[Koha-bugs] [Bug 12721] Prevent software error if incorrect fieldnames given in sypref StatisticsFields

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=12721

--- Comment #2 from Marc Véron <veron at veron.ch> ---
Created attachment 43573
  -->
http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=43573&action=edit
Bug 12721 - Prevent software error if incorrect fieldnames given in sypref
StatisticsFields

To reproduce issue:
See comment #1

To test:
- Apply patch
- Leave syspref StatisticsFields empty
- Display statistics for an author

  => Result: Table displays Shelving location, Collection code, Item type
           (as before)

- Change syspref to any combination of location|itype|ccode
  => Result: Table displays columns as appropriate

- Change syspref to some garbage
  => Result: Same as with empty syspref (was crashing without patch)

- Change syspref to valid combination with trailing |
  => Result: Table displays columns as appropriate (was crashing
     without patch)

- Change syspref to a combination of valid and invalid fields
  (location|blah|ccode)
  => Result: Table displays column of valid fields only (was crashing
     without patch)

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