CQL to RPN mappings: Is it possible to map one index to several BIB1 Use attributes

Marc,

Thank you for the answer.

Could you consider to include this ability in a future
version of YAZ ? 

Regards,
Michael Freidgeim

------------------------------------------------------------
----------

Message: 1
Date: Fri, 15 Dec 2006 09:00:18 +0100
From: marc <marcindexdata.dk>
Subject: Re: [Yazlist] CQL to RPN mappings: Is it possible
to map one
	index	to	several BIB1 Use attributes?
To: "Discussion on the YAZ Z39.50 toolkit"
	<yazlistlists.indexdata.dk>
Message-ID: <45825612.8050501indexdata.dk>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Michael Freidgeim wrote:
>  
> Hello,
> 
> Specification of CQL to RPN mappings(
> http://
www.indexdata.dk/yaz/doc/tools.tkl#cql ) describeds how
to map 
> single CQL  index to single  equivalent use attribute.
> 
> I want to map one index to several BIB1 Use attributes.
> 
> For example, I want to have one CQL index CallNumber
but query should 
> search several BIB1 use attributes:
> LC call number  16 OR
> NLM call number  17 OR
> NAL call number  18 OR
> MOS call number  19
> 
> 
> Is it possible?

Nope. you can map multiple different CQL index names to one
PQF use attribute, but not the converse.

Marc Cromme, Index Data

M.Sc and Ph.D in Mathematical Modelling and Computation
Senior Developer, Project Manager

Index Data Aps
Købmagergade 43, 2
1150 Copenhagen K.
Denmark

tel: +45 3341 0100
fax: +45 3341 0101

http://www.indexdata.com

INDEX DATA Means Business
for Open Source and Open Standards







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Michael Freidgeim wrote:
> Marc,
> 
> Thank you for the answer.
> 
> Could you consider to include this ability in a future
version of YAZ ? 
> 
> Regards,
> Michael Freidgeim

No, not possible.

But it should be very easy for you to write an indexing rule
which 
indexes all what you want to have covered by this
"feature" into one 
Zebra string/PQF index, say one which is named 'all', and
query this one 
instead of, mapping one
CQL 'all' index into one PQF/Zebra 'all' index.

Or you could quiery multiple indexes by boolean binary 'or'
constructs -
so you have all the tools you need to solve your challenge.

Your's Marc Cromme



> 
>
------------------------------------------------------------
----------
> 
> Message: 1
> Date: Fri, 15 Dec 2006 09:00:18 +0100
> From: marc <marcindexdata.dk>
> Subject: Re: [Yazlist] CQL to RPN mappings: Is it
possible to map one
> 	index	to	several BIB1 Use attributes?
> To: "Discussion on the YAZ Z39.50 toolkit"
> 	<yazlistlists.indexdata.dk>
> Message-ID: <45825612.8050501indexdata.dk>
> Content-Type: text/plain; charset=ISO-8859-1;
format=flowed
> 
> Michael Freidgeim wrote:
>>  
>> Hello,
>>
>> Specification of CQL to RPN mappings(
>> http://
www.indexdata.dk/yaz/doc/tools.tkl#cql ) describeds how
to map 
>> single CQL  index to single  equivalent use
attribute.
>>
>> I want to map one index to several BIB1 Use
attributes.
>>
>> For example, I want to have one CQL index
CallNumber but query should 
>> search several BIB1 use attributes:
>> LC call number  16 OR
>> NLM call number  17 OR
>> NAL call number  18 OR
>> MOS call number  19
>>
>>
>> Is it possible?
> 
> Nope. you can map multiple different CQL index names to
one PQF use attribute, but not the converse.
> 
> Marc Cromme, Index Data
> 
> M.Sc and Ph.D in Mathematical Modelling and Computation
Senior Developer, Project Manager
> 
> Index Data Aps
> Købmagergade 43, 2
> 1150 Copenhagen K.
> Denmark
> 
> tel: +45 3341 0100
> fax: +45 3341 0101
> 
> http://www.indexdata.com
> 
> INDEX DATA Means Business
> for Open Source and Open Standards
> 
> 
> 
> 
> 
> 
> 
> ------------------------------
> 
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> Yazlistlists.indexdata.dk
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list
> 
> 
> End of Yazlist Digest, Vol 42, Issue 11
> ***************************************
> 
> 
> _______________________________________________
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> 


-- 

Marc Cromme
M.Sc and Ph.D in Mathematical Modelling and Computation
Senior Developer, Project Manager

Index Data Aps
Købmagergade 43, 2
1150 Copenhagen K.
Denmark

tel: +45 3341 0100
fax: +45 3341 0101

http://www.indexdata.com

INDEX DATA Means Business
for Open Source and Open Standards





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marc writes:
>>> Nope. you can map multiple different CQL index
names to one PQF
>>> use attribute, but not the converse.
>> 
>> Could you consider to include this ability in a
future version of YAZ ? 
> 
> No, not possible.

More precisely: yes, of course, it's possible; but it's not
an
important enough feature (to us) that we'd want to invest
the effort
to implement it unfunded.  But in general, anyone who wants
any
feature in YAZ can have it, provided they're ready to
sponsor its
development.

 _/|_	
____________________________________________________________
_______
/o ) /  Mike Taylor    <mikeindexdata.com>    http://www.miketaylor.or
g.uk
)_v__/  "Somehow, the price of clarity is
complexity" -- Prof. Sacks
	 (Mathematical Logic professor at Harvard)



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