[Koha-bugs] [Bug 14098] Regression in Marc Modification Templates

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=14098

Jonathan Druart <jonathan.druart at biblibre.com> changed:

           What    |Removed                     |Added
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           See Also|                            |http://bugs.koha-community.
                   |                            |org/bugzilla3/show_bug.cgi?
                   |                            |id=8015,
                   |                            |http://bugs.koha-community.
                   |                            |org/bugzilla3/show_bug.cgi?
                   |                            |id=11413,
                   |                            |http://bugs.koha-community.
                   |                            |org/bugzilla3/show_bug.cgi?
                   |                            |id=11319,
                   |                            |http://bugs.koha-community.
                   |                            |org/bugzilla3/show_bug.cgi?
                   |                            |id=11395
             Status|NEW                         |In Discussion
                 CC|                            |katrin.fischer at bsz-bw.de,
                   |                            |laurence.lefaucheur at biblibr
                   |                            |e.com, nengard at gmail.com,
                   |                            |tomascohen at gmail.com

--- Comment #4 from Jonathan Druart <jonathan.druart at biblibre.com> ---
I don't manage to provide a patch.
There is a lot of combinations.

How does it work now (3.20.00.000)?

Let's consider this control sample:

  245    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aA_exists
         _bB_exists

1/ Copy a field to a nonexistent field

Action: Copy the whole field 245 to 246:

Result:
  245    _aThe art of computer programming
         _cDonald E. Knuth.
  246    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aA_exists
         _bB_exists

2/ Copy a subfield to a nonexistent field

Result:
Action: Copy the subfield 245$a to 11395 246$a:

  245    _aThe art of computer programming
         _cDonald E. Knuth.
  246    _aThe art of computer programming
  300    _aA_exists
         _bB_exists

3/ Copy a field to an existent field

Result:
Action: Copy the whole field 245 to 300:

  245    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aA_exists
         _bB_exists
  300    _aThe art of computer programming
         _cDonald E. Knuth.

4/ Copy a subfield to an existent field

Result:
Action: Copy the subfield 245$a to 300$a:

  245    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aThe art of computer programming
         _bB_exists

QUESTION: First, is that make sense to add a new field in 3 but erase the
subfield in 4?
This is certainly wrong.


To support more use cases, I would like to create another action "copy and
replace".

Let's consider the same control sample:

  245    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aA_exists
         _bB_exists

1/ Copy (and replace) a field to a nonexistent field

Action: Copy the whole field 245 to 246.

Result (same as copy):
  245    _aThe art of computer programming
         _cDonald E. Knuth.
  246    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aA_exists
         _bB_exists

2/ Copy (and replace) a subfield to a nonexistent field

Action: Copy the subfield 245$a to 246$a.

Result (same as copy):
  245    _aThe art of computer programming
         _cDonald E. Knuth.
  246    _aThe art of computer programming
  300    _aA_exists
         _bB_exists

3/ Copy (and replace) a field to an existent field

Action: Copy the whole field 245 to 300:

Result:
  245    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aThe art of computer programming
         _cDonald E. Knuth.

4/ Copy (and replace) a field to an existent field

Action: Copy the subfield 245$a to 300$a:

Result:
  245    _aThe art of computer programming
         _cDonald E. Knuth.
  300    _aThe art of computer programming
         _bB_exists

QUESTION: Does everybody agree with that?

Ok, That was the easy situations.

Now what should happen if we have this control sample?
  245    _aThe art of computer programming
         _cDonald E. Knuth.
  245    _aAnother title
         _cAnother author
  300    _aA_exists
         _bB_exists
  300    _aA_also_exists
         _bB_also_exists

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