Sushant Sinha <sushant354@gmail.com> writes:
> Headline generation uses hlCover to get fragments in text with *all*
> query items. In case there is no such fragment, it does not return
> anything.
> What you are asking will either require returning *maximally* matching
> covers or handling it as a separate case.
Efficiently being useless is still useless --- a headline selection
function needs to be robust, not fragile, and not doing anything useful
for a partial match sounds pretty fragile to me.
regards, tom lane