pg-node-migrations/dist/with-lock.js

Based on the work on ThomWright's postgres migration package. Adds the ability to specify a schema and table name.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.withAdvisoryLock = void 0;
function withAdvisoryLock(log, f) {
    return async (client) => {
        try {
            try {
                log("Acquiring advisory lock...");
                let acquired = false;
                while (!acquired) {
                    const lockResult = await client.query("SELECT pg_try_advisory_lock(-8525285245963000605);");
                    if (lockResult.rows[0].pg_try_advisory_lock === true) {
                        acquired = true;
                    }
                    else {
                        await new Promise((res) => setTimeout(res, 1000));
                    }
                }
                log("... acquired advisory lock");
            }
            catch (e) {
                log(`Error acquiring advisory lock: ${e.message}`);
                throw e;
            }
            const result = await f(client);
            return result;
        }
        catch (e) {
            log(`Error while using lock: ${e.message}`);
            throw e;
        }
        finally {
            try {
                log("Releasing advisory lock...");
                await client.query("SELECT pg_advisory_unlock(-8525285245963000605);");
                log("... released advisory lock");
            }
            catch (e) {
                log(`Error releasing advisory lock: ${e.message}`);
            }
        }
    };
}
exports.withAdvisoryLock = withAdvisoryLock;