mirror of
				https://github.com/MariaDB/server.git
				synced 2025-10-24 07:13:33 +03:00 
			
		
		
		
	The task is to (a) add a comment on indexes and (b) increase the maximum length of column, table and the new index comments. The patch committed on behalf of Yoshinori Matsunobu (Yoshinori.Matsunobu@Sun.COM).
		
			
				
	
	
		
			124 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| drop database if exists mysqltest_db1;
 | |
| create database mysqltest_db1;
 | |
| use mysqltest_db1;
 | |
| create table t_column_priv_only (a int, b int);
 | |
| create table t_select_priv like t_column_priv_only;
 | |
| create table t_no_priv like t_column_priv_only;
 | |
| grant all privileges on test.* to mysqltest_u1@localhost;
 | |
| grant insert (a) on mysqltest_db1.t_column_priv_only to mysqltest_u1@localhost;
 | |
| grant select on mysqltest_db1.t_select_priv to mysqltest_u1@localhost;
 | |
| ** Connect as restricted user mysqltest_u1.
 | |
| 
 | |
| ** Test column level privileges only. No SELECT privileges on the table.
 | |
| ** INSERT INTO ... VALUES ...
 | |
| ** Attempting to insert values to a table with only column privileges
 | |
| ** should work.
 | |
| insert into mysqltest_db1.t_column_priv_only (a) VALUES (1);
 | |
| 
 | |
| ** SHOW COLUMNS
 | |
| ** Should succeed because we have privileges (any) on at least one of the columns.
 | |
| select column_name as 'Field',column_type as 'Type',is_nullable as 'Null',column_key as 'Key',column_default as 'Default',extra as 'Extra' from information_schema.columns where table_schema='mysqltest_db1' and table_name='t_column_priv_only';
 | |
| Field	Type	Null	Key	Default	Extra
 | |
| a	int(11)	YES		NULL	
 | |
| show columns from mysqltest_db1.t_column_priv_only;
 | |
| Field	Type	Null	Key	Default	Extra
 | |
| a	int(11)	YES		NULL	
 | |
| ** SHOW COLUMNS
 | |
| ** Should fail because there are no privileges on any column combination.
 | |
| show columns from mysqltest_db1.t_no_priv;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't_no_priv'
 | |
| ** However, select from I_S.COLUMNS will succeed but not show anything:
 | |
| select column_name as 'Field',column_type as 'Type',is_nullable as 'Null',column_key as 'Key',column_default as 'Default',extra as 'Extra' from information_schema.columns where table_schema='mysqltest_db1' and table_name='t_no_priv';
 | |
| Field	Type	Null	Key	Default	Extra
 | |
| 
 | |
| ** CREATE TABLE ... LIKE ... require SELECT privleges and will fail.
 | |
| create table test.t_no_priv like mysqltest_db1.column_priv_only;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 'column_priv_only'
 | |
| 
 | |
| ** Just to be sure... SELECT also fails.
 | |
| select * from mysqltest_db1.t_column_priv_only;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't_column_priv_only'
 | |
| 
 | |
| ** SHOW CREATE TABLE ... require any privileges on all columns (the entire table).
 | |
| ** First we try and fail on a table with only one column privilege.
 | |
| show create table mysqltest_db1.t_column_priv_only;
 | |
| ERROR 42000: SHOW command denied to user 'mysqltest_u1'@'localhost' for table 't_column_priv_only'
 | |
| 
 | |
| ** Now we do the same on a table with SELECT privileges.
 | |
| 
 | |
| ** SHOW COLUMNS
 | |
| ** Success because we got some privileges on the table (SELECT_ACL)
 | |
| show columns from mysqltest_db1.t_select_priv;
 | |
| Field	Type	Null	Key	Default	Extra
 | |
| a	int(11)	YES		NULL	
 | |
| b	int(11)	YES		NULL	
 | |
| 
 | |
| ** CREATE TABLE ... LIKE ... require SELECT privleges and will SUCCEED.
 | |
| drop table if exists test.t_duplicated;
