From: Reindl Harald
Date: February 18 2013 10:02am
Subject: Re: MySQL Client (libmysqlclient) compatibility policy
List-Archive: http://lists.mysql.com/mysql/228999
Message-Id: <5121FC2F.3010305@thelounge.net>
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Am 18.02.2013 10:57, schrieb Sebastien FLAESCH:
> Hi all,
>=20
> What is the compatibility policy regarding the MySQL C API library?
>=20
> I could not find the rules in the documentation.
>=20
> I have several versions of MySQL installed on my Linux, and it appears
> that the libmysqlclient versions have changed in the 5.x version line:
>=20
> /opt3/dbs/mys/4.1.24/lib/libmysqlclient.so.14
> /opt3/dbs/mys/5.0.90/lib/libmysqlclient.so.15
> /opt3/dbs/mys/5.1.35/lib/libmysqlclient.so.16
> /opt3/dbs/mys/5.1.51/lib/libmysqlclient.so.16
> /opt3/dbs/mys/5.4.0/lib/libmysqlclient.so.16
> /opt3/dbs/mys/5.5.1/lib/libmysqlclient.so.16
> /opt3/dbs/mys/5.5.19/lib/libmysqlclient.so.18
> /opt3/dbs/mys/5.6.10/lib/libmysqlclient.so.18
>=20
> What's the rule? Is a 5.6 compatible to 5.5 because they have the same
> library version number (.18)?

i bet we will see the same with MySQL 5.5.10
http://dev.mysql.com/doc/relnotes/mysql/5.5/en/news-5-5-10.html

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. No=
te 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)



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