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b4ada4e19f
The command is supported for physical slots for now, and returns the type of slot, its restart_lsn and its restart_tli. This will be useful for an upcoming patch related to pg_receivewal, to allow the tool to be able to stream from the position of a slot, rather than the last WAL position flushed by the backend (as reported by IDENTIFY_SYSTEM) if the archive directory is found as empty, which would be an advantage in the case of switching to a different archive locations with the same slot used to avoid holes in WAL segment archives. Author: Ronan Dunklau Reviewed-by: Kyotaro Horiguchi, Michael Paquier, Bharath Rupireddy Discussion: https://postgr.es/m/18708360.4lzOvYHigE@aivenronan