Merge mysql.com:/home/jimw/my/mysql-5.1-17139

into  mysql.com:/home/jimw/my/mysql-5.1-clean


sql/sql_parse.cc:
  Auto merged

mysql-test/t/partition_grant.test

@@ -0,0 +1,51 @@
+-- source include/have_partition.inc
+# Grant tests not performed with embedded server
+-- source include/not_embedded.inc
+
+--disable_warnings
+drop schema if exists mysqltest_1;
+--enable_warnings
+
+
+#
+# Bug #17139: ALTER TABLE ... DROP PARTITION should require DROP privilege
+#
+
+create schema mysqltest_1;
+use mysqltest_1;
+
+create table t1 (a int) partition by list (a) (partition p1 values in (1), partition p2 values in (2), partition p3 values in (3));
+insert into t1 values (1),(2);
+
+grant select,alter on mysqltest_1.* to mysqltest_1@localhost;
+
+connect (conn1,localhost,mysqltest_1,,mysqltest_1);
+show grants for current_user;
+alter table t1 add b int;
+--error ER_TABLEACCESS_DENIED_ERROR
+alter table t1 drop partition p2;
+disconnect conn1;
+
+connection default;
+grant drop on mysqltest_1.* to mysqltest_1@localhost;
+
+connect (conn2,localhost,mysqltest_1,,mysqltest_1);
+alter table t1 drop partition p2;
+disconnect conn2;
+
+connection default;
+revoke alter on mysqltest_1.* from mysqltest_1@localhost;
+
+connect (conn3,localhost,mysqltest_1,,mysqltest_1);
+--error ER_TABLEACCESS_DENIED_ERROR
+alter table t1 drop partition p3;
+disconnect conn3;
+
+connection default;
+
+revoke select,alter,drop on mysqltest_1.* from mysqltest_1@localhost;
+drop user mysqltest_1@localhost;
+drop table t1;
+drop schema mysqltest_1;
+
+--echo End of 5.1 tests