Correct obsolete amcheck comments.

Oversight in commit dd299df8.

diff --git a/contrib/amcheck/verify_nbtree.c b/contrib/amcheck/verify_nbtree.c
index de0a98f6d952752031abb20a45cb0cbcce375813..9126c18d0e175b5c6ab032ffea46bd55a452b15b 100644 (file)
--- a/contrib/amcheck/verify_nbtree.c
+++ b/contrib/amcheck/verify_nbtree.c
@@ -798,23 +798,25 @@ nextpage:
  * target page:
  *
  * - That every "real" data item is less than or equal to the high key, which
- *  is an upper bound on the items on the pages (where there is a high key at
- *  all -- pages that are rightmost lack one).
+ *  is an upper bound on the items on the page.  Data items should be
+ *  strictly less than the high key when the page is an internal page.
  *
- * - That within the page, every "real" item is less than or equal to the item
- *  immediately to its right, if any (i.e., that the items are in order within
- *  the page, so that the binary searches performed by index scans are sane).
+ * - That within the page, every data item is strictly less than the item
+ *  immediately to its right, if any (i.e., that the items are in order
+ *  within the page, so that the binary searches performed by index scans are
+ *  sane).
  *
- * - That the last item stored on the page is less than or equal to the first
- *  "real" data item on the page to the right (if such a first item is
+ * - That the last data item stored on the page is strictly less than the
+ *  first data item on the page to the right (when such a first item is
  *  available).
  *
- * - That tuples report that they have the expected number of attributes.
- *  INCLUDE index pivot tuples should not contain non-key attributes.
+ * - Various checks on the structure of tuples themselves.  For example, check
+ *  that non-pivot tuples have no truncated attributes.
  *
  * Furthermore, when state passed shows ShareLock held, function also checks:
  *
- * - That all child pages respect downlinks lower bound.
+ * - That all child pages respect strict lower bound from parent's pivot
+ *  tuple.
  *
  * - That downlink to block was encountered in parent where that's expected.
  *   (Limited to heapallindexed readonly callers.)