Merge 10.2 into 10.3

mysql-test/main/cte_recursive.result

@@ -3207,6 +3207,38 @@ a
 1
 3
 drop table t1;
+#
+# MDEV-16086: tmp table for CTE is created as ARIA tables
+#
+CREATE TABLE t1 (
+Id int(11) not null AUTO_INCREMENT,
+Parent varchar(15) not null,
+Child varchar(15) not null,
+PRIMARY KEY (Id)
+) ENGINE = MyISAM;
+INSERT INTO t1 (Parent, Child) VALUES
+('123', '456'),('456', '789'),('321', '654'),('654', '987');
+WITH RECURSIVE cte AS
+( SELECT b.Parent,
+b.Child,
+CAST(CONCAT(b.Child,',') AS CHAR(513)) Path
+FROM t1 b
+LEFT OUTER JOIN t1 bc ON b.Child = bc.Parent
+WHERE bc.Id IS NULL
+UNION ALL SELECT c.Parent,
+c.Child,
+CONCAT(p.Path,c.Child,',') Path
+FROM t1 c
+INNER JOIN cte p ON c.Child = p.Parent)
+SELECT *
+FROM cte
+ORDER BY Path;
+Parent	Child	Path
+456	789	789,
+123	456	789,456,
+654	987	987,
+321	654	987,654,
+DROP TABLE t1;
 # Start of 10.3 tests
 #
 # MDEV-14217 [db crash] Recursive CTE when SELECT includes new field

mysql-test/main/cte_recursive.test

@@ -2215,6 +2215,38 @@ select * from qn;
 
 drop table t1;
 
+--echo #
+--echo # MDEV-16086: tmp table for CTE is created as ARIA tables
+--echo #
+
+CREATE TABLE t1 (
+  Id int(11) not null AUTO_INCREMENT,
+  Parent varchar(15) not null,
+  Child varchar(15) not null,
+  PRIMARY KEY (Id)
+) ENGINE = MyISAM;
+
+INSERT INTO t1 (Parent, Child) VALUES
+  ('123', '456'),('456', '789'),('321', '654'),('654', '987');
+
+WITH RECURSIVE cte AS
+  ( SELECT b.Parent,
+           b.Child,
+           CAST(CONCAT(b.Child,',') AS CHAR(513)) Path
+   FROM t1 b
+   LEFT OUTER JOIN t1 bc ON b.Child = bc.Parent
+   WHERE bc.Id IS NULL
+   UNION ALL SELECT c.Parent,
+                    c.Child,
+                    CONCAT(p.Path,c.Child,',') Path
+   FROM t1 c
+   INNER JOIN cte p ON c.Child = p.Parent)
+SELECT *
+FROM cte
+ORDER BY Path;
+
+DROP TABLE t1;
+
 --echo # Start of 10.3 tests
 
 --echo #

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

@@ -540,8 +540,8 @@ row_undo_mod_del_mark_or_remove_sec_low(
 
 	/* For temporary table, we can skip to check older version of
 	clustered index entry, because there is no MVCC or purge. */
-	if (!node->table->is_temporary()
-	    && row_vers_old_has_index_entry(
+	if (node->table->is_temporary()
+	    || 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,