From f9a9bcbf0ebba97f122d119d3902ef9740774597 Mon Sep 17 00:00:00 2001
From: Ere Maijala <ere.maijala@helsinki.fi>
Date: Fri, 2 Nov 2018 15:53:04 +0200
Subject: [PATCH] Increase minimum length of isn field to 4 characters. (#1262)
This avoids invalid identifiers from being indexed. Example: "WX 35" catalogued in the ISSN field and can be found with search term "Linux".
---
solr/vufind/biblio/conf/schema.xml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/solr/vufind/biblio/conf/schema.xml b/solr/vufind/biblio/conf/schema.xml
index 62baf5555f9..29842cbea39 100644
--- a/solr/vufind/biblio/conf/schema.xml
+++ b/solr/vufind/biblio/conf/schema.xml
@@ -84,7 +84,7 @@
<tokenizer class="solr.PatternTokenizerFactory" pattern="^(\S*)\s*.*$" group="1"/>
<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.PatternReplaceFilterFactory" pattern="[^0-9x]" replacement="" replace="all"/>
- <filter class="solr.LengthFilterFactory" min="1" max="100" />
+ <filter class="solr.LengthFilterFactory" min="4" max="100" />
</analyzer>
</fieldType>
<!-- case-insensitive/whitespace-agnostic field type for callnumber searching -->
--
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