 | |
| create table test.t_duplicated like mysqltest_db1.t_select_priv;
 | |
| drop table test.t_duplicated;
 | |
| 
 | |
| ** SHOW CREATE TABLE will succeed because we have a privilege on all columns in the table (table-level privilege).
 | |
| show create table mysqltest_db1.t_select_priv;
 | |
| Table	Create Table
 | |
| t_select_priv	CREATE TABLE `t_select_priv` (
 | |
|   `a` int(11) DEFAULT NULL,
 | |
|   `b` int(11) DEFAULT NULL
 | |
| ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 | |
| 
 | |
| ** SHOW CREATE TABLE will fail if there is no grants at all: 
 | |
| show create table mysqltest_db1.t_no_priv;
 | |
| ERROR 42000: SHOW command denied to user 'mysqltest_u1'@'localhost' for table 't_no_priv'
 | |
| 
 | |
| use mysqltest_db1;
 | |
| CREATE TABLE t5 (s1 INT);
 | |
| CREATE INDEX i ON t5 (s1);
 | |
| CREATE TABLE t6 (s1 INT, s2 INT);
 | |
| CREATE VIEW v5 AS SELECT * FROM t5;
 | |
| CREATE VIEW v6 AS SELECT * FROM t6;
 | |
| CREATE VIEW v2 AS SELECT * FROM t_select_priv;
 | |
| CREATE VIEW v3 AS SELECT * FROM t_select_priv;
 | |
| CREATE INDEX i ON t6 (s1);
 | |
| GRANT UPDATE (s2) ON t6 to mysqltest_u1@localhost;
 | |
| GRANT UPDATE (s2) ON v6 to mysqltest_u1@localhost;
 | |
| GRANT SHOW VIEW ON v2 to mysqltest_u1@localhost;
 | |
| GRANT SHOW VIEW, SELECT ON v3 to mysqltest_u1@localhost;
 | |
| use mysqltest_db1;
 | |
| ** Connect as restricted user mysqltest_u1.
 | |
| ** SELECT FROM INFORMATION_SCHEMA.STATISTICS will succeed because any privileges will do (authentication is enough).
 | |
| SELECT * FROM INFORMATION_SCHEMA.STATISTICS WHERE table_name='t5';
 | |
| TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	NON_UNIQUE	INDEX_SCHEMA	INDEX_NAME	SEQ_IN_INDEX	COLUMN_NAME	COLLATION	CARDINALITY	SUB_PART	PACKED	NULLABLE	INDEX_TYPE	COMMENT	INDEX_COMMENT
 | |
| def	mysqltest_db1	t5	1	mysqltest_db1	i	1	s1	A	NULL	NULL	NULL	YES	BTREE		
 | |
| ** SHOW INDEX FROM t5 will fail because we don't have any privileges on any column combination.
 | |
| SHOW INDEX FROM t5;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't5'
 | |
| ** SHOW INDEX FROM t6 will succeed because there exist a privilege on a column combination on t6.
 | |
| SHOW INDEX FROM t6;
 | |
| Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
 | |
| t6	1	i	1	s1	A	NULL	NULL	NULL	YES	BTREE		
 | |
| ** CHECK TABLE requires any privilege on any column combination and should succeed for t6:
 | |
| CHECK TABLE t6;
 | |
| Table	Op	Msg_type	Msg_text
 | |
| mysqltest_db1.t6	check	status	OK
 | |
| ** With no privileges access is naturally denied:
 | |
| CHECK TABLE t5;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't5'
 | |
| ** CHECKSUM TABLE requires SELECT privileges on the table. The following should fail:
 | |
| CHECKSUM TABLE t6;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 't6'
 | |
| ** And this should work:
 | |
| CHECKSUM TABLE t_select_priv;
 | |
| Table	Checksum
 | |
| mysqltest_db1.t_select_priv	0
 | |
| SHOW CREATE VIEW v5;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 'v5'
 | |
| SHOW CREATE VIEW v6;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 'v6'
 | |
| SHOW CREATE VIEW v2;
 | |
| ERROR 42000: SELECT command denied to user 'mysqltest_u1'@'localhost' for table 'v2'
 | |
| SHOW CREATE VIEW v3;
 | |
| View	Create View	character_set_client	collation_connection
 | |
| v3	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v3` AS select `t_select_priv`.`a` AS `a`,`t_select_priv`.`b` AS `b` from `t_select_priv`	latin1	latin1_swedish_ci
 | |
| drop database mysqltest_db1;
 | |
| drop user mysqltest_u1@localhost;
 |