| Bug #34065 | Backup: file names may be too short | ||
|---|---|---|---|
| Submitted: | 25 Jan 2008 18:43 | Modified: | 20 Feb 2010 19:45 |
| Reporter: | Peter Gulutzan | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: Backup | Severity: | S3 (Non-critical) |
| Version: | 6.0.5-alpha-debug | OS: | Linux (SUSE 10 / 64-bit) |
| Assigned to: | Anurag Shekhar | CPU Architecture: | Any |
[26 Jan 2008 11:58]
Sveta Smirnova
Thank you for the report. Verified as described.
[28 Jan 2010 10:40]
Bugs System
A patch for this bug has been committed. After review, it may be pushed to the relevant source trees for release in the next version. You can access the patch from: http://lists.mysql.com/commits/98442 2938 Anurag Shekhar 2010-01-28 Bug #34065 Backup: file names may be too short. Size of backup_file was 100, so the longer names were getting truncated while insert. Increasing the size to 255 fixed the problem. @ mysql-test/suite/backup/r/backup_misc.result Added a new test script for bug#34065 This file can be used for all uncategorised tests. @ mysql-test/suite/backup/t/backup_misc.test Result file for newly added test script. @ scripts/mysql_system_tables.sql Updated backup_history table defnition to increase the size of backup_file field width to 255. @ scripts/mysql_system_tables_fix.sql Added Alter table statement to increase size of backup_history.backup_file to 255.
[28 Jan 2010 18:37]
Rafal Somla
Good to push.
[29 Jan 2010 8:51]
Ingo Strüwing
Approved pending changes. Please see email for details.
[29 Jan 2010 9:46]
Bugs System
A patch for this bug has been committed. After review, it may be pushed to the relevant source trees for release in the next version. You can access the patch from: http://lists.mysql.com/commits/98563 2941 Anurag Shekhar 2010-01-29 Bug #34065 Backup: file names may be too short. Size of backup_file was 100, so the longer names were getting truncated while insert. Increasing the size to 255 fixed the problem. @ mysql-test/suite/backup/r/backup_misc.result Result file for newly added test script. @ mysql-test/suite/backup/t/backup_misc.test Added a new test script for bug#34065 This file can be used for all uncategorised tests. @ scripts/mysql_system_tables.sql Updated backup_history table defnition to increase the size of backup_file field width to 255. @ scripts/mysql_system_tables_fix.sql Added Alter table statement to increase size of backup_history.backup_file to 255.
[29 Jan 2010 18:40]
Bugs System
A patch for this bug has been committed. After review, it may be pushed to the relevant source trees for release in the next version. You can access the patch from: http://lists.mysql.com/commits/98678 3076 Chuck Bell 2010-01-29 Bug #34065 Backup: file names may be too short. Size of backup_file was 100, so the longer names were getting truncated while insert. original changeset: 2941 (mysql-6.0-backup)
[29 Jan 2010 18:41]
Bugs System
A patch for this bug has been committed. After review, it may be pushed to the relevant source trees for release in the next version. You can access the patch from: http://lists.mysql.com/commits/98679 3077 Chuck Bell 2010-01-29 Fixing regression caused by patch for bug#34065 original changeset: 2942 (mysql-6.0-backup)
[20 Feb 2010 9:16]
Bugs System
Pushed into 6.0.14-alpha (revid:ingo.struewing@sun.com-20100218152520-s4v1ld76bif06eqn) (version source revid:ingo.struewing@sun.com-20100202134837-dgbscc9m1d4dnw3y) (merge vers: 6.0.14-alpha) (pib:16)
[20 Feb 2010 19:45]
Paul DuBois
Noted in 6.0.14 changelog. The size of backup_history.backup_file was increased from 100 to 255 characters to reduce the chance of file name truncation when logging backup or restore operations.

Description: In mysql.online_backup, file name columns are too short. I can backup with a 255-character filename, but I only see the first 100 characters in mysql.online_backup.backup_file. System columns for file/path information have varying definitions: mysql.online_backup.backup_file is CHAR(100) mysql.online_backup.binlog_file is CHAR(64) mysql.plugin.dl is CHAR(128) COLLATE utf8_bin information_schema.plugins.library is VARCHAR(64) information_schema.files.file_name is VARCHAR(64) ... So I don't think there is any standard length or collation. But whatever the arbitrary maximum is, it should not be greater than length(mysql.online_backup.backup_file). How to repeat: mysql> SELECT LENGTH('X12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234') as len; +-----+ | len | +-----+ | 255 | +-----+ 1 row in set (0.00 sec) mysql> backup database test to 'X12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234'; +-----------+ | backup_id | +-----------+ | 5 | +-----------+ 1 row in set (0.14 sec) mysql> select length(backup_file),backup_file from mysql.online_backup -> where backup_file like 'X%'; +---------------------+------------------------------------------------------------------------------------------------------+ | length(backup_file) | backup_file | +---------------------+------------------------------------------------------------------------------------------------------+ | 100 | X123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 | +---------------------+------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec)