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Dennis Allison wrote:
> Sorry for the long message, but there's a lot of context. I've tried
> to factor the problem out and then provide supporting stuff for the
> interested. Zope 2.7.6, Python 2.4.1 (Python 2.3.5 behaves in the same
> In summary, the problem is that a query run as a test from the ZMI of
> the form
> select * from <dtml-var udb>.tablename
> fails on the second batch whereas
> select * from foo.tablename
> works fine for all batches.
> The relevant Zope code distributed with Zope 2.7.6-final had a bug in
> it which was discussed earlier on the list. The distributed code did
> not terminate batching properly. The problematic code was in
> and the fix was to patch the two link expressions to have a missing
> element, that is,
> <a href="&dtml-URL;?query_start=&dtml-next-sequence-start-number; \
> &query=<dtml-var query url_quote missing="">">
> which seemed to resolve the problem.
> BUT, there is now a second problem. When the query is dynamic, the
> second batch fails on a key error -- for the example above, it would
> fail with a
>>Z SQL Method at /testfolder/batchcheck External Editor
>>Error, exceptions.KeyError: 'udb' SQL used:
>>Could not render the query template!
> message in the ZMI. However, REQUEST has the proper value for the key
> according to the Error Log:
> query "''"
> query_start '21'
> n_ 5
> a_ 0
> It's pretty clear that the query is being passed as an empty string due
> to the key error. Presumably the query should be rendered and saved in
> a persistent manner throughout the batching process. It is not clear
> to me where this should be done. Any help in localizing and fixing the
> problem would be appreciated.
Note that the missing key in your case is 'udb', while in the older case
it was 'query'. I don't know where the first page was getting its value
for 'udb'; there is no key for it in the error log entry you cite.
>>Error Type: KeyError
>>Error Value: 'query'
Tres Seaver +1 202-558-7113 [EMAIL PROTECTED]
Palladion Software "Excellence by Design" http://palladion.com
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