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Francesco Riosa wrote: |
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> Background, to make life easyer for people that use more versions of |
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> mysql (and just for fun) MySQL is going to be slotted. |
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> |
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> Currently the slot enabled versions are mysql-4.1.16-r30 |
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> mysql-5.0.18-r30 mysql-5.1.4_alpha-r30, in short those with "-r30". |
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> |
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> The few patches needed are already included in current ~ mysql-4.1.16 |
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> and mysql-5.0.18 but hidden due to SLOT=0, starting from 2005-11 |
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> |
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> An eselect-mysql module has been prepared to create simlinks for the |
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> desired version of mysql making easy to switch between them (hopefully) |
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> |
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> The libraries (libmysqlclient & co) don't follow this logic and the |
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> higher version is always the default (similarly to sys-libs/db). |
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|
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So how does this affect packages that use say dev-perl/DBD-mysql ? |
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|
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If they can only use mysql-5, then the will be broken if they connect to a mysql-4 server using non |
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UTF-8 encoding. (bad wording, but generally speaking, there is an inconsistence in character |
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encoding betweet mysql-4 and mysql-5 that DOES break things on non ISO-8859-1 encoded databases) |
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|
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> The rc-scripts have been modified to use the logic of |
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> sys-apps/baselayout net.ethx => net.lo symlink to be able to start more |
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> servers at once (this is working from 2005-11 but reworked today) |
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> |
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> Additionally the ebuilds code has been moved to two new eclasses, |
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> mysql_fx.eclass and mysql.eclass, the first own support functions, the |
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> last own the src_* pkg_* functions. |
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> The initial idea is that when a specific ebuild need to marked stable |
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> the code is moved from the mysql.eclass to the ebuild itself, to froze it. |
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> |
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> Documentation on: |
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> o switch to slotted |
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> o upgrade with no downtime using this new capabilities |
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> need to be written from scratch (this is going to be the more difficult |
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> part for me). |
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> |
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> there is a bash construct the eclass use to retrieve the latest two |
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> chars of a string, in the form: MYVAR="${MYARRAY[3]:(-2)}" , is this |
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> acceptable? |
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> |
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> The intention is to made mysql-5.0.18-r30 stable on 2005-02-15 at |
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> maximum on the first archs. |
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> |
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> AFAIK I'm the only one who have seen this stuff until now, any comment, |
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> any suggestion is highly apreciated. |
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|
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Kalin. |
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-- |
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|[ ~~~~~~~~~~~~~~~~~~~~~~ ]| |
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+-> http://ThinRope.net/ <-+ |
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|[ ______________________ ]| |
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|
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-- |
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