/[pg-zoom]/zoom.sql
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Revision 5 - (hide annotations)
Thu Apr 26 20:43:00 2007 UTC (17 years ago) by dpavlin
File size: 3093 byte(s)
added some sample servers
1 dpavlin 1 create table servers (
2     name text not null,
3     host text not null,
4     port int not null default 210,
5     database text default 'Default',
6     primary key(name)
7     );
8    
9     -- insert sample
10 dpavlin 5 insert into servers values ( 'nsk', '161.53.240.27', 8090, 'voyager' );
11     insert into servers values ( 'nsk-en', '161.53.240.27', 8190, 'voyager' );
12     insert into servers values ( 'loc', 'z3950.loc.gov', 7090, 'Voyager' );
13     insert into servers values ( 'ucs', 'library.usc.edu', 2200, 'unicorn' );
14     insert into servers values ( 'tera', 'z3950.inquirion.com', 210, 'Marc' );
15     insert into servers values ( 'cosmo', 'rlw.savba.sk', 8888, 'test_un_cat' );
16     insert into servers values ( 'copac', 'z3950.copac.ac.uk', 2020, 'xxdefault' );
17     --insert into servers values ( 'wcat', 'tikal.dev.oclc.org', 210, 'WorldCat' );
18     --insert into servers values ( '', '', , '' );
19 dpavlin 1
20     create type item as (
21     title text,
22     author text,
23     edition text,
24     date text
25     );
26    
27 dpavlin 4 create or replace function search(text,text)
28 dpavlin 1 returns setof item
29     language plperlu
30     as $$
31    
32 dpavlin 4 my $debug = 0;
33 dpavlin 1
34 dpavlin 4 my ( $server, $query ) = @_;
35 dpavlin 1
36 dpavlin 4 my $rv = spi_exec_query(qq{
37     select host,port,database from servers where name ilike '$server'
38     },1);
39    
40     die "can't find database $database\n" unless ( $rv->{processed} == 1 );
41    
42     my ( $host, $port, $database ) = (
43     $rv->{rows}[0]->{host},
44     $rv->{rows}[0]->{port},
45     $rv->{rows}[0]->{database},
46     );
47    
48 dpavlin 1 use ZOOM;
49     use MARC::Record;
50 dpavlin 2 use Encode qw/encode decode/;
51 dpavlin 1
52     my $pqf = {
53     isbn => '@attr 1=7 @attr 4=1 "%s"',
54     title => '@attr 1=4 @attr 4=1 "%s"',
55     author => '@attr 1=1003 @attr 4=1 "%s"',
56     issn => '@attr 1=8 @attr 4=1 "%s"',
57     };
58    
59     sub q2cqf {
60     my $q = shift;
61     if ($q =~ m/^(\w+):\s*(.*)$/) {
62     my ( $k,$v ) = ( $1,$2 );
63     return sprintf( $pqf->{ $k }, $v ) if ( defined( $pqf->{ $k } ) );
64     }
65     return $q;
66     }
67    
68     my $conn = new ZOOM::Connection($host, $port,
69     databaseName => $database) or
70     die "can't connect to ${host}:${port}/${database}\n";
71    
72     $conn->option(preferredRecordSyntax => "usmarc");
73    
74 dpavlin 2 my $cqf = q2cqf( $query );
75 dpavlin 1
76 dpavlin 2 my $rs = $conn->search_pqf( $cqf );
77    
78 dpavlin 1 my $n = $rs->size();
79     # fetch all results
80     $rs->records(0, $n - 1, 0);
81    
82 dpavlin 2 warn "$n results for '$query' [$cqf]\n";
83 dpavlin 1
84 dpavlin 2 sub strip_non_digit {
85     my $d = shift;
86     $d =~ s/^\D+//;
87     $d =~ s/\D+$//;
88     return $d;
89     }
90    
91     # fix encoding
92     sub e {
93     my $t = shift;
94     $t =~ s/éc/è/g;
95     $t =~ s/âc/æ/g;
96 dpavlin 3 $t =~ s/éz/¾/g;
97 dpavlin 2 $t =~ s/és/¹/g;
98 dpavlin 3 $t =~ s/³/ð/g;
99 dpavlin 2 $t =~ s/éC/È/g;
100     $t =~ s/âC/Æ/g;
101 dpavlin 3 $t =~ s/éZ/®/g;
102 dpavlin 2 $t =~ s/éS/©/g;
103     $t =~ s/£/Ð/g;
104 dpavlin 4 warn "## $t\n" if $debug;
105 dpavlin 2 # $t = decode('iso-8859-2', $t);
106     # return encode('utf-8',$t);
107     return $t;
108     }
109    
110 dpavlin 1 foreach my $i ( 1 .. $n ) {
111     my $marc = new_from_usmarc MARC::Record( $rs->record( $i - 1 )->raw() );
112    
113     return_next({
114 dpavlin 2 title => e( $marc->title ),
115     author => e( $marc->author ),
116     edition => e( $marc->edition ),
117     date => strip_non_digit( $marc->publication_date ),
118 dpavlin 1 });
119     }
120    
121     return undef;
122    
123     $$;
124    
125     -- if your terminal isn't iso-8859-2, change this!
126 dpavlin 2 -- set client_encoding = 'iso-8859-2';
127 dpavlin 1
128 dpavlin 2 -- example
129     -- select * from search('title:djece');
130     -- select * from search('osman');
131    
132 dpavlin 4 select * from search('NSK','title:mor');
133     select * from search('NSK','grada');
134     select * from search('nsk-en','restrictions');

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