use POSIX;
require './config.pm';
-my $dbh = DBI->connect($config::local_connstr, $config::local_username, $config::local_password)
- or die "connect: " . $DBI::errstr;
-$dbh->{AutoCommit} = 0;
-$dbh->{RaiseError} = 1;
-
# Find last completely done season
-my $ref = $dbh->selectrow_hashref('SELECT sesong FROM fotballserier GROUP BY sesong HAVING COUNT(*)=COUNT(avgjort=1 OR NULL) ORDER BY sesong DESC LIMIT 1');
-my $last_season = $ref->{'sesong'};
-
-my $tmpnam = POSIX::tmpnam();
-open DATA, ">", $tmpnam
- or die "$tmpnam: $!";
-
-# Fetch name (ID) list
-my $q = $dbh->prepare('SELECT DISTINCT id FROM fotballdeltagere');
-$q->execute();
-my @ids = ();
-while (my $ref = $q->fetchrow_hashref) {
- my $id = $ref->{'id'};
- push @ids, $id;
-}
-
-print DATA scalar @ids, "\n";
-for my $id (@ids) {
- print DATA $id, "\n";
+sub find_last_season {
+ my ($dbh, $locale) = @_;
+ my $ref = $dbh->selectrow_hashref('SELECT sesong FROM fotballserier se JOIN fotballspraak sp ON se.spraak=sp.id GROUP BY kultur,sesong HAVING COUNT(*)=COUNT(avgjort=1 OR NULL) AND kultur=? ORDER BY kultur,sesong DESC LIMIT 1', undef, $locale);
+ return $ref->{'sesong'};
}
-# Fetch games
-$q = $dbh->prepare('
+sub fetch_games {
+ my ($dbh, $locale, $last_season, $games, $ids) = @_;
+ my $q = $dbh->prepare('
SELECT
deltager1.id as p1, deltager2.id as p2, maalfor, maalmot, least(pow(2.0, (sesong - ? + 3) / 3.0), 1.0) AS vekt
FROM
Fotballresultater resultater
JOIN Fotballdeltagere deltager1 ON resultater.Lagrecno=deltager1.Nr AND resultater.Serie=deltager1.Serie
JOIN Fotballdeltagere deltager2 ON resultater.Motstander=deltager2.Nr AND resultater.Serie=deltager2.Serie
- JOIN Fotballserier serier on resultater.Serie=serier.Nr
-WHERE deltager1.Nr > deltager2.nr
-');
-$q->execute($last_season);
-
-while (my $ref = $q->fetchrow_hashref) {
- next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 0);
- next if ($ref->{'maalfor'} == 0 && $ref->{'maalmot'} == 150);
- next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 150);
- printf DATA "%d %d %d %d %f\n", $ref->{'p1'}, $ref->{'p2'}, $ref->{'maalfor'}, $ref->{'maalmot'}, $ref->{'vekt'};
+ JOIN Fotballserier serier ON resultater.Serie=serier.Nr
+ JOIN Fotballspraak spraak ON serier.Spraak=spraak.Id
+WHERE deltager1.Nr > deltager2.nr AND kultur=?
