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create table servers ( |
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name text not null, |
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host text not null, |
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port int not null default 210, |
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database text default 'Default', |
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primary key(name) |
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); |
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|
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-- insert sample |
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insert into servers values ( 'NSK', '161.53.240.27', 8090, 'voyager' ); |
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|
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create type item as ( |
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title text, |
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author text, |
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edition text, |
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date text |
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); |
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|
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create or replace function search(text) |
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returns setof item |
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language plperlu |
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as $$ |
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|
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my ( $query ) = @_; |
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|
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my ( $host, $port, $database ) = |
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( '161.53.240.27', 8090, 'voyager' ); |
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|
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use ZOOM; |
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use MARC::Record; |
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|
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my $pqf = { |
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isbn => '@attr 1=7 @attr 4=1 "%s"', |
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title => '@attr 1=4 @attr 4=1 "%s"', |
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author => '@attr 1=1003 @attr 4=1 "%s"', |
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issn => '@attr 1=8 @attr 4=1 "%s"', |
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}; |
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|
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sub q2cqf { |
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my $q = shift; |
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if ($q =~ m/^(\w+):\s*(.*)$/) { |
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my ( $k,$v ) = ( $1,$2 ); |
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return sprintf( $pqf->{ $k }, $v ) if ( defined( $pqf->{ $k } ) ); |
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} |
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return $q; |
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} |
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|
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my $conn = new ZOOM::Connection($host, $port, |
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databaseName => $database) or |
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die "can't connect to ${host}:${port}/${database}\n"; |
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|
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$conn->option(preferredRecordSyntax => "usmarc"); |
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|
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my $rs = $conn->search_pqf( q2cqf( $query ) ); |
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|
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my $n = $rs->size(); |
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# fetch all results |
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$rs->records(0, $n - 1, 0); |
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|
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warn "found $n results for $query"; |
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|
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foreach my $i ( 1 .. $n ) { |
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my $marc = new_from_usmarc MARC::Record( $rs->record( $i - 1 )->raw() ); |
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|
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return_next({ |
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title => $marc->title, |
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author => $marc->author, |
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edition => $marc->edition, |
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date => $marc->publication_date, |
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}); |
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} |
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|
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return undef; |
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|
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$$; |
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|
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-- if your terminal isn't iso-8859-2, change this! |
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set client_encoding = 'iso-8859-2'; |
| 79 |
|
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