"Peter Galbavy" <peter.galbavy@knowtion.net> writes:
> I want to then find either the largest (max) or smallest (min) version of an
> image that falls within some range of sizes:
Depends on how you want to define "largest" and "smallest", but if
"area" is a good enough definition, seems like this would work:
select file_md5 from image_instance
where md5 = '546b94e94851a56ee721f3b755f58462' and image_width between 0 and 160 and image_length between 0 and
160
order by image_width * image_length
limit 1;
Probably an index on md5 would be sufficient to make this go fast ---
I assume you're not going to be storing a vast number of sizes of
the same image.
regards, tom lane
