Merge adventure.(none):/home/thek/Development/cpp/bug30269/my50-bug30269

into  adventure.(none):/home/thek/Development/cpp/bug30269/my51-bug30269


mysql-test/r/query_cache.result:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
sql/sql_cache.cc:
  Auto merged

mysql-test/r/query_cache.result

@@ -1532,10 +1532,11 @@ a	(select count(*) from t2)
 4	0
 drop table t1,t2;
 DROP DATABASE IF EXISTS bug30269;
+FLUSH STATUS;
 CREATE DATABASE bug30269;
 USE bug30269;
 CREATE TABLE test1 (id int, name varchar(23));
-CREATE VIEW view1 AS SELECT id FROM test1;
+CREATE VIEW view1 AS SELECT * FROM test1;
 INSERT INTO test1 VALUES (5, 'testit');
 GRANT SELECT (id) ON TABLE bug30269.test1 TO 'bug30269'@'localhost';
 GRANT SELECT ON TABLE bug30269.view1 TO 'bug30269'@'localhost';
@@ -1544,15 +1545,19 @@ USE bug30269;
 show status like 'Qcache_queries_in_cache';
 Variable_name	Value
 Qcache_queries_in_cache	0
+# Select statement not stored in query cache because of column privileges.
 SELECT id FROM test1 WHERE id>2;
 id
 5
+show status like 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	0
 SELECT id FROM view1 WHERE id>2;
 id
 5
 show status like 'Qcache_queries_in_cache';
 Variable_name	Value
-Qcache_queries_in_cache	0
+Qcache_queries_in_cache	1
 DROP DATABASE bug30269;
 DROP USER 'bug30269'@'localhost';
 set GLOBAL query_cache_type=default;

mysql-test/t/query_cache.test

@@ -1132,10 +1132,11 @@ disconnect user3;
 --disable_warnings
 DROP DATABASE IF EXISTS bug30269;
 --enable_warnings
+FLUSH STATUS;
 CREATE DATABASE bug30269;
 USE bug30269;
 CREATE TABLE test1 (id int, name varchar(23));
-CREATE VIEW view1 AS SELECT id FROM test1;
+CREATE VIEW view1 AS SELECT * FROM test1;
 INSERT INTO test1 VALUES (5, 'testit');
 GRANT SELECT (id) ON TABLE bug30269.test1 TO 'bug30269'@'localhost';
 GRANT SELECT ON TABLE bug30269.view1 TO 'bug30269'@'localhost';
@@ -1144,7 +1145,9 @@ connect (bug30269, localhost, bug30269,,);
 connection bug30269;
 USE bug30269;
 show status like 'Qcache_queries_in_cache';
+--echo # Select statement not stored in query cache because of column privileges.
 SELECT id FROM test1 WHERE id>2;
+show status like 'Qcache_queries_in_cache';
 SELECT id FROM view1 WHERE id>2;
 show status like 'Qcache_queries_in_cache';
 

sql/sql_cache.cc

@@ -3237,8 +3237,19 @@ Query_cache::process_and_count_tables(THD *thd, TABLE_LIST *tables_used,
       The grant.want_privileges flag was set to 1 in the
       check_grant() function earlier if the TABLE_LIST object
       had any associated column privileges.
+
+      We need to check that the TABLE_LIST object isn't part
+      of a VIEW definition because we want to be able to cache
+      views.
+
+      TODO: Although it is possible to cache views, the privilege
+      check on view tables always fall back on column privileges
+      even if there are more generic table privileges. Thus it isn't
+      currently possible to retrieve cached view-tables unless the
+      client has the super user privileges.
     */
-    if (tables_used->grant.want_privilege)
+    if (tables_used->grant.want_privilege &&
+        tables_used->belong_to_view == NULL)
     {
       DBUG_PRINT("qcache", ("Don't cache statement as it refers to "
                             "tables with column privileges."));