@clickup/pg-microsharding/src/internal/isMasterDsn.ts

Microshards support for PostgreSQL

import { sql } from "./quote";
import { runSql } from "./runSql";

/**
 * Checks whether the given DSN is a master database.
 */
export async function isMasterDsn(dsn: string): Promise<boolean> {
  const result = await runSql.one(dsn, sql`SELECT pg_is_in_recovery()`);
  return result === "f";
}