use warnings;
no warnings qw(once);
use POSIX;
-require './config.pm';
+use lib qw( include );
+require 'config.pm';
+require 'common.pm';
# Find last completely done season
sub find_last_season {
}
sub output_to_file {
- my ($games, $ids) = @_;
+ my ($locale, $games, $ids) = @_;
my $tmpnam = POSIX::tmpnam();
open DATA, ">", $tmpnam
or die "$tmpnam: $!";
+ printf DATA "%s\n", $locale;
printf DATA "%d\n", scalar keys %$ids;
for my $id (keys %$ids) {
printf DATA "%d\n", $id;
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;
-}
-
-sub find_all_locales {
- my $dbh = shift;
- my $q = $dbh->prepare('SELECT kultur FROM fotballspraak WHERE nyestesesong<>-1');
- $q->execute;
-
- my @locales = ();
- while (my $ref = $q->fetchrow_hashref) {
- push @locales, $ref->{'kultur'};
- }
-
- 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');
+$dbh->{AutoCommit} = 1;
-my @locales = find_all_locales($dbh);
-
-my @ratings = ();
-my @covariances = ();
-my @aux_params = ();
+my @locales = wloh_common::find_all_locales($dbh);
+my @filenames = ();
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);
+ my $tmpnam = output_to_file($locale, \@games, \%ids);
+ push @filenames, $tmpnam;
}
-$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();
+$dbh->disconnect;
-$dbh->commit;
+system("$config::base_dir/bayeswf", @filenames);