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diff --git a/mysql-test/t/timezone_grant.test b/mysql-test/t/timezone_grant.test
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+# Embedded server testing does not support grants
+-- source include/not_embedded.inc
+
+#
+# Test for bug #6116 "SET time_zone := ... requires access to mysql.time_zone
+# tables". We should allow implicit access to time zone description tables
+# even for unprivileged users.
+#
+
+# Let us prepare playground
+delete from mysql.user where user like 'mysqltest\_%';
+delete from mysql.db where user like 'mysqltest\_%';
+delete from mysql.tables_priv where user like 'mysqltest\_%';
+delete from mysql.columns_priv where user like 'mysqltest\_%';
+flush privileges;
+create table t1 (a int, b datetime);
+create table t2 (c int, d datetime);
+
+grant all privileges on test.* to mysqltest_1@localhost;
+connect (tzuser, localhost, mysqltest_1,,);
+connection tzuser;
+show grants for current_user();
+set time_zone= '+00:00';
+set time_zone= 'Europe/Moscow';
+select convert_tz('2004-10-21 19:00:00', 'Europe/Moscow', 'UTC');
+select convert_tz(b, 'Europe/Moscow', 'UTC') from t1;
+# Let us also check whenever multi-update works ok
+update t1, t2 set t1.b = convert_tz('2004-10-21 19:00:00', 'Europe/Moscow', 'UTC')
+              where t1.a = t2.c and t2.d = (select max(d) from t2);
+# But still these two statements should not work:
+--error 1044
+select * from mysql.time_zone_name;
+--error 1044
+select Name, convert_tz('2004-10-21 19:00:00', Name, 'UTC') from mysql.time_zone_name;
+
+#
+# Test for bug #6765 "Implicit access to time zone description tables
+# requires privileges for them if some table or column level grants
+# present"
+#
+connection default;
+# Let use some table-level grants instead of db-level 
+# to make life more interesting
+delete from mysql.db where user like 'mysqltest\_%';
+flush privileges;
+grant all privileges on test.t1 to mysqltest_1@localhost;
+grant all privileges on test.t2 to mysqltest_1@localhost;
+# The test itself is almost the same as previous one
+connect (tzuser2, localhost, mysqltest_1,,);
+connection tzuser2;
+show grants for current_user();
+set time_zone= '+00:00';
+set time_zone= 'Europe/Moscow';
+select convert_tz('2004-11-31 12:00:00', 'Europe/Moscow', 'UTC');
+select convert_tz(b, 'Europe/Moscow', 'UTC') from t1;
+update t1, t2 set t1.b = convert_tz('2004-11-30 12:00:00', 'Europe/Moscow', 'UTC')
+              where t1.a = t2.c and t2.d = (select max(d) from t2);
+# Again these two statements should not work (but with different errors):
+--error 1142
+select * from mysql.time_zone_name;
+--error 1142
+select Name, convert_tz('2004-11-30 12:00:00', Name, 'UTC') from mysql.time_zone_name;
+
+# Clean-up
+connection default;
+delete from mysql.user where user like 'mysqltest\_%';
+delete from mysql.db where user like 'mysqltest\_%';
+delete from mysql.tables_priv where user like 'mysqltest\_%';
+flush privileges;
+drop table t1, t2;
+