In the options, specify the range index collation too. Do this whenever you 
refer to the range index. For example:

http://docs.marklogic.com/guide/rest-dev/appendixb#id_33716

<sort-order type="xs:string" 
collation="http://marklogic.com/collation/codepoint";
            direction="ascending">
  <element ns="http://purl.org/dc/elements/1.1/"; name="title"/>
</sort-order>

Without the collation, the evaluator will look for a range index in the default 
collation. That's usually the root collation, and it's the default collation 
for the current evaluation scope, *not* the database default collation. So it's 
a good idea to specify the collation to your configuration wherever you refer 
to the range index.

-- Mike

On 9 Feb 2014, at 21:51 , <[email protected]> 
<[email protected]> wrote:

> Hi All,
>  
> I am trying to sort the productset xml on title in ascending order. It is 
> working fine for the documents which I newly create. But it is giving the 
> wrong result for the existing documents.
>  
> My requirement is to sort the title element which will display the title in 
> the ascending order as given below:-
>  
> _productSet
> @grade1
> 1grade
> Bgrade
> Grade1
> bgrade
> grade2
>  
> i.e. title would be in the order which starts with special character, then 
> numbers, then upper case characters and at the last lower case characters.
>  
> The structure of product set xml is like and will be present in collection 
> like http://pcenamespace/productsets :
>  
> <pce:productSet>
>        <dc:identifier>1680174081022788315</dc:identifier>
>        <pce:program-id>7937430281626559657</pce:program-id>
>        <dc:title>_ productSet</dc:title>
> …........................................
> <pce:productSet>
>       
>  
> I have following search options and constraints, and I have created range 
> index for program-id in the database, and database have default collation as 
> http://marklogic.com/collation/codepoint ::
>  
>  
> <options xmlns="http://marklogic.com/appservices/search";>
>        <constraint name="ProgramID">
>               <range type="xs:unsignedLong" facet="false">
>                      <element ns="http://pcenamespace"; name="program-id" />
>               </range>
>        </constraint>
>        <constraint name="Show">
>               <collection prefix="http://pcenamespace/"; facet="false" />
>        </constraint>
>        <operator name="sort">
>               <state name="relevance">
>                      <sort-order>
>                            <score />
>                      </sort-order>
>               </state>
>               <state name="titleAscending">
>                      <sort-order direction="ascending" type="xs:string">
>                            <element ns="http://purl.org/dc/elements/1.1/"; 
> name="title" />
>                      </sort-order>
>               </state>
>               <state name="titleDescending">
>                      <sort-order direction="descending" type="xs:string">
>                            <element ns="http://purl.org/dc/elements/1.1/"; 
> name="title" />
>                      </sort-order>
>               </state>
>        </operator>
> </options>
>  
> I am using the following query to fetch the results:
>  
> query=ProgramID:7937430281626559657 Show:productsets sort:titleAscending
>  
>  
>  
> Thanks,
> Abhinav Kumar Mishra
>  
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