| import { mkdir, readFile, readdir } from "node:fs/promises"; |
| import { dirname, join, resolve } from "node:path"; |
| import { DatabaseSync } from "node:sqlite"; |
|
|
| const root = process.cwd(); |
| const configuredPath = process.env.LINKEDIN_SQLITE_PATH?.trim(); |
| if (!configuredPath) { |
| throw new Error("LINKEDIN_SQLITE_PATH is required for local SQLite migrations."); |
| } |
| const deterministicEpoch = process.env.WEBSITEBENCH_DETERMINISTIC_EPOCH_SECONDS?.trim(); |
| if (deterministicEpoch && !/^\d+$/.test(deterministicEpoch)) { |
| throw new Error("WEBSITEBENCH_DETERMINISTIC_EPOCH_SECONDS must be unsigned epoch seconds."); |
| } |
| const databaseNow = deterministicEpoch ?? "unixepoch()"; |
|
|
| const databasePath = resolve(root, configuredPath); |
| await mkdir(dirname(databasePath), { recursive: true }); |
| const database = new DatabaseSync(databasePath); |
| try { |
| database.exec(` |
| PRAGMA foreign_keys = ON; |
| PRAGMA journal_mode = WAL; |
| PRAGMA busy_timeout = 5000; |
| CREATE TABLE IF NOT EXISTS __drizzle_migrations ( |
| name TEXT PRIMARY KEY NOT NULL, |
| applied_at INTEGER NOT NULL DEFAULT (${databaseNow}) |
| ); |
| `); |
| const applied = database.prepare("SELECT 1 FROM __drizzle_migrations WHERE name = ?"); |
| const record = database.prepare("INSERT INTO __drizzle_migrations (name) VALUES (?)"); |
| const migrations = (await readdir(join(root, "drizzle"))).filter((file) => file.endsWith(".sql")).sort(); |
| let appliedCount = 0; |
| for (const migration of migrations) { |
| if (applied.get(migration)) continue; |
| const source = await readFile(join(root, "drizzle", migration), "utf8"); |
| const executableSource = deterministicEpoch |
| ? source.replaceAll("unixepoch()", deterministicEpoch) |
| : source; |
| database.exec("BEGIN IMMEDIATE"); |
| try { |
| for (const statement of executableSource.split("--> statement-breakpoint")) { |
| if (statement.trim()) database.exec(statement); |
| } |
| record.run(migration); |
| database.exec("COMMIT"); |
| appliedCount += 1; |
| } catch (error) { |
| database.exec("ROLLBACK"); |
| throw error; |
| } |
| } |
| console.log(`Applied ${appliedCount} of ${migrations.length} LinkedIn SQLite migrations.`); |
| } finally { |
| database.close(); |
| } |
|
|
