why does "*" affect case sensitivity of query results

[geeky2]

hello,

environment: solr 3.5


problem statement: when query has "*" appended, it turns case sensitive.

assumption: query should NOT be case sensitive

actual value in database at time of index: 4387828BULK

here is a snapshot of what works and does not work.

what works:

  itemModelNoExactMatchStr:4387828bULk (and any variation of upper and lower
case letters for *bulk*)

  itemModelNoExactMatchStr:4387828bu*
  itemModelNoExactMatchStr:4387828bul*
  itemModelNoExactMatchStr:4387828bulk*


what does NOT work:

 itemModelNoExactMatchStr:4387828BU*
 itemModelNoExactMatchStr:4387828BUL*
 itemModelNoExactMatchStr:4387828BULK*


below are the specifics of my field and fieldType

  <field name="itemModelNoExactMatchStr" type="text_exact" indexed="true"
stored="true"/>


    <fieldType name="text_exact" class="solr.TextField"
positionIncrementGap="100">
      <analyzer type="index">
        <tokenizer class="solr.KeywordTokenizerFactory"/>
        <filter class="solr.LowerCaseFilterFactory"/>
        <filter class="solr.TrimFilterFactory"/>
      </analyzer>
      <analyzer type="query">
        <tokenizer class="solr.KeywordTokenizerFactory"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
    </fieldType>

thx
mark





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