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Bug#43385 Cannot ALTER DATABASE ... UPGRADE DATA DIRECTORY NAME when Views exist

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allow 'rename view' for ALTER ...UPGRADE DATA DIRECTORY NAME command.
it's safe because a view has valid internal db&table names in this case.


mysql-test/r/upgrade.result:
  test result
mysql-test/t/upgrade.test:
  test case
sql/sql_rename.cc:
  allow 'rename view' for ALTER ...UPGRADE DATA DIRECTORY NAME command.
  it's safe because a view has valid internal db&table names in this case.
This commit is contained in:
Sergey Glukhov 2009-04-10 14:25:48 +05:00
parent 214bd5a121
commit bb08984f07
3 changed files with 57 additions and 2 deletions
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20
mysql-test/r/upgrade.result
View File

@ -84,3 +84,23 @@ t1 CREATE TABLE `t1` (
) ENGINE=MyISAM DEFAULT CHARSET=latin2 ) ENGINE=MyISAM DEFAULT CHARSET=latin2
drop database `a-b-c`; drop database `a-b-c`;
drop database `tabc`; drop database `tabc`;
use `#mysql50#a-b-c`;
create table t1(f1 char(10));
show databases like '%a-b-c%';
Database (%a-b-c%)
#mysql50#a-b-c
ALTER DATABASE `#mysql50#a-b-c` UPGRADE DATA DIRECTORY NAME;
show databases like '%a-b-c%';
Database (%a-b-c%)
a-b-c
show create view `a-b-c`.v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `a`.`f1` AS `f1` from (`a-b-c`.`t1` `a` join `information_schema`.`tables` `b`) where (convert(`a`.`f1` using utf8) = `b`.`TABLE_NAME`) utf8 utf8_general_ci
Warnings:
Note 1600 Creation context of view `a-b-c`.`v1' is invalid
select * from `a-b-c`.v1;
f1
Warnings:
Note 1600 Creation context of view `a-b-c`.`v1' is invalid
drop database `a-b-c`;
use test;

30
mysql-test/t/upgrade.test
View File

@ -89,3 +89,33 @@ show create table `a-b-c`.`t1`;
drop database `a-b-c`; drop database `a-b-c`;
drop database `tabc`; drop database `tabc`;
#
# Bug#43385 Cannot ALTER DATABASE ... UPGRADE DATA DIRECTORY NAME when Views exist
#
let $MYSQLD_DATADIR= `select @@datadir`;
--mkdir $MYSQLD_DATADIR/a-b-c
use `#mysql50#a-b-c`;
create table t1(f1 char(10));
--write_file $MYSQLD_DATADIR/a-b-c/v1.frm
TYPE=VIEW
query=select `a`.`f1` AS `f1` from `a-b-c`.`t1` `a` join `information_schema`.`tables` `b` where (convert(`a`.`f1` using utf8) = `b`.`TABLE_NAME`)
md5=068271f1c657fe115e497856ca0fa493
updatable=0
algorithm=0
definer_user=root
definer_host=localhost
suid=2
with_check_option=0
timestamp=2009-04-10 11:53:37
create-version=1
source=select f1 from `a-b-c`.t1 a, information_schema.tables b\nwhere a.f1 = b.table_name
EOF
show databases like '%a-b-c%';
ALTER DATABASE `#mysql50#a-b-c` UPGRADE DATA DIRECTORY NAME;
show databases like '%a-b-c%';
show create view `a-b-c`.v1;
select * from `a-b-c`.v1;
drop database `a-b-c`;
use test;

9
sql/sql_rename.cc
View File

@ -301,8 +301,13 @@ do_rename(THD *thd, TABLE_LIST *ren_table, char *new_db, char *new_table_name,
} }
break; break;
case FRMTYPE_VIEW: case FRMTYPE_VIEW:
/* change of schema is not allowed */ /*
if (strcmp(ren_table->db, new_db)) change of schema is not allowed
except of ALTER ...UPGRADE DATA DIRECTORY NAME command
because a view has valid internal db&table names in this case.
*/
if (thd->lex->sql_command != SQLCOM_ALTER_DB_UPGRADE &&
strcmp(ren_table->db, new_db))
my_error(ER_FORBID_SCHEMA_CHANGE, MYF(0), ren_table->db, my_error(ER_FORBID_SCHEMA_CHANGE, MYF(0), ren_table->db,
new_db); new_db);
else else