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From Chaoqing Li <lichaoq...@gmail.com>
Subject Re: sort question
Date Tue, 22 May 2012 02:04:47 GMT
Sorry for the confusion.

It's the first one you mentioned below.
We have a sort on discount field, and if the keyword match the name field,
we need it's important than sorting.
if don't sort, how can we implement this request? I'm stuck here.

and the discount has been convert to number already, thanks for your
information.

Thanks,
CQ

2012/5/21 Ian Lea <ian.lea@gmail.com>

> I'm not clear what you are asking.
>
> Are you saying that you want keyword matching to be more important
> than sorting? If that's the case, don't sort.
>
> Or are you saying that sorting of null values isn't doing what you
> want?  Use an actual value instead of null, whatever makes sense in
> your application.
>
> On a general note, if you are really trying to sort on string values
> like "10%", "20%" you need to be careful - this is just a string sort
> and "5%" will sort after "49%".  I'd lose the percent sign and pad the
> values to a consistent length or, better, upgrade to the latest
> release and use a NumericField.
>
>
> --
> Ian.
>
>
> On Mon, May 21, 2012 at 11:17 AM, Chaoqing Li <lichaoqing@gmail.com>
> wrote:
> > Hi,
> >
> > I'm using Lucene2.1 to search product information, such as product name,
> > description, etc.
> > There is a sort on discount field, the product with discount price should
> > be at the top of the result page.
> >
> > example documents:
> > product1(name: aaa, description: ddd bbb, discount:null)
> > product2(name: bbb, description: ddd bbb, discount:10%)
> > product3(name: ccc, description: ddd bbb, discount:20%)
> >
> > We have a sort field on discount, so the order of search result by
> keyword
> > "ddd" is product3 product2 product1.
> >
> > but we want the products which name include the keyword should be the top
> > of the result even though they has no discount.
> > so if search by "bbb",
> > because the name of product2 include "bbb", the order should be product2
> > product3 product1.
> > Any idea to implement it?
> >
> > Thanks,
>
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