FROM : Rixster @ Rixstep
DATE : Thu Nov 21 22:22:49 2002
> (Aaron, there should be a Download link on the book page... if
> there is, I can't find it.. )
I'm sure Aaron can.
> Also... using the methodology that you've used, you're doing 4
> times as many searches for objects as necessary in the deletion
because
> you're using 4 times as many rows.
10,000 is not a magic number.
> And, as I've said, deletion in a background thread would be an
> option if deletion is what you're seriously concerned about.
And what, pray tell, is the foreground thread running the GUI to do
in the meantime? Are we going to start adding new records before the
old ones are deleted??!??
> And still, deleting 40,000 items in the manner you are, isn't the
> same method that would be used to switch to another view or close
a
> tableview.
But it is the method that would be used to delete 40,000 items.
Or far fewer, with more data stored per item.
Everything you'll ever need on one web page
from News and Sport to Email and Music Charts
http://uk.my.yahoo.com
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DATE : Thu Nov 21 22:22:49 2002
> (Aaron, there should be a Download link on the book page... if
> there is, I can't find it.. )
I'm sure Aaron can.
> Also... using the methodology that you've used, you're doing 4
> times as many searches for objects as necessary in the deletion
because
> you're using 4 times as many rows.
10,000 is not a magic number.
> And, as I've said, deletion in a background thread would be an
> option if deletion is what you're seriously concerned about.
And what, pray tell, is the foreground thread running the GUI to do
in the meantime? Are we going to start adding new records before the
old ones are deleted??!??
> And still, deleting 40,000 items in the manner you are, isn't the
> same method that would be used to switch to another view or close
a
> tableview.
But it is the method that would be used to delete 40,000 items.
Or far fewer, with more data stored per item.
Everything you'll ever need on one web page
from News and Sport to Email and Music Charts
http://uk.my.yahoo.com
_______________________________________________
cocoa-dev mailing list | <email_removed>
Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.
| Related mails | Author | Date |
|---|---|---|
| rixstep000 | Nov 21, 21:28 | |
| Scott Anguish | Nov 21, 21:42 | |
| Scott Anguish | Nov 21, 21:45 | |
| Rixster @ Rixstep | Nov 21, 22:00 | |
| Scott Anguish | Nov 21, 22:10 | |
| Rixster @ Rixstep | Nov 21, 22:22 | |
| Marco Scheurer | Nov 21, 22:27 | |
| Jonathan Hendry | Nov 21, 22:31 | |
| Scott Anguish | Nov 22, 02:55 | |
| Nat! | Nov 23, 00:19 |






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