RE: Problems updating a row
RE: Problems updating a row
- Subject: RE: Problems updating a row
- From: "Jonathan Fleming" <email@hidden>
- Date: Fri, 11 Jun 2004 15:19:50 +0100
From: "Alberto de Arriba" <email@hidden>
To: <email@hidden>
Subject: Problems updating a row
Date: Fri, 11 Jun 2004 15:00:42 +0200
Hi all, I've been reading you for some months and this is my first post.
I have a problem in a form with a WOFileUpload component. When the form is
submitted it throws the following exception:
Error: com.webobjects.eoaccess.EOGeneralAdaptorException:
updateValuesInRowDescribedByQualifier --
com.webobjects.jdbcadaptor.JDBCChannel method failed to update row in
database
Reason: updateValuesInRowDescribedByQualifier --
com.webobjects.jdbcadaptor.JDBCChannel method failed to update row in
database
In the action method I have this code:
if (uploadedData != null && uploadedData.length()>0)
data.takeStoredValueForKey(uploadedData,"photograph");
session().defaultEditingContext().saveChanges();
Hi Alberto, try this it might help (not tested - written in email window):
if (uploadedData != null && uploadedData.length()>0) {
try {
if ((uploadedData.length()==0) && (uploadedData.length()>0)){
//do nothing, keep old uploaded data in iVar
} else if ((uploadedData.length()==0) &&
(uploadedData.length()==0)){
uploadedData = null;
} else {
data.takeValueForKey(uploadedData,"photograph");
}
}
catch (NullPointerException npEx){ /*your message*/; }
}
}
Jonathan :^)
uploadedData is an instance variable of type NSData used to hold the file
contents. If i comment out the first two lines it does perform the
saveChanges correctly, so I think it must have something to do with NSData
handling.
Any suggestion?
Thanks in advance.
Alberto.
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