openclaw/dist/infra/bun-sqlite-close-probe.worker.js

Multi-channel AI gateway with extensible messaging integrations

import { existsSync, statSync } from "node:fs";
import { join } from "node:path";
import { parentPort, workerData } from "node:worker_threads";
import { DatabaseSync } from "node:sqlite";
//#region src/infra/bun-sqlite-close-probe.worker.ts
const retained = [];
parentPort?.on("message", () => retained.length);
function probe() {
	const directory = workerData;
	const other = new DatabaseSync(join(directory, "unrelated.sqlite"));
	retained.push(other);
	other.exec("CREATE TABLE unrelated(x); INSERT INTO unrelated VALUES (42)");
	for (const mode of ["close", "dispose"]) {
		const path = join(directory, `${mode}.sqlite`);
		const db = new DatabaseSync(path);
		retained.push(db);
		if (db.prepare("PRAGMA journal_mode=WAL").get()?.journal_mode !== "wal") return "SQLite close check cannot establish WAL mode";
		db.exec("PRAGMA wal_autocheckpoint=0; CREATE TABLE data(x); INSERT INTO data VALUES (1),(2),(3)");
		const stepped = db.prepare("SELECT x FROM data");
		stepped.get();
		const live = db.prepare("SELECT x FROM data");
		const cursor = live.iterate();
		cursor.next();
		retained.push(stepped, live, cursor, db.prepare("SELECT x FROM data"));
		const pages = db.prepare("PRAGMA page_count").get()?.page_count;
		const pageSize = db.prepare("PRAGMA page_size").get()?.page_size;
		const sidecars = ["-wal", "-shm"].map((suffix) => path + suffix);
		if (!sidecars.every(existsSync) || typeof pages !== "number" || typeof pageSize !== "number") return "SQLite close check WAL preconditions are unavailable";
		if (mode === "close") db.close();
		else db[Symbol.dispose]();
		if (sidecars.some(existsSync) || statSync(path).size !== pages * pageSize) return `SQLite ${mode} retained native WAL resources`;
		let invalidated = false;
		try {
			stepped.get();
		} catch {
			invalidated = true;
		}
		if (!invalidated || other.prepare("SELECT x FROM unrelated").get()?.x !== 42) return `SQLite ${mode} failed statement or sibling isolation`;
	}
	return "";
}
try {
	parentPort?.postMessage(probe(), []);
} catch (error) {
	parentPort?.postMessage(`SQLite close check failed: ${String(error)}`, []);
}
//#endregion
export {};