MDEV-16106 Record in index was not found on rollback, trying to insert: TUPLE

During rollback of temporary table logs, secondary index should delete mark
the index entry instead of removing it completely.

mysql-test/suite/innodb/r/temporary_table.result

@@ -638,3 +638,15 @@ t1	CREATE TEMPORARY TABLE `t1` (
   `j` int(11) DEFAULT NULL,
   PRIMARY KEY (`i`) KEY_BLOCK_SIZE=8
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
+DROP TABLE t1;
+CREATE TEMPORARY TABLE t1(f1 INT, KEY(f1)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES(NULL);
+UPDATE t1 SET f1 = 0;
+START TRANSACTION;
+UPDATE t1 SET f1 = 4;
+UPDATE t1 SET f1 = 0;
+ROLLBACK;
+SELECT * FROM t1;
+f1
+0
+DROP TABLE t1;

mysql-test/suite/innodb/t/temporary_table.test

@@ -464,3 +464,14 @@ ALTER TABLE t1 ROW_FORMAT = DYNAMIC;
 set innodb_strict_mode = ON;
 ALTER TABLE t1 ADD COLUMN j INT;
 SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+CREATE TEMPORARY TABLE t1(f1 INT, KEY(f1)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES(NULL);
+UPDATE t1 SET f1 = 0;
+START TRANSACTION;
+UPDATE t1 SET f1 = 4;
+UPDATE t1 SET f1 = 0;
+ROLLBACK;
+SELECT * FROM t1;
+DROP TABLE t1;

storage/innobase/row/row0umod.cc

@@ -428,7 +428,6 @@ row_undo_mod_del_mark_or_remove_sec_low(
 	btr_pcur_t		pcur;
 	btr_cur_t*		btr_cur;
 	ibool			success;
-	ibool			old_has = FALSE;
 	dberr_t			err	= DB_SUCCESS;
 	mtr_t			mtr;
 	mtr_t			mtr_vers;
@@ -507,13 +506,10 @@ row_undo_mod_del_mark_or_remove_sec_low(
 	/* For temporary table, we can skip to check older version of
 	clustered index entry. Because the purge won't process
 	any no-redo rollback segment undo logs. */
-	if (!dict_table_is_temporary(node->table)) {
-		old_has = row_vers_old_has_index_entry(
-				FALSE, btr_pcur_get_rec(&(node->pcur)),
-				&mtr_vers, index, entry, 0, 0);
-	}
-
-	if (old_has) {
+	if (dict_table_is_temporary(node->table)
+	    || row_vers_old_has_index_entry(
+			FALSE, btr_pcur_get_rec(&(node->pcur)),
+			&mtr_vers, index, entry, 0, 0)) {
 		err = btr_cur_del_mark_set_sec_rec(BTR_NO_LOCKING_FLAG,
 						   btr_cur, TRUE, thr, &mtr);
 		ut_ad(err == DB_SUCCESS);