[Koha-bugs] [Bug 21972] New: Record matching rule for authorities only works for first 20 authority records

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21972

            Bug ID: 21972
           Summary: Record matching rule for authorities only works for
                    first 20 authority records
 Change sponsored?: ---
           Product: Koha
           Version: 18.11
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: P5 - low
         Component: MARC Authority data support
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: simon.hohl at dainst.org
        QA Contact: testopia at bugs.koha-community.org

Created attachment 82955
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=82955&action=edit
MARC File containing geographical authority data

The summary is already my first interpretation, the following is happening:

I am trying trying to import some custom authority data (see attached mrc file)
and have defined a matching rule accordingly:

Match threshold: 1000
Record type: Authority record

Match point 1:
Search index: indentifier-standard
Score: 500
Tag: 024
Subfields: a
Offset/Length: 0

Match point 2:
Search index: indentifier-standard
Score: 500
Tag: 024
Subfields: 2
Offset/Length: 0

While using the command line interface (staging + commit) to automatically
update authority data, I noticed that the number of successfully matched
records was far too low. 

As a strict test I then did the following:
1. Import the data using the bulkimport script
2. Upload the same data in the staging Interface
3. See which records match and which do not, in order to find a pattern in
those who fail.

The only pattern I encountered was the following: Only the (initially) first 20
imported records are actually matched. Meaning only authorities with ID 1 to 20
are successfully matched with the staged import, everything else stands as "No
Match". 

I tried this with different sets of place data, still the same result.

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