[Monetdb-developers] how to find cost
hello, thanks for help, but also can u tell me any way to find the cost of final execution plan, m unable to find any option to see what is the actual cost of final execution plan.
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On Thu, Mar 11, 2010 at 11:07:52PM +0530, Puneet Birwa wrote:
hello, thanks for help, but also can u tell me any way to find the cost of final execution plan, m unable to find any option to see what is the actual cost of final execution plan.
The actual cost (i.e., time) to execute a query (plan) is reported when mclient is called with the "-t / --time" option; see also `mclient --help` and/or http://monetdb.cwi.nl/XQuery/Documentation/The-Mapi-Client-Utility.html .
As explained in previous posting on this list, the current open-source release of MonetDB/XQuery does not use/have any cost estimation.
Stefan
participants (2)
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Puneet Birwa
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Stefan Manegold