postgres
diff --git a/‎src/backend/utils/sort/tuplesort.c
Copy file name to clipboardExpand all lines: src/backend/utils/sort/tuplesort.c
+6Lines changed: 6 additions & 0 deletions b/‎src/backend/utils/sort/tuplesort.c
Copy file name to clipboardExpand all lines: src/backend/utils/sort/tuplesort.c
+6Lines changed: 6 additions & 0 deletions
@@ -4536,6 +4536,9 @@ comparetup_index_btree(const SortTuple *a, const SortTuple *b,
 			return (pos1 < pos2) ? -1 : 1;
 	}
 
+	/* ItemPointer values should never be equal */
+	Assert(false);
+
 	return 0;
 }
 
@@ -4585,6 +4588,9 @@ comparetup_index_hash(const SortTuple *a, const SortTuple *b,
 			return (pos1 < pos2) ? -1 : 1;
 	}
 
+	/* ItemPointer values should never be equal */
+	Assert(false);
+
 	return 0;
 }
Original file line number	Diff line number	Diff line change
`@@ -4536,6 +4536,9 @@ comparetup_index_btree(const SortTuple a, const SortTuple b,`
`4536`	`4536`	`return (pos1 < pos2) ? -1 : 1;`
`4537`	`4537`	`}`
`4538`	`4538`
	`4539`	`+ /* ItemPointer values should never be equal */`
	`4540`	`+ Assert(false);`
	`4541`	`+`
`4539`	`4542`	`return 0;`
`4540`	`4543`	`}`
`4541`	`4544`
`@@ -4585,6 +4588,9 @@ comparetup_index_hash(const SortTuple a, const SortTuple b,`
`4585`	`4588`	`return (pos1 < pos2) ? -1 : 1;`
`4586`	`4589`	`}`
`4587`	`4590`
	`4591`	`+ /* ItemPointer values should never be equal */`
	`4592`	`+ Assert(false);`
	`4593`	`+`
`4588`	`4594`	`return 0;`
`4589`	`4595`	`}`
`4590`	`4596`