Hi,

When upgrading from 5.0 -> 5.1 the sort order of some german characters was
modified, which meant indexes had to be rebuilt (they are in sorted order
after all).  The mysql_upgrade would suggest a table rebuild (ALTER TABLE
xyz ENGINE=INNODB) or dump/restore for every affected table.  I was a
consultant during this time, and I can't tell you how many tables I had to
rebuild.  Thousands to say the least.  Yuck.

--Greenlion

On Wed, Oct 12, 2016 at 10:01 AM, Reindl Harald <h.rei...@thelounge.net>
wrote:

>
> Am 12.10.2016 um 15:53 schrieb Justin Swanhart:
>
>> Also having to dump/restore to go from 10.2 to 10.3 tables is a PITA
>>
>
> it's a simple no-go and the answer to "should i use postgre or
> mysql/mariadb" is always "stay away from postgre, while it got better you
> need to dump your data and import them again still way too often while our
> mysql tables where created 2002 and now running on MariaDB 10 without doing
> such a bullshit a single time"
>
> Remember how awful it was to migrate all those BDB tables to InnoDB?  Or
>> even just how frustrating it was when UTF8_GENERAL_CI changed the umlaut?
>>
>
> when did something change umlauts?
>
> as charsets where introdcued with MySQL 5.0 it was a simple script just to
> add the correct charset information that it is *not* UTF8 to 5000 tables
> with not a single char damaged and since we are located in austria üöäß are
> very common
>
>
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