index e8b8308f82ec8b47e08768491b623846523063ed..35746714a7c4f09da340ef795d3fb027bbc70184 100644 (file)
@@ -282,10 +282,17 @@ brinGetTupleForHeapBlock(BrinRevmap *revmap, BlockNumber heapBlk,
/* If we land on a revmap page, start over */
if (BRIN_IS_REGULAR_PAGE(page))
{
+ /*
+ * If the offset number is greater than what's in the page, it's
+ * possible that the range was desummarized concurrently. Just
+ * return NULL to handle that case.
+ */
if (*off > PageGetMaxOffsetNumber(page))
- ereport(ERROR,
- (errcode(ERRCODE_INDEX_CORRUPTED),
- errmsg_internal("corrupted BRIN index: inconsistent range map")));
+ {
+ LockBuffer(*buf, BUFFER_LOCK_UNLOCK);
+ return NULL;
+ }
+
lp = PageGetItemId(page, *off);
if (ItemIdIsUsed(lp))
{