Re: Extending amcheck to check toast size and compression

+       /* Oversized toasted attributes should never be stored */
+       if (toast_pointer.va_rawsize > VARLENA_SIZE_LIMIT)
+               report_corruption(ctx,
+                                                 psprintf("toast value %u rawsize %u exceeds limit %u",
+                                                                  toast_pointer.va_valueid,
+                                                                  toast_pointer.va_rawsize,
+                                                                  VARLENA_SIZE_LIMIT));
+

I think the comment sounds wrong since toast is precisely for storage of
"oversized" attributes.

https://www.postgresql.org/docs/current/storage-toast.html
| This section provides an overview of TOAST (The Oversized-Attribute Storage Technique).

-- 
Justin