On Wed, Aug 13, 2025 at 9:29 PM Fabrice Chapuis <fabrice636861@gmail.com> wrote: > > Thanks for sharing this. In fact, I agree, introducing an allow_overwrite slot property makes seems cleaner than a GUC for this specific use case. > > a) At first, an extension of pg_create_logical_replication_slot() could be proposed > b) pg_alter_logical_replication_slot(): that could be is a neat approach, a generic API for modifying other slot properties seems like a forward-looking design choice. However I don't know if slot properties could be modified easily because when slot is active, a process is holding them in memory.
Right, it can not be.This API can be used when the slot is not acquired by any other process. We may have use-cases for that as well similar to one we have for this switchover case.
