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Koha/C4/Koha.pm
Joshua Ferraro 3dcc72ad91 removing multivolume,multivolumepart,binding 
Signed-off-by: Chris Cormack <crc@liblime.com>
Signed-off-by: Joshua Ferraro <jmf@liblime.com>
2007-10-06 01:38:27 -05:00

915 lines
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Perl
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package C4::Koha;
# Copyright 2000-2002 Katipo Communications
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
# $Id$
use strict;
require Exporter;
use C4::Context;
use C4::Output;
our ($VERSION,@ISA,@EXPORT);
$VERSION = do { my @v = '$Revision$' =~ /\d+/g; shift(@v) . "." . join( "_", map { sprintf "%03d", $_ } @v ); };
=head1 NAME
C4::Koha - Perl Module containing convenience functions for Koha scripts
=head1 SYNOPSIS
use C4::Koha;
=head1 DESCRIPTION
Koha.pm provides many functions for Koha scripts.
=head1 FUNCTIONS
=over 2
=cut
@ISA = qw(Exporter);
@EXPORT = qw(
&slashifyDate
&DisplayISBN
&subfield_is_koha_internal_p
&GetPrinters &GetPrinter
&GetItemTypes &getitemtypeinfo
&GetCcodes
&GetAuthItemlost
&GetAuthItembinding
&get_itemtypeinfos_of
&getframeworks &getframeworkinfo
&getauthtypes &getauthtype
&getallthemes
&getFacets
&displayServers
&getnbpages
&getitemtypeimagesrcfromurl
&get_infos_of
&get_notforloan_label_of
&getitemtypeimagedir
&getitemtypeimagesrc
&GetAuthorisedValues
&FixEncoding
&GetKohaAuthorisedValues
&GetManagedTagSubfields
$DEBUG
);
my $DEBUG = 0;
=head2 slashifyDate
$slash_date = &slashifyDate($dash_date);
Takes a string of the form "DD-MM-YYYY" (or anything separated by
dashes), converts it to the form "YYYY/MM/DD", and returns the result.
=cut
sub slashifyDate {
# accepts a date of the form xx-xx-xx[xx] and returns it in the
# form xx/xx/xx[xx]
my @dateOut = split( '-', shift );
return ("$dateOut[2]/$dateOut[1]/$dateOut[0]");
}
=head2 DisplayISBN
my $string = DisplayISBN( $isbn );
=cut
sub DisplayISBN {
my ($isbn) = @_;
my $seg1;
if ( substr( $isbn, 0, 1 ) <= 7 ) {
$seg1 = substr( $isbn, 0, 1 );
}
elsif ( substr( $isbn, 0, 2 ) <= 94 ) {
$seg1 = substr( $isbn, 0, 2 );
}
elsif ( substr( $isbn, 0, 3 ) <= 995 ) {
$seg1 = substr( $isbn, 0, 3 );
}
elsif ( substr( $isbn, 0, 4 ) <= 9989 ) {
$seg1 = substr( $isbn, 0, 4 );
}
else {
$seg1 = substr( $isbn, 0, 5 );
}
my $x = substr( $isbn, length($seg1) );
my $seg2;
if ( substr( $x, 0, 2 ) <= 19 ) {
# if(sTmp2 < 10) sTmp2 = "0" sTmp2;
$seg2 = substr( $x, 0, 2 );
}
elsif ( substr( $x, 0, 3 ) <= 699 ) {
$seg2 = substr( $x, 0, 3 );
}
elsif ( substr( $x, 0, 4 ) <= 8399 ) {
$seg2 = substr( $x, 0, 4 );
}
elsif ( substr( $x, 0, 5 ) <= 89999 ) {
$seg2 = substr( $x, 0, 5 );
}
elsif ( substr( $x, 0, 6 ) <= 9499999 ) {
$seg2 = substr( $x, 0, 6 );
}
else {
$seg2 = substr( $x, 0, 7 );
}
my $seg3 = substr( $x, length($seg2) );
$seg3 = substr( $seg3, 0, length($seg3) - 1 );
my $seg4 = substr( $x, -1, 1 );
return "$seg1-$seg2-$seg3-$seg4";
}
# FIXME.. this should be moved to a MARC-specific module
sub subfield_is_koha_internal_p ($) {
my ($subfield) = @_;
