The field is a DateTime.
So I tried what you suggested and no luck. I noticed that when I
remove the first_doc and num_doc options it appears to work correctly
(getting all of the docs in the right order).
On Jul 12, 2006, at 7:13 PM, David Balmain wrote:
> On 7/13/06, Floyd Morgan <[EMAIL PROTECTED]> wrote:
>> Here is the index snippet:
>>
>> doc = Ferret::Document::Document.new
>> # insert the id
>> doc << Ferret::Document::Field.new( "id", post.id,
>> Ferret::Document::Field::Store::YES,
>> Ferret::Document::Field::Index::UNTOKENIZED )
>> # insert the date
>> doc << Ferret::Document::Field.new( "created_at", post.created_at,
>> Ferret::Document::Field::Store::NO,
>> Ferret::Document::Field::Index::UNTOKENIZED )
>> # add some other stuff ...
>> # write to the index
>> index << doc
>>
>> Here is the query snippet:
>>
>> sort_fields = []
>> sort_fields << Ferret::Search::SortField.new
>> ( "created_at", :sort_type =>
>> Ferret::Search::SortField::SortType::INTEGER, :reverse =>
>> true )
>> # search the index
>> top_docs = index.search( query, { :first_doc =>
>> first_doc , :num_docs => 5, :sort => sort_fields } )
>
>
> I'm not exactly sure what post.created_at but if it's a Time object
> then you need to convert it to a string that will sort correctly as a
> string. ie use strftime("%Y%m%d") (use whatever precision you need.
> Here is an example which adds 100 documents with 100 random dates in
> the last 100 days;
>
> require 'rubygems'
> require 'ferret'
> include Ferret::Index
> include Ferret::Search
>
> index = Index.new
> t = Time.now
>
> 100.times do
> index << {:id => "x",
> :date => (t-24*60*60*rand(100)).strftime("%Y%m%d")}
> end
>
> sort_fields = [SortField.new(:date,
> :sort_type =>
> SortField::SortType::INTEGER,
> :reverse => true)]
>
> 10.times do |start|
> index.search_each("x",
> :first_doc => start*10,
> :num_docs => 10,
> :sort => sort_fields) do |doc_id, score|
> puts index[doc_id][:date]
> end
> end
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>
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