Location via proxy:   [ UP ]  
[Report a bug]   [Manage cookies]                
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/amcheck/verify_gin.c')
-rw-r--r--contrib/amcheck/verify_gin.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/contrib/amcheck/verify_gin.c b/contrib/amcheck/verify_gin.c
index 3f7994a6bc6..c615d950736 100644
--- a/contrib/amcheck/verify_gin.c
+++ b/contrib/amcheck/verify_gin.c
@@ -345,7 +345,7 @@ gin_check_posting_tree_parent_keys_consistency(Relation rel, BlockNumber posting
* Check if this tuple is consistent with the downlink in the
* parent.
*/
- if (stack->parentblk != InvalidBlockNumber && i == maxoff &&
+ if (i == maxoff && ItemPointerIsValid(&stack->parentkey) &&
ItemPointerCompare(&stack->parentkey, &posting_item->key) < 0)
ereport(ERROR,
(errcode(ERRCODE_INDEX_CORRUPTED),
@@ -358,14 +358,10 @@ gin_check_posting_tree_parent_keys_consistency(Relation rel, BlockNumber posting
ptr->depth = stack->depth + 1;
/*
- * Set rightmost parent key to invalid item pointer. Its value
- * is 'Infinity' and not explicitly stored.
+ * The rightmost parent key is always invalid item pointer.
+ * Its value is 'Infinity' and not explicitly stored.
*/
- if (rightlink == InvalidBlockNumber)
- ItemPointerSetInvalid(&ptr->parentkey);
- else
- ptr->parentkey = posting_item->key;
-
+ ptr->parentkey = posting_item->key;
ptr->parentblk = stack->blkno;
ptr->blkno = BlockIdGetBlockNumber(&posting_item->child_blkno);
ptr->next = stack->next;
@@ -608,10 +604,10 @@ gin_check_parent_keys_consistency(Relation rel,
ptr = (GinScanItem *) palloc(sizeof(GinScanItem));
ptr->depth = stack->depth + 1;
/* last tuple in layer has no high key */
- if (i != maxoff && !GinPageGetOpaque(page)->rightlink)
- ptr->parenttup = CopyIndexTuple(idxtuple);
- else
+ if (i == maxoff && rightlink == InvalidBlockNumber)
ptr->parenttup = NULL;
+ else
+ ptr->parenttup = CopyIndexTuple(idxtuple);
ptr->parentblk = stack->blkno;
ptr->blkno = GinGetDownlink(idxtuple);
ptr->next = stack->next;
@@ -748,7 +744,7 @@ gin_refind_parent(Relation rel, BlockNumber parentblkno,
ItemId p_iid = PageGetItemIdCareful(rel, parentblkno, parentpage, o);
IndexTuple itup = (IndexTuple) PageGetItem(parentpage, p_iid);
- if (ItemPointerGetBlockNumber(&(itup->t_tid)) == childblkno)
+ if (GinGetDownlink(itup) == childblkno)
{
/* Found it! Make copy and return it */
result = CopyIndexTuple(itup);