# We could match on 'lib' and 'tab' (and 'mandatory', & more to come!)
# But real MARC subfields are always single-character
# so it really is safer just to check the length
return length $subfield != 1;
}
=head2 GetItemTypes
$itemtypes = &GetItemTypes();
Returns information about existing itemtypes.
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $itemtypes = GetItemTypes;
my @itemtypesloop;
foreach my $thisitemtype (sort keys %$itemtypes) {
my $selected = 1 if $thisitemtype eq $itemtype;
my %row =(value => $thisitemtype,
selected => $selected,
description => $itemtypes->{$thisitemtype}->{'description'},
);
push @itemtypesloop, \%row;
}
$template->param(itemtypeloop => \@itemtypesloop);
=head3 in TEMPLATE
<form action='<!-- TMPL_VAR name="script_name" -->' method=post>
<select name="itemtype">
<option value="">Default</option>
<!-- TMPL_LOOP name="itemtypeloop" -->
<option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="description" --></option>
<!-- /TMPL_LOOP -->
</select>
<input type=text name=searchfield value="<!-- TMPL_VAR name="searchfield" -->">
<input type="submit" value="OK" class="button">
</form>
=cut
sub GetItemTypes {
# returns a reference to a hash of references to branches...
my %itemtypes;
my $dbh = C4::Context->dbh;
my $query = qq|
SELECT *
FROM itemtypes
|;
my $sth = $dbh->prepare($query);
$sth->execute;
while ( my $IT = $sth->fetchrow_hashref ) {
$itemtypes{ $IT->{'itemtype'} } = $IT;
}
return ( \%itemtypes );
}
sub get_itemtypeinfos_of {
my @itemtypes = @_;
my $query = '
SELECT itemtype,
description,
notforloan
FROM itemtypes
WHERE itemtype IN (' . join( ',', map( { "'" . $_ . "'" } @itemtypes ) ) . ')
';
return get_infos_of( $query, 'itemtype' );
}
# this is temporary until we separate collection codes and item types
sub GetCcodes {
my $count = 0;
my @results;
my $dbh = C4::Context->dbh;
my $sth =
$dbh->prepare(
"SELECT * FROM authorised_values ORDER BY authorised_value");
$sth->execute;
while ( my $data = $sth->fetchrow_hashref ) {
if ( $data->{category} eq "CCODE" ) {
$count++;
$results[$count] = $data;
#warn "data: $data";
}
}
$sth->finish;
return ( $count, @results );
}
=head2
grab itemlost authorized values
=cut
sub GetAuthItemlost {
my $itemlost = shift;
my $count = 0;
my @results;
my $dbh = C4::Context->dbh;
my $sth =
$dbh->prepare(
"SELECT * FROM authorised_values ORDER BY authorised_value");
$sth->execute;
while ( my $data = $sth->fetchrow_hashref ) {
if ( $data->{category} eq "ITEMLOST" ) {
$count++;
if ( $itemlost eq $data->{'authorised_value'} ) {
$data->{'selected'} = 1;
}
$results[$count] = $data;
#warn "data: $data";
}
}
$sth->finish;
return ( $count, @results );
}
=head2 getauthtypes
$authtypes = &getauthtypes();
Returns information about existing authtypes.
