For the postgres destination, the Full refresh sync mode removes all indexes. Can I set up a postgres indexes creation in an airbyte connection?

Hmm, I don't know enough to give you a confident answer yet. The provided extracts do not contain information about setting up Postgres indexes creation in an Airbyte connection. I recommend checking the [Airbyte documentation](https://docs.airbyte.com/integrations/destinations/postgres) for more detailed information.