postreview fixes

mysql-test/r/multi_update.result:
  test with multiupdate reopening tables
mysql-test/t/multi_update.test:
  test with multiupdate reopening tables
sql/item.cc:
  processor for cleunuping items in item tree
sql/item.h:
  processor for cleunuping items in item tree
sql/sql_update.cc:
  fixed case when lock reopened tables
sql/table.cc:
  methos for cleunup view itema of table if they are present
sql/table.h:
  methos for cleunup view itema of table if they are present

1 files changed, 21 insertions, 0 deletions

diff --git a/mysql-test/r/multi_update.result b/mysql-test/r/multi_update.result
index 5ef0ff8e82f..b853b05f153 100644
--- a/mysql-test/r/multi_update.result
+++ b/mysql-test/r/multi_update.result
@@ -490,3 +490,24 @@ insert into t2 select * from t1;
 delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b;
 set @@storage_engine=@ttype_save;
 drop table t1,t2;
+create table t1 (a int, b int);
+insert into t1 values (1, 2), (2, 3), (3, 4);
+create table t2 (a int);
+insert into t2 values (10), (20), (30);
+create view v1 as select a as b, a/10 as a from t2;
+lock table t1 write;
+ alter table t1 add column c int default 100 after a;
+ update t1, v1 set t1.b=t1.a+t1.b+v1.b where t1.a=v1.a;
+unlock tables;
+select * from t1;
+a	c	b
+1	100	13
+2	100	25
+3	100	37
+select * from t2;
+a
+10
+20
+30
+drop view v1;
+drop table t1, t2;