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $authtypes = getauthtypes;
my @authtypesloop;
foreach my $thisauthtype (keys %$authtypes) {
my $selected = 1 if $thisauthtype eq $authtype;
my %row =(value => $thisauthtype,
selected => $selected,
authtypetext => $authtypes->{$thisauthtype}->{'authtypetext'},
);
push @authtypesloop, \%row;
}
$template->param(itemtypeloop => \@itemtypesloop);
=head3 in TEMPLATE
<form action='<!-- TMPL_VAR name="script_name" -->' method=post>
<select name="authtype">
<!-- TMPL_LOOP name="authtypeloop" -->
<option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="authtypetext" --></option>
<!-- /TMPL_LOOP -->
</select>
<input type=text name=searchfield value="<!-- TMPL_VAR name="searchfield" -->">
<input type="submit" value="OK" class="button">
</form>
=cut
sub getauthtypes {
# returns a reference to a hash of references to authtypes...
my %authtypes;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from auth_types order by authtypetext");
$sth->execute;
while ( my $IT = $sth->fetchrow_hashref ) {
$authtypes{ $IT->{'authtypecode'} } = $IT;
}
return ( \%authtypes );
}
sub getauthtype {
my ($authtypecode) = @_;
# returns a reference to a hash of references to authtypes...
my %authtypes;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from auth_types where authtypecode=?");
$sth->execute($authtypecode);
my $res = $sth->fetchrow_hashref;
return $res;
}
=head2 getframework
$frameworks = &getframework();
Returns information about existing frameworks
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $frameworks = frameworks();
my @frameworkloop;
foreach my $thisframework (keys %$frameworks) {
my $selected = 1 if $thisframework eq $frameworkcode;
my %row =(value => $thisframework,
selected => $selected,
description => $frameworks->{$thisframework}->{'frameworktext'},
);
push @frameworksloop, \%row;
}
$template->param(frameworkloop => \@frameworksloop);
=head3 in TEMPLATE
<form action='<!-- TMPL_VAR name="script_name" -->' method=post>
<select name="frameworkcode">
<option value="">Default</option>
<!-- TMPL_LOOP name="frameworkloop" -->
<option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="frameworktext" --></option>
<!-- /TMPL_LOOP -->
</select>
<input type=text name=searchfield value="<!-- TMPL_VAR name="searchfield" -->">
<input type="submit" value="OK" class="button">
</form>
=cut
sub getframeworks {
# returns a reference to a hash of references to branches...
my %itemtypes;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from biblio_framework");
$sth->execute;
while ( my $IT = $sth->fetchrow_hashref ) {
$itemtypes{ $IT->{'frameworkcode'} } = $IT;
}
return ( \%itemtypes );
}
=head2 getframeworkinfo
$frameworkinfo = &getframeworkinfo($frameworkcode);
Returns information about an frameworkcode.
=cut
sub getframeworkinfo {
my ($frameworkcode) = @_;
my $dbh = C4::Context->dbh;
my $sth =
$dbh->prepare("select * from biblio_framework where frameworkcode=?");
$sth->execute($frameworkcode);
my $res = $sth->fetchrow_hashref;
return $res;
}
=head2 getitemtypeinfo
$itemtype = &getitemtype($itemtype);
Returns information about an itemtype.
=cut
sub getitemtypeinfo {
my ($itemtype) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from itemtypes where itemtype=?");
$sth->execute($itemtype);
my $res = $sth->fetchrow_hashref;
$res->{imageurl} = getitemtypeimagesrcfromurl( $res->{imageurl} );
return $res;
}
sub getitemtypeimagesrcfromurl {
my ($imageurl) = @_;
if ( defined $imageurl and $imageurl !~ m/^http/ ) {
$imageurl = getitemtypeimagesrc() . '/' . $imageurl;
}
return $imageurl;
}
sub getitemtypeimagedir {
return C4::Context->opachtdocs . '/'
. C4::Context->preference('template')
. '/itemtypeimg';
}
sub getitemtypeimagesrc {
return '/opac-tmpl' . '/'
. C4::Context->preference('template')
. '/itemtypeimg';
}
=head2 GetPrinters
$printers = &GetPrinters();
@queues = keys %$printers;
Returns information about existing printer queues.
C<$printers> is a reference-to-hash whose keys are the print queues
defined in the printers table of the Koha database. The values are
references-to-hash, whose keys are the fields in the printers table.
