Dmitriy -- my requirements have changed slightly in this particular
instance, I actually now need to order by several columns, so I think
that means I have to use an inner order-by, rather than TOP.
Thankfully the bags are small.
Daniel -- I'm working on extracting out a small test case that
demon
On the subject of TOP -- the reason you would use it instead of an inner
order + limit is that it's much more efficient for large bags.
It is algebraic, so the computation can be well optimized. On top of that,
it does not require a full sort of the bag.
-D
On Thu, Jul 21, 2011 at 9:41 PM, Daniel
The syntax looks legal. Can you do an explain?
Daniel
On Thu, Jul 21, 2011 at 5:15 AM, Andrew Clegg wrote:
> Hi,
>
> I have some code that looks like this:
>
> top_hits = foreach regrouped {
>result = TOP(1, 6, projected_joined_albums); -- field 6 = score
>generate flatten(result);
> };
Hi,
I have some code that looks like this:
top_hits = foreach regrouped {
result = TOP(1, 6, projected_joined_albums); -- field 6 = score
generate flatten(result);
};
I'm not too keen on the TOP syntax because it's opaque and you need
the comment there to explain what's going on.
I've s