count(*) ...' queries. The reason for this is that
my $nrBuilds = scalar($c->stash->{allBuilds}->search({finished => 1}));
doesn't return an integer, but some magical code reference that when
evaluated performs the query and returns an integer. So every use
of $nrBuilds in all.tt caused another query. OTOH using ...->count
causes only one query.
However count(*) still involves a full table scan, so it's still
suboptimal.