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

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'.

1 files changed, 15 insertions, 0 deletions

diff --git a/mysql-test/t/information_schema.test b/mysql-test/t/information_schema.test
index f8922317eb3..1d368ac6075 100644
--- a/mysql-test/t/information_schema.test
+++ b/mysql-test/t/information_schema.test
@@ -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.