You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
2.3 KiB
54 lines
2.3 KiB
5 months ago
|
# privileges
|
||
|
|
create database mysqltest1;
|
||
|
|
use mysqltest1;
|
||
|
|
create table t1(pub int, priv int);
|
||
|
|
insert into t1 values(1,2);
|
||
|
|
analyze table t1;
|
||
|
|
Table Op Msg_type Msg_text
|
||
|
|
mysqltest1.t1 analyze status OK
|
||
|
|
CREATE USER user1@localhost;
|
||
|
|
GRANT SELECT (pub) ON mysqltest1.t1 TO user1@localhost;
|
||
|
|
use mysqltest1;
|
||
|
|
select pub from t1;
|
||
|
|
pub
|
||
|
|
1
|
||
|
|
select priv from t1;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
select * from (select pub from t1) as dt;
|
||
|
|
pub
|
||
|
|
1
|
||
|
|
explain select * from (select pub from t1) as dt;
|
||
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
||
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 NULL
|
||
|
|
Warnings:
|
||
|
|
Note 1003 /* select#1 */ select `mysqltest1`.`t1`.`pub` AS `pub` from `mysqltest1`.`t1`
|
||
|
|
select /*+ merge(dt) */ * from (select priv from t1) as dt;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
select /*+ no_merge(dt) */ * from (select priv from t1) as dt;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
explain select * from (select priv from t1) as dt;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
with qn as (select pub from t1) select * from qn;
|
||
|
|
pub
|
||
|
|
1
|
||
|
|
explain with qn as (select pub from t1) select * from qn;
|
||
|
|
id select_type table partitions type possible_keys key key_len ref rows filtered Extra
|
||
|
|
1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 NULL
|
||
|
|
Warnings:
|
||
|
|
Note 1003 /* select#1 */ select `mysqltest1`.`t1`.`pub` AS `pub` from `mysqltest1`.`t1`
|
||
|
|
with qn as (select priv from t1) select /*+ merge(qn) */ * from qn;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
with qn as (select priv from t1) select /*+ no_merge(qn) */ * from qn;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
explain with qn as (select priv from t1) select * from qn;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
with qn2 as (with qn as (select pub from t1) select * from qn)
|
||
|
|
select * from qn2;
|
||
|
|
pub
|
||
|
|
1
|
||
|
|
with qn2 as (with qn as (select priv from t1) select * from qn)
|
||
|
|
select * from qn2;
|
||
|
|
ERROR 42000: SELECT command denied to user 'user1'@'localhost' for column 'priv' in table 't1'
|
||
|
|
drop user user1@localhost;
|
||
|
|
drop database mysqltest1;
|