[Koha-bugs] [Bug 21517] OAI returns records outside of specified time range.

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21517

--- Comment #2 from Jonathan Druart <jonathan.druart at bugs.koha-community.org> ---
I think I got it, the from/until parameters are used to retrieve the
biblionumber of the records we will display. But the "datestamp" value is
filled with the following query (from Koha/OAI/Server/ListBase.pm):

            $sql = " 
                SELECT MAX(timestamp)
                FROM (
                    SELECT timestamp FROM biblio_metadata WHERE biblionumber =
?
                    UNION
                    SELECT timestamp FROM deleteditems WHERE biblionumber = ?
                    UNION
                    SELECT timestamp FROM items WHERE biblionumber = ?
                ) bi
            ";

So my guess is that the bibliographic records have not been modified inside the
date range, but items have been added/modified outside of it (in 2014).

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