Re: [Scidvspc-users] CQL port to Scid vs PC

[Alan W. <a.c...@gm...>]

Hi Lionel,

Sorry for the naive questions, but to clarify:

1) You are providing the patch that needs to be applied to the 4.18 tarball.

2) The CQL implementation will use scidvspc's built-in search gui, so no 
cli lines needed?

3) If it proves to be a better search function, should Steve port it to 
the next version?

On 11/15/2017 07:10 PM, Lionel wrote:
>
> I've ported Lewis Stiller's and Gady Costeff's CQL v5.1 implementation 
> (http://www.gadycosteff.com/cql) to Scid vs PC as a fully integrated 
> search engine.
>
> I and a couple of others have been beating up on the engine for 10-12 
> days and it appears to be quite solid. The port was relatively 
> trivial, so I'm not expecting many problems, but I'm looking for more 
> volunteers to help test what is a rather extensive grammar, especially 
> on non-Linux platforms.
>
> In particular, it would be very helpful if someone possessing Harold 
> van der Heijden's study database (http://hhdbv.nl/) could test the 
> port against that db. There is a set of scripts in the examples 
> directory to aid in that endeavor. I've done my best to find or 
> generate games which test the edge cases which are not likely to be 
> present in one's typical chess database, but Stiller recommends 
> Heijden's db as something of a testing high bar.
>
> The build process for including the CQL engine in the Scid executable 
> has only been implemented for the Linux platform, as I have no way of 
> testing on other platforms.  I will happily incorporate patches for 
> the Makefiles for other platforms as they are offered.  The build 
> requires a C++11 compiler. The CQL engine has been successfully 
> compiled with GNU g++ and with clang, as well as with Microsoft Visual 
> C++.  The entire Scid+CQL build has been tested with GNU g++.
>
> I very strongly recommend that users of this feature read the CQL 
> Search section in the Help Guide before getting started. There are 
> some essential guidelines in that section which can save one from any 
> number of major headaches and points of confusion.  Read all of it.  
> Twice.
>
> Please contact me off list for the [rather large] CQL patch, which 
> applies cleanly to the v4.18.1 tarball.  To avoid spamming this list 
> with CQL-related noise, please address all questions/problems directly 
> to me.  Further notices, clarifications, faqs, update patches, etc., 
> coming from me will be addressed only to those who have requested the 
> patch.
>
> I'll be welcoming comments and feedback and suggestions while I'm 
> eliminating the last of the minor memory leaks in the engine over the 
> next few weeks, and hope to release a final patch toward the end of 
> the year.  I personally find this integrated CQL engine an 
> order-of-magnitude more satisfying to use than the standalone version, 
> and the language, itself, continues to impress the hell out of me.
>
>
> Many thanks go to Stiller and Costeff for their innovative work on 
> CQL, and to Steve Atkinson for his long years of dedication to the 
> Scid vs PC project.
>
>
> -- Lionel
>
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