[Koha-bugs] [Bug 17815] Problems with search for dateaccessioned

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Thu Jan 19 01:50:14 CET 2017


https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=17815

--- Comment #7 from David Cook <dcook at prosentient.com.au> ---
As for bug 14861, you'll notice the CCL qualifiers are
"acqdate,st-date-normalized". That st-date-normalized gives it a structure
attribute of "date".

If we follow the spec for "date", we find: 

The day, month, year and time when a
        (normalized)            transaction or event takes place.  The
                                date search term structure is as defined
                                for Generalized Time in ASN.1 (ISO 8824)
                                except that the only mandatory portion of
                                the string is the four-digit representation
                                of the year.


http://www.loc.gov/z3950/agency/bib1.html

Some Googling suggests ISO 8824 might use the following format:

Format: YYYY[MM[DD[HHMM[SS[.S[S[S[S]]]]]]]][+/-ZZZZ]^

Of course, I don't know how ICU and CHR normalization rules factor in with the
"2011-09-01 - 2011-09-30" search string...

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