@arturwojnar/hermes-postgresql/lib/outbox/killBackendReplicationProcesses.js

Production-Ready TypeScript Outbox Pattern for PostgreSQL

import { swallow } from '@arturwojnar/hermes';
const killReplicationProcesses = async (sql, slotName) => {
    await swallow(async () => {
        const backendProcesses = await sql.unsafe(`
      SELECT pid 
      FROM pg_stat_replication 
      WHERE application_name = '${slotName}'
      AND state = 'streaming'
    `);
        for (const { pid } of backendProcesses) {
            await sql.unsafe(`SELECT pg_terminate_backend($1)`, [pid]);
        }
    });
    await swallow(async () => {
        const idleProcesses = await sql.unsafe(`
      SELECT pid
      FROM pg_stat_activity 
      WHERE application_name = '${slotName}'
      AND state = 'idle'
    `);
        for (const { pid } of idleProcesses) {
            await sql.unsafe(`SELECT pg_terminate_backend($1)`, [pid]);
        }
    });
};
export { killReplicationProcesses };
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