mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-05-16 11:57:38 +02:00
Code Issues Projects Releases Packages Wiki Activity

Fixed that packed transid can be compared byte per byte and we get them in increasing order

Browse source 
The old way to store the length prefix was (256 - length); This is now changed to (length -249)
Fixed also that some defines to have a MARIA_ prefix

storage/maria/ma_control_file.c:
  Added comment
storage/maria/ma_key.c:
  Added MARIA_ prefix to some defines
  Changed how packed transid length was stored
storage/maria/ma_open.c:
  Added MARIA_ prefix to some defines
storage/maria/maria_def.h:
  Added MARIA_ prefix to some defines
  Changed how packed transid length was stored
This commit is contained in:
Michael Widenius 2008-11-04 12:54:04 +02:00
commit e4febda89e
4 changed files with 42 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

8
storage/maria/ma_control_file.c
View file

@ -185,8 +185,12 @@ static CONTROL_FILE_ERROR create_control_file(const char *name,
files around (indeed it could be that the control file alone was deleted
or not restored, and we should not go on with life at this point).
TODO: For now we trust (this is alpha version), but for beta if would
be great to verify.
Things should still be relatively safe as if someone tries to use
an old table with a new control file the different uuid:s between
the files will cause ma_open() to generate an HA_ERR_OLD_FILE
error. When used from mysqld this will cause the table to be open
in repair mode which will remove all dependencies between the
table and the old control file.
We could have a tool which can rebuild the control file, by reading the
directory of logs, finding the newest log, reading it to find last