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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HSEARCH" style="color: #3b73af; text-decoration: none">Hibernate Search</a> / <a href="https://hibernate.atlassian.net/browse/HSEARCH-3040" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-66f61f95-d734-4f78-a4c8-cd92cbb7bcb1" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3040" style="color: #3b73af; text-decoration: none">HSEARCH-3040</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3040" style="color: #3b73af; text-decoration: none">Query DSL wildcard-search does not recognize filter</a> </span> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.9.1.Final </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> query </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 31/Mar/2018 00:08 AM </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Environment:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Tomcat 8.5, Oracle Java 8, H2, Hibernate 5.2.12.Final </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="christoph.strasser78" id="email_christoph.strasser78" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=christoph.strasser78" style="color:#6c797f;; color: #3b73af; text-decoration: none">Christoph Straßer</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">Same root-cause like <span class="jira-issue-macro" data-jira-key="HSEARCH-3038"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-3038" class="jira-issue-macro-key issue-link" title="Query DSL does not allow to search multiple terms with wildcards" style="color: #3b73af; text-decoration: none"> <img class="icon" src="https://hibernate.atlassian.net/secure/viewavatar?size=xsmall&avatarId=12150&avatarType=issuetype"> HSEARCH-3038 </a> <span class="aui-lozenge aui-lozenge-subtle aui-lozenge-complete jira-macro-single-issue-export-pdf" style="background: #cccccc; border: 1px solid #cccccc; border-radius: 3px; color: #333333; display: inline-block; font-size: 11px; font-weight: bold; line-height: 99%; margin: 0; padding: 2px 5px; text-align: center; text-decoration: none; text-transform: uppercase; background-color: #ffffff; border-color: #cccccc; color: #333333" bgcolor="#ffffff">Open</span> </span> .</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
queryBuilder.keyword().wildcard().onFields(<span class="code-quote" style="color: #009100">"field1"</span>, <span class="code-quote" style="color: #009100">"field2"</span>).matching(<span class="code-quote" style="color: #009100">"Word1 word2"</span>).createQuery();
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">We indexed field1 and field2 with LowerCaseFilterFactory. The search with wildcard does not find "Word1".</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">This happens, because org.hibernate.search.query.dsl.impl.ConnectedMultiFieldsTermQueryBuilder does the following:</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">private</span> List<<span class="code-object" style="color: #910091">String</span>> getAllTermsFromText(<span class="code-object" style="color: #910091">String</span> fieldName, <span class="code-object" style="color: #910091">String</span> localText, Analyzer analyzer) {
<span class="code-comment" style="color: #808080">//it's better not to apply the analyzer with wildcard as * and ? can be mistakenly removed
</span> List<<span class="code-object" style="color: #910091">String</span>> terms = <span class="code-keyword" style="color: #000091">new</span> ArrayList<<span class="code-object" style="color: #910091">String</span>>();
<span class="code-keyword" style="color: #000091">if</span> ( termContext.getApproximation() == TermQueryContext.Approximation.WILDCARD ) {
terms.add( localText );
}
<span class="code-keyword" style="color: #000091">else</span> {
<span class="code-keyword" style="color: #000091">try</span> {
terms = Helper.getAllTermsFromText( fieldName, localText, analyzer );
}
<span class="code-keyword" style="color: #000091">catch</span> (IOException e) {
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> AssertionFailure( <span class="code-quote" style="color: #009100">"IO exception <span class="code-keyword" style="color: #000091; color: #009100">while</span> reading <span class="code-object" style="color: #910091; color: #009100">String</span> stream??"</span>, e );
}
}
<span class="code-keyword" style="color: #000091">return</span> terms;
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">A clean solution would be to look at Solr. Solr solves this issue by defining analysers for indexing and for query.</p>
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<pre class="code-xml" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-tag" style="color: #000091"><fieldType name=<span class="code-quote" style="color: #009100">"nametext"</span> class=<span class="code-quote" style="color: #009100">"solr.TextField"</span>></span>
<span class="code-tag" style="color: #000091"><analyzer type=<span class="code-quote" style="color: #009100">"index"</span>></span>
<span class="code-tag" style="color: #000091"><tokenizer class=<span class="code-quote" style="color: #009100">"solr.StandardTokenizerFactory"</span>/></span>
<span class="code-tag" style="color: #000091"><filter class=<span class="code-quote" style="color: #009100">"solr.LowerCaseFilterFactory"</span>/></span>
<span class="code-tag" style="color: #000091"><filter class=<span class="code-quote" style="color: #009100">"solr.KeepWordFilterFactory"</span> words=<span class="code-quote" style="color: #009100">"keepwords.txt"</span>/></span>
<span class="code-tag" style="color: #000091"><filter class=<span class="code-quote" style="color: #009100">"solr.SynonymFilterFactory"</span> synonyms=<span class="code-quote" style="color: #009100">"syns.txt"</span>/></span>
<span class="code-tag" style="color: #000091"></analyzer></span>
<span class="code-tag" style="color: #000091"><analyzer type=<span class="code-quote" style="color: #009100">"query"</span>></span>
<span class="code-tag" style="color: #000091"><tokenizer class=<span class="code-quote" style="color: #009100">"solr.StandardTokenizerFactory"</span>/></span>
<span class="code-tag" style="color: #000091"><filter class=<span class="code-quote" style="color: #009100">"solr.LowerCaseFilterFactory"</span>/></span>
<span class="code-tag" style="color: #000091"></analyzer></span>
<span class="code-tag" style="color: #000091"></fieldType></span>
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Default-behaviour should be to use the defined analyser for index and query. But optionaly there should be the option to define a analyser for query.</p> </td>
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