[Koha-bugs] [Bug 8823] New: CatalogModuleRelink Creates Multiple Links between Bib and Auth record ($9 RLIN)

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8823

          Priority: P5 - low
 Change sponsored?: ---
            Bug ID: 8823
                CC: m.de.rooy at rijksmuseum.nl
          Assignee: gmcharlt at gmail.com
           Summary: CatalogModuleRelink Creates Multiple Links between Bib
                    and Auth record  ($9 RLIN)
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: joy at bywatersolutions.com
          Hardware: All
            Status: NEW
           Version: rel_3_8
         Component: Cataloging
           Product: Koha

Created attachment 12510
  -->
http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=12510&action=edit
Screenshot of edit screen

Following system preferences are set in Authorities tab:
AutoCreateAuthorities     --GENERATE
BiblioAddsAuthorities     --ALLOW
dontmerge             --DO
UseAuthoritiesForTracings --DON'T    

Linker
CatalogModuleRelink     --DO
LinkerKeepStale     --DON'T
LinkerModule             --First Match
LinkerOptions             <blank>
LinkerRelink             --DO

When editing a bibliographic record, (editing anything) Koha relinks the bib
record to a machine generated auth record and retains the previous link.  So,
multiple $9 fields are created for every tag that links to an authority record.


Part of MARCxml in biblioitems
<datafield tag="100" ind1=" " ind2=" ">
    <subfield code="a">Einstein, Albert</subfield>
    <subfield code="d">1800-2010</subfield>
    <subfield code="9">260394</subfield>
    <subfield code="c">Numero Uno</subfield>
    <subfield code="9">260395</subfield>
    <subfield code="9">260399</subfield>
    <subfield code="9">260403</subfield>
    <subfield code="9">260407</subfield>
    <subfield code="9">260411</subfield>
    <subfield code="9">260415</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2="0">
    <subfield code="a">Relativity (Physics)</subfield>
    <subfield code="9">253848</subfield>
    <subfield code="9">260396</subfield>
    <subfield code="9">260400</subfield>
    <subfield code="9">260404</subfield>
    <subfield code="9">260408</subfield>
    <subfield code="9">260412</subfield>
    <subfield code="9">260416</subfield>
  </datafield>
  <datafield tag="700" ind1="1" ind2=" ">
    <subfield code="9">195045</subfield>
    <subfield code="a">Einstein, Albert,</subfield>
    <subfield code="d">1879-1955.</subfield>
    <subfield code="9">260397</subfield>
    <subfield code="9">260401</subfield>
    <subfield code="9">260405</subfield>
    <subfield code="9">260409</subfield>
    <subfield code="9">260413</subfield>
    <subfield code="9">260417</subfield>
  </datafield>
  <datafield tag="830" ind1=" " ind2="0">
    <subfield code="a">Bonanza paperback.</subfield>
    <subfield code="9">253849</subfield>
    <subfield code="9">260398</subfield>
    <subfield code="9">260402</subfield>
    <subfield code="9">260406</subfield>
    <subfield code="9">260410</subfield>
    <subfield code="9">260414</subfield>
    <subfield code="9">260418</subfield>

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