Issei Nishigata created SOLR-10010:
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Summary: NGramTokenizer with SynonymFilterFacory doesn't work
properly when using Managed-Schema
Key: SOLR-10010
URL: https://issues.apache.org/jira/browse/SOLR-10010
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: Schema and Analysis
Reporter: Issei Nishigata
NGramTokenizer with SynonymFilterFacory doesn't work properly when using
Managed-Schema
When using Managed-Schema, it doesn't work properly with the following settings.
{code:title=managed-schema}
<field name="bigram" type="text_bigram" indexed="true" stored="true"/>
<fieldType name="text_bigram" class="solr.TextField" positionIncrementGap="100"
autoGeneratePhraseQueries="false">
<analyzer type="index">
<tokenizer class="solr.NGramTokenizerFactory" minGramSize="2"
maxGramSize="2"/>
<filter class="solr.SynonymFilterFactory"
synonyms="synonyms.txt"
tokenizerFactory="solr.NGramTokenizerFactory"
tokenizerFactory.minGramSize="2" tokenizerFactory.maxGramSize="2"
ignoreCase="true"
expand="true"/>
</analyzer>
</fieldType>
{code}
{code:title=synonyms.txt}
ab,ba
{code}
{code:title=expected}
querystring => "bigram:ab"
parsedquery => "bigram:ab bigram:ba"
{code}
{code:title=actual}
querystring => "bigram:ab"
parsedquery => "bigram:ab"
{code}
When using ClassicIndexSchemaFactory, works peroperly.
I guess this is causing
org.apache.lucene.analysis.synonym.SynonymFilterFactory#loadSynonyms doesn't
set tokenizerFactory.minGramSize="2", tokenizerFactory.maxGramSize="2" when
calling loader.inform() ( => constructor of
"org.apache.solr.schema.IndexSchema")
(tokArgs is empty)
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