issue with case-insensitive sorting

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issue with case-insensitive sorting

Satish Chennupati

Hi,

 

Right now when I perform a sort I  am getting result as following:

 

 

"[\"18 hotfix3\"]"

"[\"Godzilla\"]"

"[\"Godzilla, King of the Monsters!\"]"

"[\"Harry Potter and the Sorcerers Stone\"]"

"[\"How to Train Your Dragon\"]"

"[\"Jurassic Park\"]"

"[\"My Big Fat Greek Wedding\"]"

"[\"National Treasure\"]"

"[\"Palmer\"]"

"[\"Patch Adams\"]"

"[\"Rajan\"]"

"[\"Sanity\"]"

"[\"Stardust\"]"

"[\"Superman\"]"

"[\"The Amazing Spider-Man 2\"]"

"[\"The Godfather\"]"

"[\"The Lord of the Rings: The Fellowship of the Ring\"]"

"[\"The Matrix\"]"

"[\"V for Vendetta\"]"

"[\"abcdefgh\"]"

"[\"autoui1466571231695\"]"

"[\"autoui1466605339320\"]"

"[\"name\"]"

"[\"test\"]"

"[\"test2\"]"

 

The field type has been defined as follows :

 

       <fieldType class="org.apache.solr.schema.TextField" name="TextField" sortMissingLast="true">

            <analyzer>

                <tokenizer class="solr.KeywordTokenizerFactory"/>

                <!-- lower case everything -->

                <filter class="solr.LowerCaseFilterFactory"/>

                <!-- remove lead/trail whitespace -->

                <filter class="solr.TrimFilterFactory"/>

                <!-- pad and trim numbers to an even 6 digits with leading 0's -->

                <filter class="solr.PatternReplaceFilterFactory"

                        pattern="(\d+)" replacement="00000$1" replace="all"/>

                <filter class="solr.PatternReplaceFilterFactory"

                        pattern="0*([0-9]{6,})" replacement="$1" replace="all" />

                   

            </analyzer>

        </fieldType>

 

 

And for sorting purpose we have a dynamic field in place that used the above field type

        <!-- fields for sorting -->

        <dynamicField indexed="true" multiValued="false" name="sort_str*" stored="false" type="SortTextField"/>

 

Issue: even though we have lowercase filter factory in place the sort doesn’t happen case-insensitive.

 

Satish Chennupati

Senior Server Engineer

Cell:         (416) 918-9959

Email:      [hidden email]

 




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