[Koha-bugs] [Bug 25189] AutoCreateAuthorities can repeatedly generate authority records when using Default linker

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=25189

Andrew Fuerste-Henry <andrew at bywatersolutions.com> changed:

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--- Comment #7 from Andrew Fuerste-Henry <andrew at bywatersolutions.com> ---
Created attachment 103895
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https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=103895&action=edit
Bug 25189: Don't create authority if results found

Automatic authority creation assumes that if we don't match we need a new
authority.

Using the Default linker, however, we don't match if there exists more than one
match.
This leads to repeatedly generating authorities once there is a duplicate in
the system

We shoudl instead only create a new authority if there are no results

To test:
1 - Set Linker Module to 'Default'
2 - Enable  AutoCreateAuthorities  and  BiblioAddsAuthorities and 
CatalogModuleRelink and LinkerRelink
3 - Add two copies of a single authority via Z39
4 - Add a heading for that authority to a bib record
5 - Save the record and note a new authority is generated
6 - Repeat and see another is generated
7 - Apply patch
8 - Restart all the things
9 - Save the record again, no new authority created

Signed-off-by: Andrew Fuerste-Henry <andrew at bywatersolutions.com>

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