Re: Extending amcheck to check toast size and compression

[Heikki Linnakangas]

@@ -30,6 +30,9 @@ PG_FUNCTION_INFO_V1(verify_heapam);
 /* The number of columns in tuples returned by verify_heapam */
 #define HEAPCHECK_RELATION_COLS 4
 
+/* The largest valid toast va_rawsize */
+#define VARLENA_SIZE_LIMIT 0x3FFFFFFF
+

Hmm, a toasted datum cannot be larger than MaxAllocSize, because it's 
reconstituted in a palloc'd datum, right?

- Heikki