Manual merge of 5.0 into 5.0-runtime

1 files changed, 28 insertions, 0 deletions

diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index 927adfec231..1deda2a4382 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -2602,6 +2602,34 @@ SELECT * FROM t1
 
 DROP TABLE t1,t2,t3;
 
+#                                                                             
+# Bug#23800: Outer fields in correlated subqueries is used in a temporary     
+#            table created for sorting.                                       
+#                                                                             
+CREATE TABLE t1(f1 int);
+CREATE TABLE t2(f2 int, f21 int, f3 timestamp);
+INSERT INTO t1 VALUES (1),(1),(2),(2);
+INSERT INTO t2 VALUES (1,1,"2004-02-29 11:11:11"), (2,2,"2004-02-29 11:11:11");
+SELECT ((SELECT f2 FROM t2 WHERE f21=f1 LIMIT 1) * COUNT(f1)) AS sq FROM t1 GROUP BY f1;
+SELECT (SELECT SUM(1) FROM t2 ttt GROUP BY t2.f3 LIMIT 1) AS tt FROM t2;
+PREPARE stmt1 FROM 'SELECT ((SELECT f2 FROM t2 WHERE f21=f1 LIMIT 1) * COUNT(f1)) AS sq FROM t1 GROUP BY f1';
+EXECUTE stmt1;
+EXECUTE stmt1;
+DEALLOCATE PREPARE stmt1;
+SELECT f2, AVG(f21), 
+      (SELECT t.f3 FROM t2 AS t WHERE t2.f2=t.f2 AND t.f3=MAX(t2.f3)) AS test
+  FROM t2 GROUP BY f2;
+DROP TABLE t1,t2;                                                             
+CREATE TABLE t1 (a int, b INT, c CHAR(10) NOT NULL);                          
+INSERT INTO t1 VALUES                                                         
+  (1,1,'a'), (1,2,'b'), (1,3,'c'), (1,4,'d'), (1,5,'e'),                      
+  (2,1,'f'), (2,2,'g'), (2,3,'h'), (3,4,'i'), (3,3,'j'),                      
+  (3,2,'k'), (3,1,'l'), (1,9,'m');                                            
+SELECT a, MAX(b),                                                             
+      (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b)) AS test      
+  FROM t1 GROUP BY a;                                                         
+DROP TABLE t1;      
+
 #
 # Bug#21904 (parser problem when using IN with a double "(())")
 #