=cut
sub GetPrinters {
my %printers;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from printers");
$sth->execute;
while ( my $printer = $sth->fetchrow_hashref ) {
$printers{ $printer->{'printqueue'} } = $printer;
}
return ( \%printers );
}
=head2 GetPrinter
$printer = GetPrinter( $query, $printers );
=cut
sub GetPrinter ($$) {
my ( $query, $printers ) = @_; # get printer for this query from printers
my $printer = $query->param('printer');
my %cookie = $query->cookie('userenv');
($printer) || ( $printer = $cookie{'printer'} ) || ( $printer = '' );
( $printers->{$printer} ) || ( $printer = ( keys %$printers )[0] );
return $printer;
}
=item getnbpages
Returns the number of pages to display in a pagination bar, given the number
of items and the number of items per page.
=cut
sub getnbpages {
my ( $nb_items, $nb_items_per_page ) = @_;
return int( ( $nb_items - 1 ) / $nb_items_per_page ) + 1;
}
=item getallthemes
(@themes) = &getallthemes('opac');
(@themes) = &getallthemes('intranet');
Returns an array of all available themes.
=cut
sub getallthemes {
my $type = shift;
my $htdocs;
my @themes;
if ( $type eq 'intranet' ) {
$htdocs = C4::Context->config('intrahtdocs');
}
else {
$htdocs = C4::Context->config('opachtdocs');
}
opendir D, "$htdocs";
my @dirlist = readdir D;
foreach my $directory (@dirlist) {
-d "$htdocs/$directory/en" and push @themes, $directory;
}
return @themes;
}
sub getFacets {
my $facets;
if ( C4::Context->preference("marcflavour") eq "UNIMARC" ) {
$facets = [
{
link_value => 'su-to',
label_value => 'Topics',
tags =>
[ '600', '601', '602', '603', '604', '605', '606', '610' ],
subfield => 'a',
},
{
link_value => 'su-geo',
label_value => 'Places',
tags => ['651'],
subfield => 'a',
},
{
link_value => 'su-ut',
label_value => 'Titles',
tags => [ '500', '501', '502', '503', '504', ],
subfield => 'a',
},
{
link_value => 'au',
label_value => 'Authors',
tags => [ '700', '701', '702', ],
subfield => 'a',
},
{
link_value => 'se',
label_value => 'Series',
tags => ['225'],
subfield => 'a',
},
{
link_value => 'branch',
label_value => 'Branches',
tags => [ '995', ],
subfield => 'b',
expanded => '1',
},
];
}
else {
$facets = [
{
link_value => 'su-to',
label_value => 'Topics',
tags => ['650'],
subfield => 'a',
},
# {
# link_value => 'su-na',
# label_value => 'People and Organizations',
# tags => ['600', '610', '611'],
# subfield => 'a',
# },
{
link_value => 'su-geo',
label_value => 'Places',
tags => ['651'],
subfield => 'a',
},
{
link_value => 'su-ut',
label_value => 'Titles',
tags => ['630'],
subfield => 'a',
},
{
link_value => 'au',
label_value => 'Authors',
tags => [ '100', '110', '700', ],
subfield => 'a',
},
{
link_value => 'se',
label_value => 'Series',
tags => [ '440', '490', ],
subfield => 'a',
},
{
link_value => 'branch',
label_value => 'Branches',
tags => [ '952', ],
subfield => 'b',
expanded => '1',
},
];
}
return $facets;
}
=head2 get_infos_of
Return a href where a key is associated to a href. You give a query, the
name of the key among the fields returned by the query. If you also give as
third argument the name of the value, the function returns a href of scalar.
