Malte Hübner created SOLR-5921:
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Summary: WordDelimiterFilterFactory splits up hyphenated terms
although splitOnNumerics, generateWordParts and generateNumberParts are set to
0 (false)
Key: SOLR-5921
URL: https://issues.apache.org/jira/browse/SOLR-5921
Project: Solr
Issue Type: Bug
Components: Schema and Analysis
Affects Versions: 4.7
Reporter: Malte Hübner
Fix For: 4.7.1
Attachments: 2014-03-27 09_50_33-Solr Admin.png
WordDelimiterFilterFactory generates word parts although splitting
configuration is deactivatet.
This is the fieldType setup:
{code}
<fieldType name="text_de" class="solr.TextField"
positionIncrementGap="100">
<analyzer type="index">
<tokenizer
class="solr.WhitespaceTokenizerFactory" />
<filter class="solr.StopFilterFactory"
ignoreCase="true" words="lang/stopwords_de.txt" enablePositionIncrements="true"
/>
<filter class="solr.WordDelimiterFilterFactory"
stemEnglishPossessive="0" generateWordParts="0" generateNumberParts="0"
catenateWords="1" catenateNumbers="1" catenateAll="0" splitOnCaseChange="0"
splitOnNumerics="0" preserveOriginal="1"/>
<filter class="solr.LowerCaseFilterFactory" />
</analyzer>
<analyzer type="query">
<tokenizer
class="solr.WhitespaceTokenizerFactory" />
<filter class="solr.SynonymFilterFactory"
synonyms="lang/synonyms_de.txt" ignoreCase="true" expand="true" />
<filter class="solr.StopFilterFactory"
ignoreCase="true" words="lang/stopwords_de.txt" enablePositionIncrements="true"
/>
<filter class="solr.WordDelimiterFilterFactory"
generateWordParts="0" generateNumberParts="0" catenateWords="1"
catenateNumbers="0" catenateAll="0" splitOnCaseChange="0" splitOnNumerics="0"
preserveOriginal="1"/>
<filter class="solr.LowerCaseFilterFactory" />
</analyzer>
</fieldType>
{code}
The given search term is: *X-002-99-495*
WordDelimiterFilterFactory indexes the following word parts:
* X-002-99-495
* X
* 00299495
* X00299495
But the 'X' should not be indexed or queried as a single term. You can see that
splitting is completely deactivated in the schema.
I can move the charater part around in the search term:
Searching for *002-abc-99-495* gives me
* 002-abc-99-495
* 002
* abc
* 99495
* 002abc99495
This is not what I expect from the configuration! I think this must be a bug.
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