[Koha-devel] link_bibs_to_authorities.pl can corrupt records

[Ian Walls]

Paul,


The link_bibs_to_authorities.pl script is hardcoded to ALWAYS erase manual
links.  I'm not sure what the reasoning is behind that.  But, every time
you run it, any link you've done manually that the script can't
automatically figure out will be removed.  Nature of the beast (for now, at
least).


-Ian

2012/1/6 Chris Cormack <chris at bigballofwax.co.nz>

> Im assuming you did this on your testing/staging server right?
> Id restore that from backup, then try applying the patch and see if you
> get better behaviour.
>
> If so, then do it on your production machine.
>
> Chris
> On 7 Jan 2012 08:47, "Paul" <paul.a at aandc.org> wrote:
>
>> Bug 5683 (link_bibs_to_authorities.pl can corrupt records) was signed
>> off some months ago, but is perhaps a little too cryptic for me to follow
>> in detail.  Can someone help? As far as I can see, without remedial action,
>> this is catastrophic.
>>
>> Following difficulties we have had migrating 3.2 to 3.6.1, someone on the
>> users mailing list suggested we should run link_bibs_to_authorities.pl-- (db has ~10k authorities and ~15k biblios) -- so I did just that, and
>> have APPARENTLY DEMOLISHED *EVERY* LINK IN THE DB.  From my notes:
>>
>> paul at nelson:/usr/share/koha$ ./bin/link_bibs_to_**authorities.pl<http://link_bibs_to_authorities.pl>
>>
>> Bib authority heading linking report
>> ------------------------------**------
>> Number of bibs checked:       14911
>> Number of bibs modified:      14886
>> Number of bibs with errors:   0
>>
>> but - the staff interface no longer correctly finds authorities !!!
>>
>> [1] Manually link (staff client) auth "Lubbock" to bib "Arctic Whalers"
>> -- now linked, 35 other Lubbock bibs not linked.  Is this a question of
>> zebra re-indexing?
>>
>> So:  KOHA_CONF=/etc/koha/koha-conf.**xml PERL5LIB=/usr/share/koha/lib
>> ./bin/migration_tools/rebuild_**zebra.pl <http://rebuild_zebra.pl> -a -r
>> -v
>> and  KOHA_CONF=/etc/koha/koha-conf.**xml PERL5LIB=/usr/share/koha/lib
>> ./bin/migration_tools/rebuild_**zebra.pl <http://rebuild_zebra.pl> -b -r
>> -v -x
>>
>> koha at nelson:/usr/share/koha$ ./bin/link_bibs_to_**authorities.pl<http://link_bibs_to_authorities.pl>
>> ... processed 100 records
>> / ... /
>> ... processed 14900 records
>>
>> Bib authority heading linking report
>> ------------------------------**------
>> Number of bibs checked:       14911
>> Number of bibs modified:      1
>> Number of bibs with errors:   0
>> koha at nelson:/usr/share/koha$
>>
>> All this did was to *un-link" the bib/auth link that I had manually
>> entered at [1] above. Could someone involved with signing off bug 5683
>> please explain why link==unlink?
>>
>> Help - please.
>>
>> Paul
>>
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>>
>
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-- 
Ian Walls
Lead Development Specialist
ByWater Solutions
ALA Midwinter Booth #2048
Phone # (888) 900-8944
http://bywatersolutions.com
ian.walls at bywatersolutions.com
Twitter: @sekjal
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