my $query = '
SELECT itemnumber,
notforloan,
barcode
FROM items
';
# generic href of any information on the item, href of href.
my $iteminfos_of = get_infos_of($query, 'itemnumber');
print $iteminfos_of->{$itemnumber}{barcode};
# specific information, href of scalar
my $barcode_of_item = get_infos_of($query, 'itemnumber', 'barcode');
print $barcode_of_item->{$itemnumber};
=cut
sub get_infos_of {
my ( $query, $key_name, $value_name ) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare($query);
$sth->execute();
my %infos_of;
while ( my $row = $sth->fetchrow_hashref ) {
if ( defined $value_name ) {
$infos_of{ $row->{$key_name} } = $row->{$value_name};
}
else {
$infos_of{ $row->{$key_name} } = $row;
}
}
$sth->finish;
return \%infos_of;
}
=head2 get_notforloan_label_of
my $notforloan_label_of = get_notforloan_label_of();
Each authorised value of notforloan (information available in items and
itemtypes) is link to a single label.
Returns a href where keys are authorised values and values are corresponding
labels.
foreach my $authorised_value (keys %{$notforloan_label_of}) {
printf(
"authorised_value: %s => %s\n",
$authorised_value,
$notforloan_label_of->{$authorised_value}
);
}
=cut
sub get_notforloan_label_of {
my $dbh = C4::Context->dbh;
my $query = '
SELECT authorised_value
FROM marc_subfield_structure
WHERE kohafield = \'items.notforloan\'
LIMIT 0, 1
';
my $sth = $dbh->prepare($query);
$sth->execute();
my ($statuscode) = $sth->fetchrow_array();
$query = '
SELECT lib,
authorised_value
FROM authorised_values
WHERE category = ?
';
$sth = $dbh->prepare($query);
$sth->execute($statuscode);
my %notforloan_label_of;
while ( my $row = $sth->fetchrow_hashref ) {
$notforloan_label_of{ $row->{authorised_value} } = $row->{lib};
}
$sth->finish;
return \%notforloan_label_of;
}
sub displayServers {
my ( $position, $type ) = @_;
my $dbh = C4::Context->dbh;
my $strsth = "SELECT * FROM z3950servers where 1";
$strsth .= " AND position=\"$position\"" if ($position);
$strsth .= " AND type=\"$type\"" if ($type);
my $rq = $dbh->prepare($strsth);
$rq->execute;
my @primaryserverloop;
while ( my $data = $rq->fetchrow_hashref ) {
my %cell;
$cell{label} = $data->{'description'};
$cell{id} = $data->{'name'};
$cell{value} =
$data->{host}
. ( $data->{port} ? ":" . $data->{port} : "" ) . "/"
. $data->{database}
if ( $data->{host} );
$cell{checked} = $data->{checked};
push @primaryserverloop,
{
label => $data->{description},
id => $data->{name},
name => "server",
value => $data->{host} . ":"
. $data->{port} . "/"
. $data->{database},
checked => "checked",
icon => $data->{icon},
zed => $data->{type} eq 'zed',
opensearch => $data->{type} eq 'opensearch'
};
}
return \@primaryserverloop;
}
sub displaySecondaryServers {
# my $secondary_servers_loop = [
# { inner_sup_servers_loop => [
# {label => "Google", id=>"GOOG", value=>"google",icon => "google.ico",opensearch => "1"},
# {label => "Yahoo", id=>"YAH", value=>"yahoo", icon =>"yahoo.ico", zed => "1"},
# {label => "Worldcat", id=>"WCT", value=>"worldcat", icon => "worldcat.gif", zed => "1"},
# {label => "Library of Congress", id=>"LOC", name=> "server", value=>"z3950.loc.gov:7090/Voyager", icon =>"loc.ico", zed => "1"},
# ],
# },
# ];
return; #$secondary_servers_loop;
}
=head2 GetAuthorisedValues
$authvalues = GetAuthorisedValues($category);
this function get all authorised values from 'authosied_value' table into a reference to array which
each value containt an hashref.
Set C<$category> on input args if you want to limits your query to this one. This params is not mandatory.
=cut
sub GetAuthorisedValues {
my $category = shift;
my $dbh = C4::Context->dbh;
my $query = "SELECT * FROM authorised_values";
$query .= " WHERE category = '" . $category . "'" if $category;
my $sth = $dbh->prepare($query);
$sth->execute;
my $data = $sth->fetchall_arrayref({});
return $data;
}
=item fixEncoding
$marcrecord = &fixEncoding($marcblob);
Returns a well encoded marcrecord.
