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-rw-r--r--src/include/access/nbtree.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h
index 93f8267b483..52a422793b0 100644
--- a/src/include/access/nbtree.h
+++ b/src/include/access/nbtree.h
@@ -163,10 +163,9 @@ typedef struct BTMetaPageData
*/
#define BTMaxItemSize(page) \
MAXALIGN_DOWN((PageGetPageSize(page) - \
- MAXALIGN(SizeOfPageHeaderData + \
- 3*sizeof(ItemIdData) + \
- 3*sizeof(ItemPointerData)) - \
- MAXALIGN(sizeof(BTPageOpaqueData))) / 3)
+ MAXALIGN(SizeOfPageHeaderData + 3*sizeof(ItemIdData)) - \
+ MAXALIGN(sizeof(BTPageOpaqueData))) / 3) - \
+ MAXALIGN(sizeof(ItemPointerData))
#define BTMaxItemSizeNoHeapTid(page) \
MAXALIGN_DOWN((PageGetPageSize(page) - \
MAXALIGN(SizeOfPageHeaderData + 3*sizeof(ItemIdData)) - \