RxDBMigration

Defined in: packages/rxdb/src/system/migration.ts:364

数据库迁移记录

用于记录数据库迁移脚本的执行历史。这个类捕获每次数据库迁移的关键信息， 包括迁移名称和执行时间，确保迁移脚本不会被重复执行， 并提供迁移历史的追踪能力。

Constructors

Constructor

new RxDBMigration(): RxDBMigration;

Returns

RxDBMigration

Properties

executedAt

executedAt: Date;

Defined in: packages/rxdb/src/system/migration.ts:375

执行时间

Default

new Date()

---

id

id: number;

Defined in: packages/rxdb/src/system/migration.ts:370

id

---

name

name: string;

Defined in: packages/rxdb/src/system/migration.ts:379

名称

---

remove

remove: () => Promise<RxDBMigration>;

Defined in: packages/rxdb/src/system/migration.ts:436

删除

Returns

Promise<RxDBMigration>

---

reset

reset: () => void;

Defined in: packages/rxdb/src/system/migration.ts:440

重置数据

Returns

void

---

save

save: () => Promise<RxDBMigration>;

Defined in: packages/rxdb/src/system/migration.ts:444

保存

Returns

Promise<RxDBMigration>

---

[ENTITY_STATIC_TYPES]

static [ENTITY_STATIC_TYPES]: RxDBMigrationStaticTypes;

Defined in: packages/rxdb/src/system/migration.ts:365

---

count

static count: (options) => Observable<number>;

Defined in: packages/rxdb/src/system/migration.ts:385

count 查询

Parameters

Parameter	Type	Description
options	CountOptions<typeof RxDBMigration, RxDBMigrationRuleGroup>	查询选项

Returns

Observable<number>

---

find

static find: (options) => Observable<RxDBMigration[]>;

Defined in: packages/rxdb/src/system/migration.ts:391

find 查询

Parameters

Parameter	Type	Description
options	FindOptions<typeof RxDBMigration, RxDBMigrationRuleGroup, RxDBMigrationOrderByField>	查询选项

Returns

Observable<RxDBMigration[]>

---

findAll

static findAll: (options) => Observable<RxDBMigration[]>;

Defined in: packages/rxdb/src/system/migration.ts:399

findAll 查询

Parameters

Parameter	Type	Description
options	FindAllOptions<typeof RxDBMigration, RxDBMigrationRuleGroup, RxDBMigrationOrderByField>	查询选项

Returns

Observable<RxDBMigration[]>

---

findByCursor

static findByCursor: (options) => Observable<RxDBMigration[]>;

Defined in: packages/rxdb/src/system/migration.ts:407

findByCursor 查询

Parameters

Parameter	Type	Description
options	FindByCursorOptions<typeof RxDBMigration, RxDBMigrationRuleGroup, RxDBMigrationOrderByField>	查询选项

Returns

Observable<RxDBMigration[]>

---

findOne

static findOne: (options) => Observable<RxDBMigration | null>;

Defined in: packages/rxdb/src/system/migration.ts:415

findOne 查询

Parameters

Parameter	Type	Description
options	FindOneOptions<typeof RxDBMigration, RxDBMigrationRuleGroup, RxDBMigrationOrderByField>	查询选项

Returns

Observable<RxDBMigration | null>

---

findOneOrFail

static findOneOrFail: (options) => Observable<RxDBMigration>;

Defined in: packages/rxdb/src/system/migration.ts:423

findOneOrFail 查询

Parameters

Parameter	Type	Description
options	FindOneOrFailOptions<typeof RxDBMigration, RxDBMigrationRuleGroup, RxDBMigrationOrderByField>	查询选项

Returns

Observable<RxDBMigration>

---

get

static get: (options) => Observable<RxDBMigration>;

Defined in: packages/rxdb/src/system/migration.ts:431

get 查询

Parameters

Parameter	Type	Description
options	number	查询选项

Returns

Observable<RxDBMigration>