42 lines
1.6 KiB
TypeScript
42 lines
1.6 KiB
TypeScript
import { BaseSchema } from '@adonisjs/lucid/schema'
|
|
|
|
/**
|
|
* Spot listings (CONCEPT.md D29): old spots become a release without files
|
|
* (source `spot`), whose NZB is fetched when first downloaded. Search shows
|
|
* releases with files or spot listings, so the partial release indexes
|
|
* cover both. Spots are verified from their overview when fetched.
|
|
*/
|
|
const VISIBLE = `(file_count > 0 OR source = 'spot')`
|
|
const INDEXES: [name: string, definition: string][] = [
|
|
['releases_name_trgm', `USING gin (name gin_trgm_ops)`],
|
|
['releases_contents_trgm', `USING gin ((contents::text) gin_trgm_ops)`],
|
|
['releases_posted_at_idx', `(posted_at DESC NULLS LAST)`],
|
|
['releases_size_index', `(size)`],
|
|
['releases_file_count_index', `(file_count)`],
|
|
['releases_complete_idx', `(complete)`],
|
|
['releases_category_idx', `(category)`],
|
|
]
|
|
|
|
export default class extends BaseSchema {
|
|
static disableTransactions = true
|
|
|
|
async up() {
|
|
await this.db.rawQuery(`ALTER TABLE spots ADD COLUMN IF NOT EXISTS verified boolean`)
|
|
await this.swap(VISIBLE)
|
|
}
|
|
|
|
async down() {
|
|
await this.swap('file_count > 0')
|
|
await this.db.rawQuery(`ALTER TABLE spots DROP COLUMN IF EXISTS verified`)
|
|
}
|
|
|
|
private async swap(predicate: string) {
|
|
for (const [name, definition] of INDEXES) {
|
|
await this.db.rawQuery(`DROP INDEX CONCURRENTLY IF EXISTS ${name}_next`)
|
|
await this.db.rawQuery(`CREATE INDEX CONCURRENTLY ${name}_next ON releases ${definition} WHERE ${predicate}`)
|
|
await this.db.rawQuery(`DROP INDEX CONCURRENTLY IF EXISTS ${name}`)
|
|
await this.db.rawQuery(`ALTER INDEX ${name}_next RENAME TO ${name}`)
|
|
}
|
|
}
|
|
}
|