
|
||
|
||
```ts
|
||
const collection = db.collection({
|
||
name: 'tests',
|
||
});
|
||
|
||
collection.updateOptions({
|
||
|
||
});
|
||
```
|