Rick Hillegas wrote:

>
> For all of our diagnostic output, there's probably a big payoff in
> moving to some more structured format like xml. That will help
> client-side (and even off-the-shelf) tools format the output and
> filter out unwanted information.

I agree... Current diagnostic tools could be improved. Generating in XML
does help processing and visualizing the info. DB2, for example, has a
good way to display query plans and costs and I think this can be saved
in XML format. Current output of DumpOptimizedTree is huge and hard to
follow for even mid sized query.

But since I have immediate need for optimizer trace output , I was
suggesting enabling it in current form before attempting to make it
better. Also would give us a chance to use and understand what it is
before making it better.

Satheesh

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