[Koha-bugs] [Bug 18265] Followup to Bug 17196. deletedbiblio_metadata is not used. biblioitemnumber was forgotten

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=18265

Olli-Antti Kivilahti <olli-antti.kivilahti at jns.fi> changed:

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--- Comment #6 from Olli-Antti Kivilahti <olli-antti.kivilahti at jns.fi> ---
Created attachment 61098
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=61098&action=edit
Bug 18265 - Followup to Buuug 17196. deletedbiblio_metadata is not used.
biblioitemnumber was forgot. FK to wrong table.

Exhibit 1:

The MARCXML is lost when the biblio is deleted because the values in
biblio_metadata-table from biblioitems-table are never moved to
deletedbiblio_metadata-table.
Previously the marcxml was preserved in the oldbiblioitems-table
This is a challenge for gathering statistics
For example item has been ordered, received, and removed from collection during
the statistics period
Information in marcxml is needed to accurately categorize the item

Exhibit 2:

[15:22:38] <kivilahtio> also. In Koha there once was a great idea that one
biblio-entry can have multiple biblioitems
[15:22:45] <kivilahtio> and the marcxml was tied to the biblioitems-table
[15:23:11] <kivilahtio> this is a nice idea, but nobdy really cared for it and
now biblionumber and biblioitemnumber are used interchangeably
[15:23:22] <kivilahtio> except when they get out of sync during a data
migration
[15:23:41] <kivilahtio> then things start to work really interestingly
[15:23:47] <kivilahtio> but the point is
[15:23:57] <kivilahtio> biblio_metadata has a biblionumber-column
[15:24:15] <kivilahtio> shouldn't it have a biblioitemnumber-column, just for
old time's sake?

In the biblioitems-table we had marcxml. primary keyed with biblioitemnumber.
Now the marcxml is moved to biblio_metadata and the foreign key reference was
simplified to biblionumber.
This makes the existing FRBR-bug worse.

Exhibit 3:

Just noticed while doing DB changes, that biblio_metadata is linked to the
biblio table instead of the biblioitems-table!

No FRBR there.

Is being fixed.

REPLICATE ISSUE:

Create biblio
Delete biblio
Where is deletedbiblio_metadata-row?

TEST PLAN:

perl misc/devel/update_dbix_class_files.pl

perl t/db_dependent/Biblio_crud.t

perl t/db_dependent/Holds/HoldFulfillmentPolicy.t
 + other tests from Buug 17196

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