On 02/18/2013 11:05 AM, Reindl Harald wrote:
Am 18.02.2013 10:58, schrieb Honza Horak:
It seems the words could have been chosen less absolutely (changed a little bit at [1]), but in case you don't
agree with the official MariaDB statement, that "For all practical purposes, MariaDB is a binary drop in
replacement of the same MySQL version", "MySQL 5.5 will be compatible with MariaDB 5.5" and "The shared client
library is binary compatible with MySQL's client library." [2] -- I'd like to see concrete examples where this
incompatibility is broken, so that we can document it at least or better to fix it asap.
as said - this is thin ice
remember MySQL 5.5.10
you can not expect real binary compatibility over the
whole release cycle and if it slightly breaks it starts
to get funny in context having both in Fedora and depend
on exact obsoletes / provides / dependencies
MySQL 5.5.10:
Incompatible Change: The shared library version of the client library was increased to 18 to reflect ABI changes,
and avoid compatibility problems with the client library in MySQL 5.1. Note that this is an incompatible change
between 5.5.10 and earlier 5.5 versions, so client programs that use the 5.5 client library should be recompiled
against the 5.5.10 client library. (Bug #60061, Bug #11827366)
I remember that issue and agree that it was problem, which shows that
quality is not every-time assured in the MySQL upstream. On the other
hand, MariaDB with much more test cases, enthusiastic developers and
quicker bug fixes should be benefit for Fedora in cases like you
mentioned -- such problems could be find earlier and could be fixed fast.
Honza
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