+ ');
+ $q->execute($last_season, $locale);
+
+ while (my $ref = $q->fetchrow_hashref) {
+ next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 0);
+ next if ($ref->{'maalfor'} == 0 && $ref->{'maalmot'} == 150);
+ next if ($ref->{'maalfor'} == 150 && $ref->{'maalmot'} == 150);
+ next if ($ref->{'maalfor'} == 0 && $ref->{'maalmot'} == 0);
+ push @$games, { %$ref };
+ $ids->{$ref->{'p1'}} = 1;
+ $ids->{$ref->{'p2'}} = 1;
+ }
+}
+
+sub output_to_file {
+ my ($games, $ids) = @_;
+
+ my $tmpnam = POSIX::tmpnam();
+ open DATA, ">", $tmpnam
+ or die "$tmpnam: $!";
+
+ printf DATA "%d\n", scalar keys %$ids;
+ for my $id (keys %$ids) {
+ printf DATA "%d\n", $id;
+ }
+ for my $ref (@$games) {
+ printf DATA "%d %d %d %d %f\n", $ref->{'p1'}, $ref->{'p2'}, $ref->{'maalfor'}, $ref->{'maalmot'}, $ref->{'vekt'};
+ }
+ close DATA;
+
+ return $tmpnam;
+}
+
+sub train_model {
+ my ($filename, $locale, $ratings, $covariances, $aux_params) = @_;
+
+ open RATINGS, "$config::base_dir/bayeswf < $filename |"
+ or die "bayeswf: $!";
+ while (<RATINGS>) {
+ chomp;
+ my @x = split;
+ if ($x[0] eq 'covariance') {
+ push @$covariances, (join("\t", @x[1..3]));
+ } elsif ($x[0] eq 'aux_param') {
+ push @$aux_params, ($locale . "\t" . $x[1] . "\t" . $x[2]);
+ } else {
+ push @$ratings, ($x[2] . "\t" . $x[0] . "\t" . $x[1]);
+ }
+ }
+
+ close RATINGS;
}
-close DATA;
+sub find_all_locales {
+ my $dbh = shift;
+ my $q = $dbh->prepare('SELECT kultur FROM fotballspraak');
+ $q->execute;
-$dbh->do('DELETE FROM ratings');
-my $iq = $dbh->prepare('INSERT INTO ratings ( id, rating ) VALUES (?, ?)');
+ my @locales = ();
+ while (my $ref = $q->fetchrow_hashref) {
+ push @locales, $ref->{'kultur'};
+ }
-open RATINGS, "$config::base_dir/bayeswf < $tmpnam |"
- or die "bayeswf: $!";
-while (<RATINGS>) {
- /(.*) (.*)/ or next;
- $iq->execute($2, $1);
+ return @locales;
}
+my $dbh = DBI->connect($config::local_connstr, $config::local_username, $config::local_password)
+ or die "connect: " . $DBI::errstr;
+$dbh->{AutoCommit} = 0;
+$dbh->{RaiseError} = 1;
+
+$dbh->do('SET client_min_messages TO WARNING');
+
+my @locales = find_all_locales($dbh);
+
+my @ratings = ();
+my @covariances = ();
+my @aux_params = ();
+
+for my $locale (@locales) {
+ my $last_season = find_last_season($dbh, $locale);
+ my @games = ();
+ my %ids = ();
+ fetch_games($dbh, $locale, $last_season, \@games, \%ids);
+ my $tmpnam = output_to_file(\@games, \%ids);
+
+ train_model($tmpnam, $locale, \@ratings, \@covariances, \@aux_params);
+ unlink($tmpnam);
+}
+
+$dbh->do('CREATE TABLE new_covariance ( player1 smallint NOT NULL, player2 smallint NOT NULL, cov float NOT NULL )');
+$dbh->do('COPY new_covariance ( player1, player2, cov ) FROM STDIN');
+$dbh->pg_putcopydata(join("\n", @covariances));
+$dbh->pg_putcopyend();
+$dbh->do('ALTER TABLE new_covariance ADD PRIMARY KEY ( player1, player2 );');
+$dbh->do('DROP TABLE IF EXISTS covariance');
+$dbh->do('ALTER TABLE new_covariance RENAME TO covariance');
+
+$dbh->do('TRUNCATE aux_params');
+$dbh->do('COPY aux_params ( kultur, id, value ) FROM STDIN');
+$dbh->pg_putcopydata(join("\n", @aux_params));
+$dbh->pg_putcopyend();
+
+$dbh->do('TRUNCATE ratings');
+$dbh->do('COPY ratings ( id, rating, rating_stddev ) FROM STDIN');
+$dbh->pg_putcopydata(join("\n", @ratings));
+$dbh->pg_putcopyend();
+
$dbh->commit;
-unlink($tmpnam);
projects / wloh / blobdiff