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-rw-r--r--src/include/access/htup_details.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/access/htup_details.h b/src/include/access/htup_details.h
index 294d21bd180..300c2a52f02 100644
--- a/src/include/access/htup_details.h
+++ b/src/include/access/htup_details.h
@@ -498,6 +498,7 @@ do { \
* you can, say, fit 2 tuples of size MaxHeapTupleSize/2 on the same page.
*/
#define MaxHeapTupleSize (BLCKSZ - MAXALIGN(SizeOfPageHeaderData + sizeof(ItemIdData)))
+#define MinHeapTupleSize MAXALIGN(offsetof(HeapTupleHeaderData, t_bits))
/*
* MaxHeapTuplesPerPage is an upper bound on the number of tuples that can