Hi, ok to push.
R: Jan On Thu, Dec 1, 2016 at 8:36 AM, <[email protected]> wrote: > revision-id: 2c9bb42d901fc4f48f4884e4a85af74eae6d0929 > (mariadb-10.2.2-91-g2c9bb42) > parent(s): dc9f919f27fccfeb0de3ab392f33bc5efdfd59a0 > author: Marko Mäkelä > committer: Marko Mäkelä > timestamp: 2016-12-01 08:28:59 +0200 > message: > > MDEV-11432 Change the informational redo log format tag to "MariaDB 10.2.3" > > MariaDB 10.2 incorporates MySQL 5.7. MySQL 5.7.9 (the first GA release > of the series) introduced an informational field to the InnoDB redo log > header, which identifies the server version where the redo log files > were created (initialized, resized or updated), in > WL#8845: InnoDB: Redo log format version identifier. > > The informational message would be displayed to the user, for example > if someone tries to start up MySQL 8.0 after killing a MariaDB 10.2 server. > In the current MariaDB 10.2 source code, the identifier string would > misleadingly say "MySQL 5.7.14" (using the hard-coded version number in > univ.i) instead of "MariaDB 10.2.3" (using the contents of the VERSION > file, the build system copies to config.h and my_config.h). > > This is only a cosmetic change. The compatibility check is based on a > numeric identifier. > > We should probably also change the numeric identifier and some logic > around it. MariaDB 10.2 should refuse to recover from a crashed MySQL 5.7 > instance, because the redo log might contain references to shared > tablespaces, > which are not supported by MariaDB 10.2. Also, when MariaDB 10.2 creates > an encrypted redo log, there should be a redo log format version tag that > will prevent MySQL 5.7 or 8.0 from starting up. > > --- > storage/innobase/include/log0log.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/storage/innobase/include/log0log.h > b/storage/innobase/include/log0log.h > index c1f2570..caa067c 100644 > --- a/storage/innobase/include/log0log.h > +++ b/storage/innobase/include/log0log.h > @@ -555,7 +555,11 @@ or the MySQL version that created the redo log file. > */ > /** End of the log file creator field. */ > #define LOG_HEADER_CREATOR_END (LOG_HEADER_CREATOR + 32) > /** Contents of the LOG_HEADER_CREATOR field */ > -#define LOG_HEADER_CREATOR_CURRENT "MySQL " INNODB_VERSION_STR > +#define LOG_HEADER_CREATOR_CURRENT \ > + "MariaDB " \ > + IB_TO_STR(MYSQL_VERSION_MAJOR) "." \ > + IB_TO_STR(MYSQL_VERSION_MINOR) "." \ > + IB_TO_STR(MYSQL_VERSION_PATCH) > > /** The redo log format identifier corresponding to the current format > version. > Stored in LOG_HEADER_FORMAT. */ > _______________________________________________ > commits mailing list > [email protected] > https://lists.askmonty.org/cgi-bin/mailman/listinfo/commits
_______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp
