From e5bd22ff066c390c10ea1f21d880cca90c1c0df0 Mon Sep 17 00:00:00 2001
From: "igor@igor-inspiron.creware.com" <>
Date: Wed, 6 Jul 2005 09:00:17 -0700
Subject: [PATCH] view.result, view.test:   Added a test case for bug #6120.
 sql_view.cc:   Fixed bug #6120.   The SP cache must be invalidated when a
 view is altered.

---
 mysql-test/r/view.result | 17 +++++++++++++++++
 mysql-test/t/view.test   | 17 +++++++++++++++++
 sql/sql_view.cc          |  4 ++++
 3 files changed, 38 insertions(+)

diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index cebf88464cf..7bcfaf8bdc3 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -1923,3 +1923,20 @@ ERROR HY000: Field of view 'test.v2' underlying table doesn't have a default val
 set sql_mode=default;
 drop view v2,v1;
 drop table t1;
+CREATE TABLE t1 (s1 int, s2 int);
+INSERT  INTO t1 VALUES (1,2);
+CREATE VIEW v1 AS SELECT s2 AS s1, s1 AS s2 FROM t1;
+SELECT * FROM v1;
+s1	s2
+2	1
+CREATE PROCEDURE p1 () SELECT * FROM v1;
+CALL p1();
+s1	s2
+2	1
+ALTER VIEW v1 AS SELECT s1 AS s1, s2 AS s2 FROM t1;
+CALL p1();
+s1	s2
+1	2
+DROP PROCEDURE p1;
+DROP VIEW v1;
+DROP TABLE t1;
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index f3e32754821..6b6b3d8a00f 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -1761,3 +1761,20 @@ INSERT INTO v2 (vcol1) VALUES(12);
 set sql_mode=default;
 drop view v2,v1;
 drop table t1;
+
+#
+# Test for bug #6120: SP cache to be invalidated when altering a view
+#
+
+CREATE TABLE t1 (s1 int, s2 int);
+INSERT  INTO t1 VALUES (1,2);
+CREATE VIEW v1 AS SELECT s2 AS s1, s1 AS s2 FROM t1;
+SELECT * FROM v1;
+CREATE PROCEDURE p1 () SELECT * FROM v1;
+CALL p1();
+ALTER VIEW v1 AS SELECT s1 AS s1, s2 AS s2 FROM t1;
+CALL p1();
+
+DROP PROCEDURE p1;
+DROP VIEW v1;
+DROP TABLE t1;
diff --git a/sql/sql_view.cc b/sql/sql_view.cc
index c8abee1e7dc..d74b96de2cd 100644
--- a/sql/sql_view.cc
+++ b/sql/sql_view.cc
@@ -20,6 +20,7 @@
 #include "parse_file.h"
 #include "sp.h"
 #include "sp_head.h"
+#include "sp_cache.h"
 
 #define MD5_BUFF_LENGTH 33
 
@@ -141,6 +142,9 @@ bool mysql_create_view(THD *thd,
     goto err;
   }
 
+  if (mode != VIEW_CREATE_NEW)
+    sp_cache_invalidate();
+
 #ifndef NO_EMBEDDED_ACCESS_CHECKS
   /*
     Privilege check for view creation: