[Glass] allSubInstances slow

[Johan Brichau via Glass]

du’h ;)
That runs like a jetfighter versus a bicycle :)

thanks!
Johan

On 29 Sep 2014, at 20:45, Dale Henrichs <dale.henrichs at gemtalksystems.com> wrote:

> Johan,
> 
> Take a look at GsDeployer>>doBulkMigrate ... you can do a list instances for a bunch of classes with a single pass through the repoistory ... and I will submit a bug against allSubInstances since this trick should be used there as well...
> 
> Dale
> 
> On Mon, Sep 29, 2014 at 11:29 AM, Johan Brichau via Glass <glass at lists.gemtalksystems.com> wrote:
> Hi there,
> 
> I’m implementing a data migration where I need to do a MyClass allSubInstances, which seems to be very very slow even on a moderately sized database.
> I was wonder if there are better practices to achieve this? The class MyClass has many subclasses.
> 
> Is it better do separate the iteration of all those instances per subclass?
> I.e.: MySubClassA allInstances do: […]. MySubClassB allInstances do:[…] etc….
> Or is there any other way to speed things up here?
> 
> thanks
> Johan
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