[Koha] How are authority records connected with biblio records ?

[David Holoshka]

Hi ,

Thanks for your answer Chris.  Is there some kind of plan / road map to 
get it working or should I just go ahead and try to fix it in a side 
branch of my own ?

Is anyone coordinating the work for this ?

Best Regards,

Dave


On 08/03/2017 10:42 PM, Chris Cormack wrote:
> * David Holoshka (david.holoshka at ub.lu.se) wrote:
>> Hi,
>>
>> I am migrating several million records from an existing vtls system 
>> to koha.  We are using mariadb, koha 17.05 (have pulled from master 
>> yesterday ), elastic search 5.4 and plack on debian systems.  As I 
>> wanted to preserve all the authority to biblio record links  I wrote 
>> my own migration script based on the relevant koha source.
>
> Hi David
>
> Did you really mean master, or did you pull from the 17.05.x branch?
> If you meant master you aren't running 17.05 but the unreleased code
> that will be 17.11.0 eventually.
>
> The ES authority support is still a work in progress.
>
> Chris
>
>>
>> Searching in the koha authorities intra will find the authority 
>> record but usually lists the number of biblio records having the auth 
>> as zero, but not always.  If I check the biblio index in ES the items 
>> have the correct auth id in the "an" field.  I can find no difference 
>> between the biblio records in the ES index that are reported as 
>> linked to the auth record to the ones that are not.  I connect the 
>> biblio recs to the authorities in the marc21 structure by putting 
>> the  koha auth id in field 100 sub field 9 (if it is a name auth).  
>> These marc records are now in the new biblio_metadata table.
>>
>>
>> How does koha find the biblio records connected to a paticular auth 
>> record ?
>>
>> Is this done dynamically by searching the ES indexes ?
>>
>>
>> Is this an issue with the zebra database?  Is it still required ?  I 
>> haven't been loading data into it since we switched to ES.
>>
>> Best Regards,
>>
>> Dave
>>
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>