From 5790b17ecb09e8cceabb48660ae6a3a40904edd2 Mon Sep 17 00:00:00 2001
From: "ram@gw.mysql.r18.ru" <>
Date: Thu, 17 Jun 2004 12:47:58 +0500
Subject: [PATCH] a test case (Bug #4102 Crash with a DBUG window after a
 request)

---
 mysql-test/r/subselect.result |  9 +++++++++
 mysql-test/t/subselect.test   | 12 ++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index b8b899f4850..8393eba7bc3 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -1831,3 +1831,12 @@ Warnings:
 Note	1276	Field or reference 'up.a' of SELECT #2 was resolved in SELECT #1
 Note	1003	select test.up.a AS `a`,test.up.b AS `b` from test.t1 up where exists(select 1 AS `Not_used` from test.t1 where (test.t1.a = test.up.a))
 drop table t1;
+CREATE TABLE t1 (t1_a int);
+INSERT INTO t1 VALUES (1);
+CREATE TABLE t2 (t2_a int, t2_b int, PRIMARY KEY (t2_a, t2_b));
+INSERT INTO t2 VALUES (1, 1), (1, 2);
+SELECT * FROM t1, t2 table2 WHERE t1_a = 1 AND table2.t2_a = 1
+HAVING table2.t2_b = (SELECT MAX(t2_b) FROM t2 WHERE t2_a = table2.t2_a);
+t1_a	t2_a	t2_b
+1	1	2
+DROP TABLE t1, t2;
diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index 4b2fd33abfd..d86335b8ec5 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -1167,3 +1167,15 @@ insert into t1 values (1,2),(3,4);
 select * from t1 up where exists (select * from t1 where t1.a=up.a);
 explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
 drop table t1;
+
+#
+# Bug #4102: subselect in HAVING
+#
+
+CREATE TABLE t1 (t1_a int);
+INSERT INTO t1 VALUES (1);
+CREATE TABLE t2 (t2_a int, t2_b int, PRIMARY KEY (t2_a, t2_b));
+INSERT INTO t2 VALUES (1, 1), (1, 2);
+SELECT * FROM t1, t2 table2 WHERE t1_a = 1 AND table2.t2_a = 1
+  HAVING table2.t2_b = (SELECT MAX(t2_b) FROM t2 WHERE t2_a = table2.t2_a);
+DROP TABLE t1, t2;