$name ||= $control->{component};
$name ||= $opt->{default};

if (! $name or $name eq 'none') {
# Increment control_index so empty component has no side effect
$::Scratch->{control_index}++;
return;
}

my $t = $opt->{comp_table} || $::Variable->{MV_COMPONENT_TABLE} || 'component';
my $ctab = $::Variable->{MV_COMPONENT_CACHE} || 'component_cache';

my $record;
my $db = database_exists_ref($t);
my $nocache;