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Bug#28266 IS_UPDATABLE field on VIEWS table in I_S database is wrong

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IS_UPDATABLE flag is set to 'yes' when the view has at least one updatable column and
the algorithm is not 'temporary'.


mysql-test/r/information_schema.result:
  test result
mysql-test/r/view.result:
  test result
mysql-test/t/information_schema.test:
  test case
mysql-test/t/view.test:
  test case
sql/sql_show.cc:
  IS_UPDATABLE flag is set to 'yes' when the view has at least one updatable column and
  the algorithm is not 'temporary'.
This commit is contained in:
unknown
2007-06-09 16:52:37 +05:00
parent d1a8d7f431
commit ce4e9f7580
5 changed files with 72 additions and 1 deletions
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15
mysql-test/t/information_schema.test
View File

@ -1023,4 +1023,19 @@ where t.table_schema = 'information_schema' and
group by c2.column_type order by num limit 1)
group by t.table_name order by num1, t.table_name;
#
# Bug#28266 IS_UPDATABLE field on VIEWS table in I_S database is wrong
#
create table t1(f1 int);
create view v1 as select f1+1 as a from t1;
create table t2 (f1 int, f2 int);
create view v2 as select f1+1 as a, f2 as b from t2;
select table_name, is_updatable from information_schema.views;
#
# Note: we can perform 'delete' for non updatable view.
#
delete from v1;
drop view v1,v2;
drop table t1,t2;
# End of 5.0 tests.

4
mysql-test/t/view.test
View File

@ -32,6 +32,7 @@ create view v1 (c,d) as select a,b from t1
# simple view
create view v1 (c) as select b+1 from t1;
select c from v1;
select is_updatable from information_schema.views where table_name='v1';
# temporary table should not hide table of view
create temporary table t1 (a int, b int);
@ -228,6 +229,8 @@ create table t1 (a int, b int, primary key(a));
insert into t1 values (10,2), (20,3), (30,4), (40,5), (50,10);
create view v1 (a,c) as select a, b+1 from t1;
create algorithm=temptable view v2 (a,c) as select a, b+1 from t1;
select is_updatable from information_schema.views where table_name='v2';
select is_updatable from information_schema.views where table_name='v1';
# try to update expression
-- error 1348
update v1 set c=a+c;
@ -497,6 +500,7 @@ insert into t1 values(5,'Hello, world of views');
create view v1 as select * from t1;
create view v2 as select * from v1;
update v2 set col2='Hello, view world';
select is_updatable from information_schema.views;
select * from t1;
drop view v2, v1;
drop table t1;