[Koha-bugs] [Bug 6990] TransformKohaToMarc enhancement

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6990

--- Comment #30 from Janusz Kaczmarek <januszop at gmail.com> 2012-02-02 11:10:01 UTC ---
I can confirm. After switching to current master the error does not occur any
more when playing with mod_perl. But since Nicole was not using mod_perl and
because there was no change to the code of C4::Biblio::TransformKohaToMarc (nor
C4::Context::_new_marcfromkohafield on which it depends), it would mean that
under *unpredictable*circumstances*, not just under mod_perl, it could happen
that the result of the attribution 

$dtm = $db_to_marc->{''}->{$name} 

is something defined (like a reference to an empty table [], as it is in my
case) while it would be rather expected to be undefined. (This is why Nicole,
and me, got $tag being '' in line 1849, etc.)

In that context the version

my $dtm = $db_to_marc->{''}->{$name};
next unless $dtm->[0];

is more verbose, but does the same in a more robust way. 

But since nobody else experienced this error I do not know if I should send a
patch...?

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