lucene - Solr wildcard issue with '-' character -


i using solr , tokenizing field follows:

    <field name="title" type="text_general" multivalued="false" indexed="true" stored="true">    <analyzer>    <tokenizer class="solr.whitespacetokenizerfactory"/>     <filter class="solr.lowercasefilterfactory"/>    </analyzer>    </field>

i append * @ each search field matching result: title:app* example app* give me app,application , similar result

but if search term '-' in query fails return anything. example:

title:child-play* not return result title:child-play !!

can point me might issue.

after debug got : title:child-play

 "debug":{     "rawquerystring":"title:child-play",     "querystring":"title::child-play",     "parsedquery":"title::child title::play",     "parsedquery_tostring":"title::child title::play",

for title:child-play*

"debug":{     "rawquerystring":"companyname:child-play*",     "querystring":"companyname:child-play*",     "parsedquery":"companyname:child-play*",     "parsedquery_tostring":"companyname:child-play*",

i recommend use worddelimiterfilterfactory

just change type of field "custom type", in case it's 'text_general"

<field name="title" type="text_general"/>

then need create new type

for example, settings. can customise how want.

<fieldtype name="text_general" class="solr.textfield" omitnorms="false" positionincrementgap="100" multivalued="true">     <analyzer type="index">       <tokenizer class="solr.whitespacetokenizerfactory"/>       <filter class="solr.stopfilterfactory" words="stopwords.txt" ignorecase="true"/>       <filter class="solr.lowercasefilterfactory"/>       <filter class="solr.worddelimiterfilterfactory" types="wdfftypes.txt" generatenumberparts="0" stemenglishpossessive="0" splitoncasechange="1" preserveoriginal="1" catenateall="1" catenatewords="1" catenatenumbers="1" generatewordparts="1" splitonnumerics="1"/>     </analyzer>     <analyzer type="query">       <tokenizer class="solr.whitespacetokenizerfactory"/>       <filter class="solr.stopfilterfactory" words="stopwords.txt" ignorecase="true"/>       <filter class="solr.lowercasefilterfactory"/>       <filter class="solr.worddelimiterfilterfactory" types="wdfftypes.txt" generatenumberparts="1" stemenglishpossessive="0" splitoncasechange="1" preserveoriginal="1" catenateall="1" catenatewords="1" catenatenumbers="1" generatewordparts="1" splitonnumerics="1"/>     </analyzer>   </fieldtype>

look @ screenshot. enter image description here

please read more information here

https://wiki.apache.org/solr/analyzerstokenizerstokenfilters

arguments:

generatewordparts: (integer, default 1) if non-zero, splits words @ delimiters.  example:"camelcase", "hot-spot" -> "camel", "case", "hot", "spot"   generatenumberparts: (integer, default 1) if non-zero, splits numeric strings @ delimiters:"1947-32" ->"1947", "32"  splitoncasechange: (integer, default 1) if 0, words not split on camel-case changes:"bugblaster-xl" -> "bugblaster", "xl". example 1 below illustrates default (non-zero) splitting behavior.  splitonnumerics: (integer, default 1) if 0, don't split words on transitions alpha numeric:"fembot3000" -> "fem", "bot3000"  catenatewords: (integer, default 0) if non-zero, maximal runs of word parts joined: "hot-spot-sensor's" -> "hotspotsensor"  catenatenumbers: (integer, default 0) if non-zero, maximal runs of number parts joined: 1947-32" -> "194732"  catenateall: (0/1, default 0) if non-zero, runs of word , number parts joined: "zap-master-9000" -> "zapmaster9000"  preserveoriginal: (integer, default 0) if non-zero, original token   preserved: "zap-master-9000" -> "zap-master-9000", "zap", "master", "9000"  protected: (optional) pathname of file contains list of protected words should passed through without splitting.  stemenglishpossessive: (integer, default 1) if 1, strips possessive "'s" each subword.

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