=cut
sub FixEncoding {
my $marc=shift;
my $record = MARC::Record->new_from_usmarc($marc);
if (C4::Context->preference("MARCFLAVOUR") eq "UNIMARC"){
use Encode::Guess;
my $targetcharset="utf8" if (C4::Context->preference("TemplateEncoding") eq "utf-8");
$targetcharset="latin1" if (C4::Context->preference("TemplateEncoding") eq "iso-8859-1");
my $decoder = guess_encoding($marc, qw/utf8 latin1/);
# die $decoder unless ref($decoder);
if (ref($decoder)) {
my $newRecord=MARC::Record->new();
foreach my $field ($record->fields()){
if ($field->tag()<'010'){
$newRecord->insert_grouped_field($field);
} else {
my $newField;
my $createdfield=0;
foreach my $subfield ($field->subfields()){
if ($createdfield){
if (($newField->tag eq '100')) {
substr($subfield->[1],26,2,"0103") if ($targetcharset eq "latin1");
substr($subfield->[1],26,4,"5050") if ($targetcharset eq "utf8");
}
map {C4::Biblio::char_decode($_,"UNIMARC")} @$subfield;
$newField->add_subfields($subfield->[0]=>$subfield->[1]);
} else {
map {C4::Biblio::char_decode($_,"UNIMARC")} @$subfield;
$newField=MARC::Field->new($field->tag(),$field->indicator(1),$field->indicator(2),$subfield->[0]=>$subfield->[1]);
$createdfield=1;
}
}
$newRecord->insert_grouped_field($newField);
}
}
# warn $newRecord->as_formatted();
return $newRecord;
} else {
return $record;
}
} else {
return $record;
}
}
=head2 GetKohaAuthorisedValues
Takes $dbh , $kohafield as parameters.
returns hashref of authvalCode => liblibrarian
or undef if no authvals defined for kohafield.
=cut
sub GetKohaAuthorisedValues {
my ($kohafield) = @_;
my %values;
my $dbh = C4::Context->dbh;
my $sthnflstatus = $dbh->prepare('select authorised_value from marc_subfield_structure where kohafield=?');
$sthnflstatus->execute($kohafield);
my $authorised_valuecode = $sthnflstatus->fetchrow;
if ($authorised_valuecode) {
$sthnflstatus = $dbh->prepare("select authorised_value, lib from authorised_values where category=? ");
$sthnflstatus->execute($authorised_valuecode);
while ( my ($val, $lib) = $sthnflstatus->fetchrow_array ) {
$values{$val}= $lib;
}
}
return \%values;
}
=head2 GetManagedTagSubfields
=over 4
$res = GetManagedTagSubfields();
Returns a reference to a big hash of hash, with the Marc structure fro the given frameworkcode
$forlibrarian :if set to 1, the MARC descriptions are the librarians ones, otherwise it's the public (OPAC) ones
$frameworkcode : the framework code to read
=back
=back
=cut
sub GetManagedTagSubfields{
my $dbh=C4::Context->dbh;
my $rq=$dbh->prepare(qq|
SELECT
DISTINCT CONCAT( marc_subfield_structure.tagfield, tagsubfield ) AS tagsubfield,
marc_subfield_structure.liblibrarian as subfielddesc,
marc_tag_structure.liblibrarian as tagdesc
FROM marc_subfield_structure
LEFT JOIN marc_tag_structure
ON marc_tag_structure.tagfield = marc_subfield_structure.tagfield
AND marc_tag_structure.frameworkcode = marc_subfield_structure.frameworkcode
WHERE marc_subfield_structure.tab>=0
ORDER BY tagsubfield|);
$rq->execute;
my $data=$rq->fetchall_arrayref({});
return $data;
}
1;
__END__
=head1 AUTHOR
Koha Team
=cut
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