Hey Rainer, you don't need to read first. This code snippet updates the same
record (tests-thinkloop.appspot.com):
<cfscript>
kaka = createObject('component', 'visitor');
kaka.setMessage('this is a msg');
kaka.setDateTime(now());
kaka.setRemoteHost('this is a remote host');
kaka.setReferer('this is a referer');
googleWrite(kaka, 'bazkind', 'mykey123');
pipi = createObject('component', 'visitor');
pipi.setMessage('this is a msg 2');
pipi.setDateTime(now());
pipi.setRemoteHost('this is a remote host 2');
pipi.setReferer('this is a referer');
googleWrite(pipi, 'bazkind', 'mykey123');
</cfscript>
Cheers,
Baz
On Fri, Nov 13, 2009 at 4:14 PM, Rainer <[email protected]> wrote:
>
> Guys,
>
> Maybe I can't find it in the GoogleAppEngine:Datastore documentation,
> but I was wondering how I can update an object in the GAE datastore?
>
> For instance:
>
> I create an object from my Country component with CreateObject, give
> all properties a value, and use 'googleKey = googleWrite(object)' to
> store it in de datastore.
>
> Next request, I submit new property values + googleKey. What should I
> do:
>
> 1) object = GoogleRead( googleKey), update values of object with form
> values, and than googleWrite(object) ?
>
> OR
>
> 2) object = CreateObject().init(form), and than something like
> googleWrite(object,"form.googleKey") ?
>
> In other words: must I first do a read from the datastore to update an
> object in there? Isn't that a performance issue?
>
> Rainer.
>
> >
>
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