Interface MigrationStore

interface MigrationStore {
    lastSnapshot(): Promise<Snapshot>;
    loadSnapshot(idx: number): Promise<Snapshot | null>;
    listMigrations(): Promise<Migration[]>;
    write(migration: Migration, snapshot: Snapshot): Promise<void>;
    applied(): Promise<number[]>;
    markApplied(idx: number): Promise<void>;
}

Index

Methods

lastSnapshot loadSnapshot listMigrations write applied markApplied

Methods

lastSnapshot

lastSnapshot(): Promise<Snapshot>
the latest committed snapshot, or EMPTY when there are no migrations yet.

Returns Promise<Snapshot>
- Defined in provision/src/migration-store.ts:19

loadSnapshot

loadSnapshot(idx: number): Promise<Snapshot | null>
Parameters
- idx: number
Returns Promise<Snapshot | null>
- Defined in provision/src/migration-store.ts:20

listMigrations

listMigrations(): Promise<Migration[]>
all migrations, in index order.

Returns Promise<Migration[]>
- Defined in provision/src/migration-store.ts:22

write

write(migration: Migration, snapshot: Snapshot): Promise<void>
write a new migration + its snapshot, appending the journal.
Parameters
- migration: Migration
- snapshot: Snapshot
Returns Promise<void>
- Defined in provision/src/migration-store.ts:24

applied

applied(): Promise<number[]>
which migration indices THIS environment has applied.

Returns Promise<number[]>
- Defined in provision/src/migration-store.ts:26

markApplied

markApplied(idx: number): Promise<void>
Parameters
- idx: number
Returns Promise<void>
- Defined in provision/src/migration-store.ts:27