To control how long a transaction waits to obtain a lock.
Integer, in milliseconds
Can be set for an individual connection or for the PUBLIC group. Takes effect immediately.
When the blocking option is set to On, any transaction attempting to obtain a lock that conflicts with an existing lock waits for blocking_timeout milliseconds for the conflicting lock to be released. If the lock is not released within blocking_timeout milliseconds, then an error is returned for the waiting transaction.
Setting this option to 0 forces all transactions attempting to obtain a lock to wait until all conflicting transactions release their locks.