Fixed BUG#14256: definer in view definition is not fully qualified

  Changed the parser test for wildcards in hostname to checking for empty
  strings instead (analogous with the test in default_view_definer()),
  since wildcards do appear in the definer's host-part sometimes.


mysql-test/r/view.result:
  Updated result.
mysql-test/r/view_grant.result:
  Added test for BUG#14256.
mysql-test/t/view.test:
  Changed test for explicit definer; wildcards in host are ok, empty host-part is not.
mysql-test/t/view_grant.test:
  Added test for BUG#14256.
sql/sql_yacc.yy:
  Changed test for wildcards in hostpart of explicit view definer to test for empty
  host part instead. (Analogous with sql_parse.cc:default_view_definer().)

2 files changed, 46 insertions, 1 deletions

diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index dd773c4c650..aa3189bad69 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -2082,7 +2082,7 @@ drop table t1, t2;
 # DEFINER information check
 #
 -- error ER_NO_VIEW_USER
-create definer=some_user@__% sql security invoker view v1 as select 1;
+create definer=some_user@`` sql security invoker view v1 as select 1;
 create definer=some_user@localhost sql security invoker view v1 as select 1;
 show create view v1;
 drop view v1;
diff --git a/mysql-test/t/view_grant.test b/mysql-test/t/view_grant.test
index ea93345e894..44db66be6c3 100644
--- a/mysql-test/t/view_grant.test
+++ b/mysql-test/t/view_grant.test
@@ -406,3 +406,48 @@ connection root;
 revoke all privileges on mysqltest.* from mysqltest_1@localhost;
 drop database mysqltest;
 
+
+#
+# BUG#14256: definer in view definition is not fully qualified
+#
+--disable_warnings
+drop view if exists v1;
+--enable_warnings
+
+# Backup anonymous users and remove them. (They get in the way of
+# the one we test with here otherwise.)
+create table t1 as select * from mysql.user where user='';
+delete from mysql.user where user='';
+flush privileges;
+
+# Create the test user
+grant all on test.* to 'test14256'@'%';
+
+connect (test14256,localhost,test14256,,test);
+connection test14256;
+use test;
+
+create view v1 as select 42;
+show create view v1;
+
+select definer into @v1def1 from information_schema.views
+  where table_schema = 'test' and table_name='v1';
+drop view v1;
+
+create definer=`test14256`@`%` view v1 as select 42;
+show create view v1;
+
+select definer into @v1def2 from information_schema.views
+  where table_schema = 'test' and table_name='v1';
+drop view v1;
+
+select @v1def1, @v1def2, @v1def1=@v1def2;
+
+connection root;
+drop user test14256;
+
+# Restore the anonymous users.
+insert into mysql.user select * from t1;
+flush privileges;
+
+drop table t1;