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use strict;
use warnings;
use VegGuide::Schema;
use VegGuide::Location;
my $dbh = VegGuide::Schema->Schema()->driver()->handle();
my $country_sql = 'SELECT location_id FROM Location WHERE is_country = 1';
my $count_sql_base = q{SELECT COUNT(*) FROM Vendor WHERE creation_datetime >= '2011-01-01' AND creation_datetime < '2012-01-01' AND location_id IN };
my %count;
for my $location ( map { VegGuide::Location->new( location_id => $_ ) }
@{ $dbh->selectcol_arrayref($country_sql) } ) {
my @ids = map { $_->location_id() } $location->descendants();
next unless @ids;
my $count_sql = $count_sql_base;
$count_sql .= '(';
$count_sql .= join ', ', ('?') x @ids;
$count_sql .= ')';
my $count = $dbh->selectcol_arrayref( $count_sql, undef, @ids );
$count{ $location->name_with_parent() } = $count ? $count->[0] : 0;
}
for my $name ( sort { $count{$b} <=> $count{$a} } keys %count ) {
print "$name - $count{$name}\n";
}
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