Migration from RAW LONG to BFILE

As part of our next release, we are looking at modifying the way we currently store image data. The current table has a RAW LONG column, and i want to move to external storage BLOBs. The new table will be in a different schema.
I believe I can covert the RAW column to BLOB, but that doesn't solve the external problem.
AT a high level, it seems like I will need to do the following:
- Go through the current rows and create an external image
- Reload all of the images into new table with BFILE column pointing to new image location
Anyone have any recommendations as to the steps I may need to perform??
_mike
Edited by: nibeck on Apr 22, 2009 2:49 PM
Edited by: nibeck on Apr 22, 2009 2:49 PM

take a look at this doc...
http://www.stanford.edu/dept/itss/docs/oracle/10g/win.101/b10118/o4o00288.htm

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Message was edited by: richardfromel dorado

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I've been using a MacBookPro5.2 that's running OS 10.6.8. I bought a new MacBookPro, and installed Lion on it. Now I'm trying to migrate my whole electronic life over to the new computer, and I've been having big problems. I think I may have fixed those problems, but I'm not sure if it's really safe to start using the new computer the way it is. Can anyone tell me if I'm doing this correctly? I hope this may help other people having similar problems.
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3. I connected both computers to my router, and ran Migration Assistant, checking all of the checkboxes, in order to transfer everything (accounts, applications, settings, and other files and folders). Migration Assistant noticed that the name of the only account on the old computer was the same as the name of the only account on the new computer. So I said to rename the account that was being transferred to "admin," with short name "admin."
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5. I deleted the "admin" account, started up from the recovery disk, and re-installed Lion from scratch. Then I ran Migration Assistant, doing it the same way, except that this time I only checked the "accounts" and "settings" boxes. The transfer was much faster this time, but everything ended up the same. This didn't fix my problem.
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sudo chown -R admin /Users/admin
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1. When logged in as admin, the Macintosh HD icon never appears on my desktop, even if I check the appropriate box under Finder -> Preferences. It does appear properly if I'm logged in as administrator.
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So, is it safe for me to proceed with deleting the original account? I haven't really used the new computer yet, so I'd be happy to wipe the whole hard disk clean and start the migration process over from scratch, if that will help to make everything more stable going forward. And if someone can tell me how to do that!
I apologize for the long post. Thanks in advance for any help.

Whew! I finally got my new machine working with all my old stuff on it, thanks to baltwo's tip to try reinstalling the OS from scratch, which pointed me in the right direction. The key additional points were (1) to make sure to erase the hard drive first, and (2) do the transfer to Lion, rather than Snow Leopard, because at least in my case, SL's Setup Manager was buggy and always hung forever right when it was about to start transferring. Also for some reason the transfer was much faster in Lion.
This was a very ugly experience for me. There were lots of times when my computers crashed, hung, wouldn't wake up, and otherwise made me feel like I was at work, trying to use Windows boxes. For the benefit of any other people who may stumble upon this thread, here are a set of steps that you can follow if you have a mac that is new (or new to you) and you would like to have it running Lion, and having all of the stuff from your old Mac on it, but with no other user's stuff on it. In the simple case where your new Mac comes preinstalled with Lion and you're the first human ever to turn it on, then ignore all of this, and just turn it on and follow the onscreen instructions. However, I think you should follow the following steps if (A) the new Mac already has on it an account or account that you want to wipe out, and/or (B) the new Mac is running Snow Leopard, and you want to upgrade it to Lion before migrating your stuff over (which I think is a good idea -- as I said, my computer kept crashing every time I tried to migrate from SL to SL, and besides, maybe a "clean install" of Lion is somehow better).
[If your new Mac is already running Lion, skip to step 4. If your new mac is running SL, start here.]
1. On the new mac (which is running SL), if you're turning it on for the first time, create a temporary administrator account that you're going to wipe out shortly. If there's already an administrator account on the new computer, log in as that administrator.
2. As the administrator, run Software Update, and keep running it repeatedly and restarting if necessary, until Software Update no longer finds any updates to install.
3. Upgrade the new Mac to Lion. You'll probably do this via the App Store. After Lion has downloaded and installed, your computer will restart.
4. Log in into the new Mac, which is running Lion, as your administrator account. Same password as before.
5 Run Software Update, and keep running it repeatedly and restarting if necessary, until Software Update no longer finds any updates to install. I'm not sure this step is really necessary, but I wanted to be sure that the new Mac was running the very latest version of Lion, since there seemed to be some problems with Lion's Setup/Migration assistant.
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7. Having started up from the recovery partition, you now need to run disk utility. If I recall correctly, you do this by pulling down the "Utilities" menu from the top of the screen, and choosing Disk Utility.
8. In Disk Utility, choose "erase," and erase the main partition of your hard drive, which I think will be called "Untitled" or maybe "Macintosh HD." Be sure to highlight "Untitled" or "Macintosh HD" before you go ahead and erase, and don't erase your recovery partition by accident.
9. Now you have a pristine, factory-fresh Mac, running the latest version of Lion, with no user accounts on it. Just go ahead and turn it on, enjoy the music and graphics, and then follow the onscreen instructions for transferring the data over from your old Mac.

