https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19527
Bug ID: 19527
Summary: Alter Zebra indexing to sort by descending document ID
Change sponsored?: ---
Product: Koha
Version: 17.05
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P5 - low
Component: Searching - Zebra
Assignee: [email protected]
Reporter: [email protected]
We are receiving complaints about the sorting order of relevance ranked
searches. One specific example was where the older edition of a work appears
higher up the list than the more recent version.
According to http://www.indexdata.com/zebra/doc/administration-ranking.html:
“If one defines the staticrank:1 directive in the main core Zebra configuration
file, the internal document keys used for ordering are augmented by a preceding
integer, which contains the static rank of a given document, and the index
lists are ordered first by ascending static rank, then by *** ascending ***
document ID.”
Would it not be better to have the secondary rank in terms of ** descending ***
document ID? That way there is much better likelihood that the most recently
published version of various editions will appear closer to the top of the OPAC
list, and certainly (all else being equal) above the earlier edition(s) of the
specific work.
Ray Delahunty
University of the Arts London
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