pub fn get_or_create_ringbuffer_shape(
catalog: &Catalog,
ringbuffer: &RingBuffer,
txn: &mut Transaction<'_>,
) -> Result<RowShape>pub fn get_or_create_ringbuffer_shape(
catalog: &Catalog,
ringbuffer: &RingBuffer,
txn: &mut Transaction<'_>,
) -> Result<RowShape>