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Mon 01 Aug 2011
But just why are we mucking around with this MySQL 5.5 and Lion stuff?
Category : Technology/MuckingAroundDBs.txt
That I think is a good question because that's the nature of things when we're doing development on an Apple platform - it's the "let's get going and take no prisoners" way of thinking.
If the only way I can do these custom builts of MySQL is on Snow Leopard, then I need to keep one of my machines running Snow Leopard. If I can get this problem solved, then I can envisage that every one of my Macs (including the live server) will be running Lion within a month or two. Then I've simplified things. I've got only one platform to think of, going forward. We mustn't forget - we usually only have a two-year window to build on top of all this stability, to get all the new features that we've been dreaming of done, before Apple, in their eternal wisdom, starts to change things all over again.
But why does Apple get away with this? I think it's because the result to the consumer is an endlessly fresh, exciting computing/media tool. But what it costs the developer is this never-ending race to keep up.
Now MySQL 5.5? On 5.5, Innodb replaces MyISAM as the default database engine on MySQL. With Innodb comes support for transaction processing, and commits and rollbacks - things we need when we're working on more conceptually demanding database systems.
Of course, we can already use Innodb even now on MySQL 5.1 and it was so for a long time. But with this as the default, it's easier to just move on and build on it.
I'll hold up on MySQL for the moment and see how we can match up the similar features on PostgreSQL. The way I've been building our database frameworks is that I want to write one piece of code for the customer-facing app, like Luca and Liya, on the Mac, iPhone and iPad, and the database frameworks will take care of the platform differences when they access the relevant databases.