SHOW GRANTS hided real grants when grants on both column and table (Bug 654)

mysql-test/r/grant.result:
  Test of grant BUG
mysql-test/t/grant.test:
  Test of grant BUG
sql/sql_acl.cc:
  SHOW GRANTS hided real grants when grants on both column and table (Bug 654)
  Code cleanup (Bigger than intended because of editor problem)
sql/sql_acl.h:
  Fixed grant bug

mysql-test/r/grant.result

+drop table if exists t1;
 delete from mysql.user where user='mysqltest_1';
 delete from mysql.db where user='mysqltest_1';
 flush privileges;
@@ -64,8 +65,44 @@ GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, CREATE TE
 revoke all privileges on mysqltest.* from mysqltest_1@localhost;
 delete from mysql.user where user='mysqltest_1';
 flush privileges;
-grant usage on test.* to user@localhost with grant option;
-show grants for user@localhost;
-Grants for user@localhost
-GRANT USAGE ON *.* TO 'user'@'localhost'
-GRANT USAGE ON `test`.* TO 'user'@'localhost' WITH GRANT OPTION
+grant usage on test.* to mysqltest_1@localhost with grant option;
+show grants for mysqltest_1@localhost;
+Grants for mysqltest_1@localhost
+GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
+GRANT USAGE ON `mysqltest`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION
+GRANT USAGE ON `test`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION
+delete from mysql.user where user='mysqltest_1';
+delete from mysql.db where user='mysqltest_1';
+delete from mysql.tables_priv where user='mysqltest_1';
+delete from mysql.columns_priv where user='mysqltest_1';
+flush privileges;
+create table t1 (a int);
+GRANT select,update,insert on t1 to mysqltest_1@localhost;
+GRANT select (a), update (a),insert(a), references(a) on t1 to mysqltest_1@localhost;
+show grants for mysqltest_1@localhost;
+Grants for mysqltest_1@localhost
+GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
+GRANT SELECT, SELECT (a), INSERT, INSERT (a), UPDATE, UPDATE (a), REFERENCES (a) ON `test`.`t1` TO 'mysqltest_1'@'localhost'
+select table_priv,column_priv from mysql.tables_priv where user="mysqltest_1";
+table_priv	column_priv
+Select,Insert,Update	Select,Insert,Update,References
+REVOKE select (a), update on t1 from mysqltest_1@localhost;
+show grants for mysqltest_1@localhost;
+Grants for mysqltest_1@localhost
+GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
+GRANT SELECT, INSERT, INSERT (a), REFERENCES (a) ON `test`.`t1` TO 'mysqltest_1'@'localhost'
+REVOKE insert,insert (a) on t1 from mysqltest_1@localhost;
+GRANT references on t1 to mysqltest_1@localhost;
+show grants for mysqltest_1@localhost;
+Grants for mysqltest_1@localhost
+GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
+GRANT SELECT, REFERENCES, REFERENCES (a) ON `test`.`t1` TO 'mysqltest_1'@'localhost'
+select table_priv,column_priv from mysql.tables_priv where user="mysqltest_1";
+table_priv	column_priv
+Select,References	References
+delete from mysql.user where user='mysqltest_1';
+delete from mysql.db where user='mysqltest_1';
+delete from mysql.tables_priv where user='mysqltest_1';
+delete from mysql.columns_priv where user='mysqltest_1';
+flush privileges;
+drop table t1;

mysql-test/t/grant.test

+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
 #
 # Test that SSL options works properly
 #
@@ -39,6 +43,32 @@ show grants for mysqltest_1@localhost;
 revoke all privileges on mysqltest.* from mysqltest_1@localhost;
 delete from mysql.user where user='mysqltest_1';
 flush privileges;
-grant usage on test.* to user@localhost with grant option;
-show grants for user@localhost;
+grant usage on test.* to mysqltest_1@localhost with grant option;
+show grants for mysqltest_1@localhost;
+delete from mysql.user where user='mysqltest_1';
+delete from mysql.db where user='mysqltest_1';
+delete from mysql.tables_priv where user='mysqltest_1';
+delete from mysql.columns_priv where user='mysqltest_1';
+flush privileges;
+
+#
+# Test what happens when you have same table and colum level grants
+#
 
+create table t1 (a int);
+GRANT select,update,insert on t1 to mysqltest_1@localhost;
+GRANT select (a), update (a),insert(a), references(a) on t1 to mysqltest_1@localhost;
+show grants for mysqltest_1@localhost;
+select table_priv,column_priv from mysql.tables_priv where user="mysqltest_1";
+REVOKE select (a), update on t1 from mysqltest_1@localhost;
+show grants for mysqltest_1@localhost;
+REVOKE insert,insert (a) on t1 from mysqltest_1@localhost;
+GRANT references on t1 to mysqltest_1@localhost;
+show grants for mysqltest_1@localhost;
+select table_priv,column_priv from mysql.tables_priv where user="mysqltest_1";
+delete from mysql.user where user='mysqltest_1';
+delete from mysql.db where user='mysqltest_1';
+delete from mysql.tables_priv where user='mysqltest_1';
+delete from mysql.columns_priv where user='mysqltest_1';
+flush privileges;
+drop table t1;

sql/sql_acl.h

@@ -76,8 +76,8 @@
 #define get_rights_for_db(A) (((A) & 63) | (((A) & DB_CHUNK1) >> 4) | (((A) & DB_CHUNK2) >> 6))
 #define fix_rights_for_table(A) (((A) & 63) | (((A) & ~63) << 4))
 #define get_rights_for_table(A) (((A) & 63) | (((A) & ~63) >> 4))
-#define fix_rights_for_column(A) (((A) & 7) | (((A) & ~7) << 7))
-#define get_rights_for_column(A) (((A) & 7) | (((A) & ~7) >> 7))
+#define fix_rights_for_column(A) (((A) & 7) | (((A) & ~7) << 8))
+#define get_rights_for_column(A) (((A) & 7) | ((A) >> 8))
 
 /* prototypes */