> It turns out that 1722d5eb05d8e reverted 525392d5727f, which
> made CachedPlan available in QueryDesc and thus
> available to pgss_ExecutorEnd.
I also forgot to mention, the revert also removes the generic plan
is_reused logic:
```
bool is_reused; /* is it a reused generic plan? */
```
which we had to account for up until v5. So this simplifies the
tracking a bit more as the only states to track are "generic plan"
or "custom plan" only.
--
Sami Imseih
Amazon Web Services (AWS)
