{exp:query limit="10" sql="SELECT vehicles.make, vehicles.model FROM vehicles WHERE vehicles.make = '{segment_3}' {if '{segment_4}'}AND vehicles.model = '{segment_4}'{/if}"}
{make} - {model}<br>
{/exp:query}This is just a very basic example but {if} statements are just not working for me in {exp:query} tags. Is this even possible?
Thanks for any help.