Usage of cdb_get_replay_txids

[cohult]

When you discover that your txid is not one of the last two you use cdb_trigger_subscriptions() see this post

How to recover from lost CDB subscription notifications?

One way to insure that your CDB subscriber application hasn’t lost any CDB subscription notifications upon a reconnect is to keep track of the very last transaction ID from CDB. You can do that by using the cdb_get_txid() API call either inside or outside of a CDB session. In order to insure that you have indeed saved the latest txid in persistent storage, you will want to have a lowest priority subscription that is subscribed to the entire data model at the root with “/”. This will ensure th…