5.1-security -> 5.5-security merge

mysql-test/r/subselect_innodb.result

@@ -254,3 +254,63 @@ SELECT * FROM t1 WHERE b < (SELECT CAST(a as date) FROM t1 GROUP BY a);
 a	b
 2011-05-13	0
 DROP TABLE t1;
+#
+# Bug #11766300  59387: FAILING ASSERTION: CURSOR->POS_STATE == 1997660512 (BTR_PCUR_IS_POSITIONE
+#
+CREATE TABLE t1 (a INT) ENGINE=INNODB;
+INSERT INTO t1 VALUES (0);
+CREATE TABLE t2 (d BINARY(2), PRIMARY KEY (d(1)), UNIQUE KEY (d)) ENGINE=INNODB;
+SELECT 1 FROM t1 WHERE NOT EXISTS
+(SELECT 1 FROM t2 WHERE d = (SELECT d FROM t2 WHERE a >= 1) ORDER BY d);
+1
+1
+EXPLAIN SELECT 1 FROM t1 WHERE NOT EXISTS
+(SELECT 1 FROM t2 WHERE d = (SELECT d FROM t2 WHERE a >= 1) ORDER BY d);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	1	Using where
+2	DEPENDENT SUBQUERY	t2	eq_ref	PRIMARY,d	d	2	func	1	Using where
+3	DEPENDENT SUBQUERY	t2	index	NULL	d	2	NULL	1	Using where; Using index
+DROP TABLE t2;
+CREATE TABLE t2 (b INT, c INT, UNIQUE KEY (b), UNIQUE KEY (b, c )) ENGINE=INNODB;
+INSERT INTO t2 VALUES (1, 1);
+SELECT 1 FROM t1
+WHERE a != (SELECT 1 FROM t2 WHERE a <=> b OR a > '' AND 6 = 7 ORDER BY b, c);
+1
+DROP TABLE t1, t2;
+#
+# Bug #13639204 64111: CRASH ON SELECT SUBQUERY WITH NON UNIQUE
+# INDEX
+#
+CREATE TABLE t1 (
+id int
+) ENGINE=InnoDB;
+INSERT INTO t1 (id) VALUES (11);
+CREATE TABLE t2 (
+t1_id int,
+position int,
+KEY t1_id (t1_id),
+KEY t1_id_position (t1_id,position)
+) ENGINE=InnoDB;
+EXPLAIN SELECT
+(SELECT position FROM t2
+WHERE t2.t1_id = t1.id
+ORDER BY t2.t1_id , t2.position
+LIMIT 10,1
+) AS maxkey
+FROM t1
+LIMIT 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	1	
+2	DEPENDENT SUBQUERY	t2	ref	t1_id,t1_id_position	t1_id_position	5	test.t1.id	1	Using where
+SELECT
+(SELECT position FROM t2
+WHERE t2.t1_id = t1.id
+ORDER BY t2.t1_id , t2.position
+LIMIT 10,1
+) AS maxkey
+FROM t1
+LIMIT 1;
+maxkey
+NULL
+DROP TABLE t1,t2;
+End of 5.1 tests

mysql-test/t/subselect_innodb.test

@@ -247,3 +247,61 @@ CREATE TABLE t1(a date, b int, unique(b), unique(a), key(b)) engine=innodb;
 INSERT INTO t1 VALUES ('2011-05-13', 0);
 SELECT * FROM t1 WHERE b < (SELECT CAST(a as date) FROM t1 GROUP BY a); 
 DROP TABLE t1;
+
+
+--echo #
+--echo # Bug #11766300  59387: FAILING ASSERTION: CURSOR->POS_STATE == 1997660512 (BTR_PCUR_IS_POSITIONE
+--echo #
+
+CREATE TABLE t1 (a INT) ENGINE=INNODB;
+INSERT INTO t1 VALUES (0);
+CREATE TABLE t2 (d BINARY(2), PRIMARY KEY (d(1)), UNIQUE KEY (d)) ENGINE=INNODB;
+
+SELECT 1 FROM t1 WHERE NOT EXISTS
+(SELECT 1 FROM t2 WHERE d = (SELECT d FROM t2 WHERE a >= 1) ORDER BY d);
+
+EXPLAIN SELECT 1 FROM t1 WHERE NOT EXISTS
+(SELECT 1 FROM t2 WHERE d = (SELECT d FROM t2 WHERE a >= 1) ORDER BY d);
+
+DROP TABLE t2;
+
+CREATE TABLE t2 (b INT, c INT, UNIQUE KEY (b), UNIQUE KEY (b, c )) ENGINE=INNODB;
+INSERT INTO t2 VALUES (1, 1);
+
+SELECT 1 FROM t1
+WHERE a != (SELECT 1 FROM t2 WHERE a <=> b OR a > '' AND 6 = 7 ORDER BY b, c);
+
+DROP TABLE t1, t2;
+
+--echo #
+--echo # Bug #13639204 64111: CRASH ON SELECT SUBQUERY WITH NON UNIQUE
+--echo # INDEX
+--echo #
+CREATE TABLE t1 (
+id int
+) ENGINE=InnoDB;
+INSERT INTO t1 (id) VALUES (11);
+
+CREATE TABLE t2 (
+t1_id int,
+position int,
+KEY t1_id (t1_id),
+KEY t1_id_position (t1_id,position)
+) ENGINE=InnoDB;
+
+let $query=SELECT
+(SELECT position FROM t2
+WHERE t2.t1_id = t1.id
+ORDER BY t2.t1_id , t2.position
+LIMIT 10,1
+) AS maxkey
+FROM t1
+LIMIT 1;
+
+eval EXPLAIN $query;
+eval $query;
+
+DROP TABLE t1,t2;
+
+--echo End of 5.1 tests
+

sql/sql_select.cc

@@ -5890,6 +5890,7 @@ static bool create_ref_for_key(JOIN *join, JOIN_TAB *j, KEYUSE *org_keyuse,
       }
       keyuse++;
     } while (keyuse->table == table && keyuse->key == key);
+    DBUG_ASSERT(length > 0 && keyparts != 0);
   } /* not ftkey */
 
   /* set up fieldref */
@@ -13698,6 +13699,9 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
   DBUG_ENTER("test_if_skip_sort_order");
   LINT_INIT(ref_key_parts);
 
+  /* Check that we are always called with first non-const table */
+  DBUG_ASSERT(tab == tab->join->join_tab + tab->join->const_tables);
+
   /*
     Keys disabled by ALTER TABLE ... DISABLE KEYS should have already
     been taken into account.
@@ -13779,7 +13783,8 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
           while (keyuse->key != new_ref_key && keyuse->table == tab->table)
             keyuse++;
           if (create_ref_for_key(tab->join, tab, keyuse, 
-                                 tab->join->const_table_map))
+                                 (tab->join->const_table_map |
+                                  OUTER_REF_TABLE_BIT)))
             DBUG_RETURN(0);
 
           pick_table_access_method(tab);

storage/innobase/handler/ha_innodb.cc

@@ -5837,6 +5837,7 @@ ha_innobase::index_read(
 	DBUG_ENTER("index_read");
 
 	ut_a(prebuilt->trx == thd_to_trx(user_thd));
+	ut_ad(key_len != 0 || find_flag != HA_READ_KEY_EXACT);
 
 	ha_statistic_increment(&SSV::ha_read_key_count);