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From Army <qoz...@gmail.com>
Subject Re: how to trace the optimizer and derby in general?
Date Thu, 12 Jul 2007 18:42:04 GMT
Aakash Bordia wrote:

> Hi, I am trying to generate an optimizer trace, with the following
> properties:
>
> derby.language.OptimizerTrace=true (not sure if its case sensitive)
> derby.language.optimizerTrace=true
> derby.language.optimizerTraceHtml=true
> 
> I see optimizerTrace and optimizerTraceHtml as members of the OptimizerImpl
> class. But this does not seem to generate a stack trace for the optimizer.
> 
> How could I get the optimizer to trace itself in derby.log or some file?
> (also derby in general).

At first glance this sounds like DERBY-837.  There is code in Derby for tracing, 
but it is not currently enabled.  More information can be found within that Jira 
(and more specifically, within the email linked from that Jira).

Army


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