Oh, I forgot about this:
http://en.wikibooks.org/wiki/Programming:WebObjects/Web_Applications/
Development/Thumbnailing
And you'll want to read this:
http://en.wikibooks.org/wiki/Programming:WebObjects/Web_Applications/
Development/Database_vs_Filesystem
ms
On Apr 3, 2007, at 2:22 PM, Janine Sisk wrote:
I'm back! Setting the filePath binding fixed the problem I was
having, but now I'm on to a new one.
My EOModel contains a String, a CLOB, two NSTimestamps and two
BLOBs (actually the blobs are in their own model). Each of the
corresponding components is bound to them, like so:
Description : WOText {
value = newPanel.description;
}
ImageFile : WOFileUpload {
filePath = imageFileName;
mimeType = imageMimeType;
data = newPanelImages.big_image;
}
This works fine for everything except the BLOBs, which are tripping
the "not null" constraint on those fields in the database.
I have code to check the length of newPanelImages.big_image and it
is correct, but somehow it's not working. Here's how I'm doing the
save:
EOEditingContext ec = session().defaultEditingContext();
ec.insertObject(newPanelImages);
ec.saveChanges();
And, just in case I'm misinterpreting something, here's the error:
com.webobjects.eoaccess.EOGeneralAdaptorException:
EvaluateExpression failed: : Next exception:SQL State:23 subclass =
00 -- error code: 357 -- msg: Exception condition 357. Integrity
constraint violation (CHECK, PANELIMAGES._C0000000007(\"bigImage\"
IS NOT NULL)). Next exception:SQL State:23 subclass = 00 -- error
code: 357 -- msg: Exception condition 357. Integrity constraint
violation (CHECK, PANELIMAGES._C0000000009(\"thumbnail\" IS NOT
NULL)). Next exception:SQL State:40 subclass = 00 -- error code:
363 -- msg: Exception condition 363. Transaction rollback.
It's like the data is not getting copied from the newPanelImages
object to the database. Is there something special one has to do
to handle BLOBs in FrontBase?
thanks,
janine
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