[Koha-bugs] [Bug 30909] Regression, Permanent shelving location is always updated when editing location if both are mapped to MARC fields

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=30909

--- Comment #7 from David Nind <david at davidnind.com> ---
I couldn't get steps 1 and 2 of the bug test plan to work correctly - will
leave for someone who knows what they should be doing here. I'm sure it is
something relatively simple that I'm not getting!

For step 2c below, after I press OK the page reloads but there is nothing shown
for permanent_location. When I test the frameworks, I get this error:
items.permanent_location mapped: The following mappings exist for
items.permanent_location, and they shouldn't.
Framework code  Framework description   Tag     Subfield
BKS     Books, Booklets, Workbooks      952     L

This is what I did/intended to do: 
1. Create and expose a new 952 subfield in the item editor:
   a. Administration > Catalog > MARC bibliographic framework
   b. Select the BKS MARC framework
   c. Add a new subfield for 952 - L, use the same settings as 952$c, except
name as Permanent shelving location
2. Map permanent_location to a marc field:
   a. Administration > Catalog > Koha to MARC mapping
   b. Locate items.permanent_location then select Add
   c. Map to a new 952 field, for example 952,L
   d. Rebuild the marc mappings: remove the duplicate 010 for record 72, then
misc/batchRebuildBiblioTables.pl -c will run without errors
3. Edit an item, changing location to X and permanent location to Y, save (for
example: location = New materials shelf, Permanent shelving location = General
stacks).
4. Confirm record shows location=X, permanent_location=Y (for example: location
= New materials shelf, Permanent shelving location = General stacks).
5. Edit item again, change location to Z, do not change permanent location,
save (for example: Children's area).
6. Run through steps 3-6 using batch item modification for a record with
multiple items (record details page > Select all the items under the holdings
tab > Modify selected items).
   ==> Not: new 952 subfield is not shown, so you can't use the batch item
modification
8. Apply patch, flush_memcached, restart_all.
9. Repeat steps 3-6.
10. Confirm location=Z, permanent location=Y.
11. Run the tests: prove t/db_dependent/Items.t

Notes:
- When you add a mapping: the instructions say:
"Adding a mapping for: items.permanent_location.
Please enter field tag and subfield code, separated by a comma. (For control
fields: add '@' as subfield code.)
The change will be applied immediately."
- However, at the top of the page it says: "If you make any change to the
mappings, you must ask your administrator to run
misc/batchRebuildBiblioTables.pl."
- Not sure which is right here and hwteher this shouldbe logged as a new bug.

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