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So, for future reference, I think the response by the Aperture community when someone asks "How do I delete the RAW file from RAW+JPEG" pairs, should be "Use Finder if you must, but please note Aperture will not be able to 'Relocate Originals..
PS This should NOT be understood as a criticism of those who have responded to this question in the past. There's obviously no way to know about these little quirks until one of us stumbles across them. I hope this information will be helpful going forward, both as a caution when deleting one of the pair, and as a possible answer for the "Error while relocating" message.
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If someone has already provided this information, my apologies.

Frank Caggiano wrote:
Interesting the last post before this one you posted was back in May 2011 Removing RAW, keeping JPG?
Thanks for that thread. That helps jog ye olde memory. As such, I would edit my original thread to read "The concensus I gathered from researching multiple responses to questions similar to mine was that it couldn't be done through Aperture*, but that it was possible from Finder though highly inadvisable." I won't bother recreating my research at the time (not even sure I could, since it was more than two years ago), but suffice it to say that the thread you've linked was not my sole encounter with this problem. I do appreciate that you've reminded me that this was not something I had done solely through numerous posts on Apple Discussions. I imagine I likely spent time reading multiple posts here and elsewhere, uncovering the concensus (which i think is still a fair term) that it could not be done through Aperture*, could be through Finder, but was inadvisable.
*This is still accurate, afaik. You cannot delete the pair from a RAW+JPEG pair in Aperture. Exporting, then deleting in Finder, then reimporting is still not something "done in [entirely] Aperture."
Frank Caggiano wrote:
No one actually told you to delete anyting in in the Finder you came up with this yourself as your own solution
This comes from the critical mistake on my part of not making clear that I was paraphrasing multiple responses rather than saying "Bob told on a Monday that i should..." That is one huge mea culpa and I'd edit it if I could. To be clear, my comment that "it's probably not wise, but as far as I know, it won't have an adverse effect" is a paraphrase of multiple answers to the broad question dealing with how Aperture handles files that have been deleted in Finder. At the time, it was known that you could delete a file in Finder, that Aperture could be made to accept that, that it might cause issues further down the road, but that those issues were unkown. I paraphrased that but failed to make it clear that's what I was doing. Again, my apologies.
Frank Caggiano wrote:
So I'm not really sure what it is you are coming back here now to say? There was no 'consensus' to do this, it was your own 'solution'
In this respect, I think you've misunderstood me. At the time I made this post, I still was not seeing a direct connection between deleting files in Finder and adverse consequences in Aperture (or perhaps I should say my searches did not turn up such a connection). As such, I made this post to provide the community with clear evidence of why one should not delete one-of-a-pair files in Finder. Again, I may have simply missed the thread that detailed that to do so would result in a null error when relocating Masters. That said, in July 2013 I had been pulling my hair out trying to figure out why I was getting the null error and I did not see a thread that asked "have you deleted files in Finder" as a way to troubleshoot.
Hopefully, I've cleared up any confusion now. To bring this all back around to my original point for the thread, I intended it to (1) offer a more direct way to troubleshoot the null error on relocating Masters, and (2) to offer a cautionary tale for those who choose to delete one of the RAW+JPEG pair in Finder. There are better (though more time- and space-consuming) ways to get it done, and my original post should help demonstrate why.

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Reports Server:
Version 10.1.2.0.2
initEngine = 1
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IDLE timeout 120
Max Connections 120
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My main user account in my desktop is becoming buggy after to many migrations from different computers and long time usage. I would like to migrate from one user to another user within the same computer to see if this improves my current problems.
How can I do it in a reasonably safe and quick way?
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Move small groups of files to the /Users/Shared/ folder or another location and see if the problems disappear. Moving everything to a new user account will in all probability transfer the problems.
(119885)

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Mail "unexpectedly quits" after migration from snow leopard time machine files to new iMac running Mountain Lion. I can run connection doctor OK. But the activity window is blank. If you try to open message viewer window then mail program crashes. Would really like to get my old emails back as the old imac is totally dead. Thanks for any help.

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Migration from RAW LONG to BFILE

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