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From Derek Poh <d...@globalsources.com>
Subject Re: Collapse and Expand behaviour on result with 1 document.
Date Wed, 01 Apr 2015 05:41:10 GMT
There is only 1 document in the main result set.The expanded section is 
empty.


On 3/31/2015 7:37 PM, Joel Bernstein wrote:
> You should be able to use collapse/expand with one result.
>
> Does the document in the main result set have group members that aren't
> being expanded?
>
>
>
> Joel Bernstein
> http://joelsolr.blogspot.com/
>
> On Tue, Mar 31, 2015 at 2:00 AM, Derek Poh <dpoh@globalsources.com> wrote:
>
>> If I want to group the results (by a certain field) even if there is only
>> 1 document, I should use the group parameter instead?
>> The requirement is to group the result of product documents by their
>> supplier id.
>> "&group=true&group.field=P_SupplierId&group.limit=5"
>>
>> Is it true that the performance of collapse is better than group parameter
>> on large data set, say 10-20 million documents?
>>
>> -Derek
>>
>>
>> On 3/31/2015 10:03 AM, Joel Bernstein wrote:
>>
>>> The expanded section will only include groups that have expanded
>>> documents.
>>>
>>> So, if the document that in the main result set has no documents to
>>> expand,
>>> then this is working as expected.
>>>
>>>
>>>
>>> Joel Bernstein
>>> http://joelsolr.blogspot.com/
>>>
>>> On Mon, Mar 30, 2015 at 8:43 PM, Derek Poh <dpoh@globalsources.com>
>>> wrote:
>>>
>>>   Hi
>>>> I have a query which return 1 document.
>>>> When I add the collapse and expand parameters to it,
>>>> "&expand=true&expand.rows=5&fq={!collapse%20field=P_SupplierId}",
the
>>>> expanded section is empty (<lst name="expanded"/>).
>>>>
>>>> Is this the behaviour of collapse and expand parameters on result which
>>>> contain only 1 document?
>>>>
>>>> -Derek
>>>>
>>>>
>>>>
>>>>


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