How does SELECT FOR UPDATE SKIP LOCKED work for queue processing?

SKIP LOCKED: when attempting to lock rows, if a row is already locked by another transaction, SKIP it instead of blocking. Ideal for job queue pattern: multiple workers run simultaneously, each with: SELECT * FROM jobs WHERE status='PENDING' LIMIT 1 FOR UPDATE SKIP LOCKED. Each worker gets a different (unlocked) row. No blocking between workers. Workers process their claimed jobs, then UPDATE stat