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Fixed in-code indent in Example.pod
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@shadowcat-mst
shadowcat-mst committed Mar 24, 2006
1 parent 90efcf9 commit 49e87fb
Showing 1 changed file with 116 additions and 115 deletions.
231 changes: 116 additions & 115 deletions lib/DBIx/Class/Manual/Example.pod
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Expand Up @@ -40,19 +40,21 @@ shouldn't have to install extra software.
Save the following into a example.sql

CREATE TABLE artist (
artistid INTEGER PRIMARY KEY,
name TEXT NOT NULL
artistid INTEGER PRIMARY KEY,
name TEXT NOT NULL
);

CREATE TABLE cd (
cdid INTEGER PRIMARY KEY,
artist INTEGER NOT NULL REFERENCES artist(artistid),
title TEXT NOT NULL);
cdid INTEGER PRIMARY KEY,
artist INTEGER NOT NULL REFERENCES artist(artistid),
title TEXT NOT NULL
);

CREATE TABLE track (
trackid INTEGER PRIMARY KEY,
cd INTEGER NOT NULL REFERENCES cd(cdid),
title TEXT NOT NULL) ;
trackid INTEGER PRIMARY KEY,
cd INTEGER NOT NULL REFERENCES cd(cdid),
title TEXT NOT NULL
);

and create the sqlite database file:

Expand Down Expand Up @@ -133,51 +135,51 @@ insertdb.pl

my @artists = (['Michael Jackson'], ['Eminem']);
$schema->populate('Artist', [
[qw/name/],
@artists,
[qw/name/],
@artists,
]);

my %albums = (
'Thriller' => 'Michael Jackson',
'Bad' => 'Michael Jackson',
'The Marshall Mathers LP' => 'Eminem',
);
'Thriller' => 'Michael Jackson',
'Bad' => 'Michael Jackson',
'The Marshall Mathers LP' => 'Eminem',
);

my @cds;
foreach my $lp (keys %albums) {
my $artist = $schema->resultset('Artist')->search({
name => $albums{$lp}
});
push @cds, [$lp, $artist->first];
my $artist = $schema->resultset('Artist')->search({
name => $albums{$lp}
});
push @cds, [$lp, $artist->first];
}

$schema->populate('Cd', [
[qw/title artist/],
@cds,
[qw/title artist/],
@cds,
]);


my %tracks = (
'Beat It' => 'Thriller',
'Billie Jean' => 'Thriller',
'Dirty Diana' => 'Bad',
'Smooth Criminal' => 'Bad',
'Leave Me Alone' => 'Bad',
'Stan' => 'The Marshall Mathers LP',
'The Way I Am' => 'The Marshall Mathers LP',
'Beat It' => 'Thriller',
'Billie Jean' => 'Thriller',
'Dirty Diana' => 'Bad',
'Smooth Criminal' => 'Bad',
'Leave Me Alone' => 'Bad',
'Stan' => 'The Marshall Mathers LP',
'The Way I Am' => 'The Marshall Mathers LP',
);

my @tracks;
foreach my $track (keys %tracks) {
my $cdname = $schema->resultset('Cd')->search({
title => $tracks{$track},
});
push @tracks, [$cdname->first, $track];
my $cdname = $schema->resultset('Cd')->search({
title => $tracks{$track},
});
push @tracks, [$cdname->first, $track];
}

$schema->populate('Track',[
[qw/cd title/],
@tracks,
[qw/cd title/],
@tracks,
]);

=head3 Create and run the scripts
Expand All @@ -202,109 +204,108 @@ testdb.pl:


sub get_tracks_by_cd {
my $cdtitle = shift;
print "get_tracks_by_cd($cdtitle):\n";
my $rs = $schema->resultset('Track')->search(
{
'cd.title' => $cdtitle
},
{
join => [qw/ cd /],
prefetch => [qw/ cd /]
}
);
while (my $track = $rs->next) {
print $track->title . "\n";
my $cdtitle = shift;
print "get_tracks_by_cd($cdtitle):\n";
my $rs = $schema->resultset('Track')->search(
{
'cd.title' => $cdtitle
},
{
join => [qw/ cd /],
prefetch => [qw/ cd /]
}
print "\n";
);
while (my $track = $rs->next) {
print $track->title . "\n";
}
print "\n";
}

sub get_tracks_by_artist {
my $artistname = shift;
print "get_tracks_by_artist($artistname):\n";
my $rs = $schema->resultset('Track')->search(
{
'artist.name' => $artistname
},
{
join => {
'cd' => 'artist'
},
}
);
while (my $track = $rs->next) {
print $track->title . "\n";
my $artistname = shift;
print "get_tracks_by_artist($artistname):\n";
my $rs = $schema->resultset('Track')->search(
{
'artist.name' => $artistname
},
{
join => {
'cd' => 'artist'
},
}
print "\n";
);
while (my $track = $rs->next) {
print $track->title . "\n";
}
print "\n";
}



sub get_cd_by_track {
my $tracktitle = shift;
print "get_cd_by_track($tracktitle):\n";
my $rs = $schema->resultset('Cd')->search(
{
'tracks.title' => $tracktitle
},
{
join => [qw/ tracks /],
}
);
my $cd = $rs->first;
print $cd->title . "\n\n";
my $tracktitle = shift;
print "get_cd_by_track($tracktitle):\n";
my $rs = $schema->resultset('Cd')->search(
{
'tracks.title' => $tracktitle
},
{
join => [qw/ tracks /],
}
);
my $cd = $rs->first;
print $cd->title . "\n\n";
}

sub get_cds_by_artist {
my $artistname = shift;
print "get_cds_by_artist($artistname):\n";
my $rs = $schema->resultset('Cd')->search(
{
'artist.name' => $artistname
},
{
join => [qw/ artist /],
prefetch => [qw/ artist /]
}
);
while (my $cd = $rs->next) {
print $cd->title . "\n";
my $artistname = shift;
print "get_cds_by_artist($artistname):\n";
my $rs = $schema->resultset('Cd')->search(
{
'artist.name' => $artistname
},
{
join => [qw/ artist /],
prefetch => [qw/ artist /]
}
print "\n";
);
while (my $cd = $rs->next) {
print $cd->title . "\n";
}
print "\n";
}



sub get_artist_by_track {
my $tracktitle = shift;
print "get_artist_by_track($tracktitle):\n";
my $rs = $schema->resultset('Artist')->search(
{
'tracks.title' => $tracktitle
},
{
join => {
'cds' => 'tracks'
}
}
);
my $artist = $rs->first;
print $artist->name . "\n\n";
my $tracktitle = shift;
print "get_artist_by_track($tracktitle):\n";
my $rs = $schema->resultset('Artist')->search(
{
'tracks.title' => $tracktitle
},
{
join => {
'cds' => 'tracks'
}
}
);
my $artist = $rs->first;
print $artist->name . "\n\n";
}

sub get_artist_by_cd {
my $cdtitle = shift;
print "get_artist_by_cd($cdtitle):\n";
my $rs = $schema->resultset('Artist')->search(
{
'cds.title' => $cdtitle
},
{
join => [qw/ cds /],
}
);
my $artist = $rs->first;
print $artist->name . "\n\n";
my $cdtitle = shift;
print "get_artist_by_cd($cdtitle):\n";
my $rs = $schema->resultset('Artist')->search(
{
'cds.title' => $cdtitle
},
{
join => [qw/ cds /],
}
);
my $artist = $rs->first;
print $artist->name . "\n\n";
}


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