Cleanup of db option cacheing

Some bug fixes to last pushed code

mysql-test/mysql-test-run.sh

@@ -370,7 +370,7 @@ while test $# -gt 0; do
         $ECHO "You need to have the 'valgrind' program in your PATH to run mysql-test-run with option --valgrind. Valgrind's home page is http://developer.kde.org/~sewardj ."
         exit 1
       fi
-      VALGRIND="$VALGRIND --alignment=8 --leak-check=yes --num-callers=16"
+      VALGRIND="$VALGRIND --tool=memcheck --alignment=8 --leak-check=yes --num-callers=16"
       EXTRA_MASTER_MYSQLD_OPT="$EXTRA_MASTER_MYSQLD_OPT --skip-safemalloc --skip-bdb"
       EXTRA_SLAVE_MYSQLD_OPT="$EXTRA_SLAVE_MYSQLD_OPT --skip-safemalloc --skip-bdb"
       SLEEP_TIME_AFTER_RESTART=10

mysql-test/r/bdb.result

@@ -785,7 +785,7 @@ Table	Op	Msg_type	Msg_text
 test.t1	optimize	status	OK
 show keys from t1;
 Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
-t1	0	PRIMARY	1	a	NULL	2	NULL	NULL		BTREE	
+t1	0	PRIMARY	1	a	A	2	NULL	NULL		BTREE	
 drop table t1;
 create table t1 (i int, j int )ENGINE=BDB;
 insert into t1 values (1,2);

mysql-test/t/ps_1general.test

@@ -369,7 +369,6 @@ revoke all privileges on test.t1 from drop_user@localhost ;
 --error 1295
 prepare stmt3 from ' drop user drop_user@localhost ';
 drop user drop_user@localhost;
---error 1141
 
 #### table related commands
 ## describe