Main Koha release repository
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39bf1c502a
When QueryWeightFields is enabled, the searching query is created with several options. In C4::Search::_build_weighted_query, when no index is defined, the query is build with fuzzy and stemming options. When an index is defined, theses options are missing, only unconditional right truncation is used. The consequence is that when QueryStemming is disabled, a search with index can give more results (due to right truncation) that a search without. This patch adds stemming and fuzzy on search with index, conditioned with QueryFuzzy and QuerryStemming sysprefs. Also changes world list search (wrld) weight to r6 in order to set fuzzy search to r8 and stemming search to r9 (like search without index). Test plan : - Go to searching preferences (admin/preferences.pl?tab=searching) - Set QueryAutoTruncate to "only if * is added" - Set QueryFuzzy and QuerryStemming to "Don't try" - Set QueryWeightFields to "Enable" - Go to advanced search page - Select an indexe (ie Title) and perform a search on a short word => Look at zebrarv log and see that query does not contain right truncation : @attr 5=1 - Set QueryFuzzy to "Try" - Perform same search => Look at zebrarv log and see that query contains fuzzy : @attr 5=103 - Set QueryFuzzy to "Don't try" and QuerryStemming to "Try" - Perform same search => Look at zebrarv log and see that query contains rigth truncation on stemmed word : @attr 5=1 Signed-off-by: koha.aixmarseille <koha.aixmarseille@gmail.com> Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl> This patch makes Fuzzy and Stemming influence search results on weighted queries when using an index. Side-effect is however that the results for a search like index=term* (add truncation manually too) could be LOWER than the the number of hits for index=term. Further comments on Bugzilla. Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com> |
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Koha is a free software integrated library system. Koha is distributed under the GNU GPL version 3 or later. Please read the file LICENSE for more details. To install or upgrade Koha, please see the INSTALL file appropriate to your platform. Report bugs at http://bugs.koha-community.org/ Visit the Koha Project website at http://www.koha-community.org/