Osma Suominen created JENA-1652:
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Summary: jena-text analyzer regression
Key: JENA-1652
URL: https://issues.apache.org/jira/browse/JENA-1652
Project: Apache Jena
Issue Type: Bug
Components: Text
Affects Versions: Jena 3.10.0
Environment: Ubuntu 16.04
java version "1.8.0_191"
Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)
Reporter: Osma Suominen
Assignee: Osma Suominen
Fix For: Jena 3.10.0
I noticed that Skosmos unit tests are failing when run with Fuseki 3.10
snapshots:
https://github.com/NatLibFi/Skosmos/issues/828
Digging a bit deeper, it seems that jena-text is no longer applying the
analyzer on query strings as it used to in 3.9.0. The most likely reason for
this change seems to be the Lucene upgrade (JENA-1621) which may have affected
how analyzers are applied.
Here is the text analyzer configuration I'm using:
{noformat}
<#indexLucene> a text:TextIndexLucene ;
##text:directory <file:/tmp/lucene> ;
text:directory "mem" ;
text:entityMap <#entMap> ;
text:storeValues true ;
.
<#entMap> a text:EntityMap ;
text:entityField "uri" ;
text:graphField "graph" ; ## enable graph-specific indexing
text:defaultField "pref" ; ## Must be defined in the text:map
text:uidField "uid" ;
text:langField "lang" ;
text:map (
# skos:prefLabel
[ text:field "pref" ;
text:predicate skos:prefLabel ;
text:analyzer [ a text:LowerCaseKeywordAnalyzer ] ]
# skos:altLabel
[ text:field "alt" ;
text:predicate skos:altLabel ;
text:analyzer [ a text:LowerCaseKeywordAnalyzer ] ]
# skos:hiddenLabel
[ text:field "hidden" ;
text:predicate skos:hiddenLabel ;
text:analyzer [ a text:LowerCaseKeywordAnalyzer ] ]
) .
{noformat}
Here is a minimal test file that I load into the default graph:
{noformat}
<http://example.org/guppy> <http://www.w3.org/2004/02/skos/core#prefLabel>
"Guppy"@en-gb .
{noformat}
This is the query I'm using:
{noformat}
PREFIX text: <http://jena.apache.org/text#>
SELECT * {
?s text:query 'G*' .
}
{noformat}
It returns one row (?s=<http://example.org/guppy>) on Fuseki 3.9.0 but nothing
with today's 3.10 snapshot.
If I change the 'G*' to lowercase 'g*' then I get the expected match also with
the 3.10 snapshot. So the analyzer (which should lowercase everything and thus
the case of the query string should be irrelevant) seems not to be applied for
the query string.
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