I believe currently issuing another query will be necessary to get the count of the expanded result set.
I think it does make sense to include this information as part of the ExpandComponent output. So feel free to create a jira ticket for this and we should be able to get this into a future release. Joel Bernstein http://joelsolr.blogspot.com/ On Tue, Apr 7, 2015 at 3:27 AM, Derek Poh <d...@globalsources.com> wrote: > Hi Joel > > Is the number of documents info available when using collapse and expand > parameters? > > I can't seem to find it in the return xml. > I know the numFound in the the main result set (<result > maxScore="6.470696" name="response" numFound="27" start="0">) refer to the > number of collapse groups. > > I need to issue another query without the collapse and expand parameters > to get the total number of documents? > Or is there any fieldor parameter that indicate the number of documents > that can be return through 'fl' parameter? > > I am trying to display such info on the front-end, > > 571 "led" results from 240 suppliers. > > > > On 4/1/2015 7:05 PM, Joel Bernstein wrote: > >> Exactly correct. >> >> Joel Bernstein >> http://joelsolr.blogspot.com/ >> >> On Wed, Apr 1, 2015 at 5:44 AM, Derek Poh <d...@globalsources.com> wrote: >> >> Hi Joel >>> >>> Correct me if my understanding is wrong. >>> Using supplier id as the field to collapse on. >>> >>> - If thecollapse group heads inthe main result set has only 1document in >>> each group, the expanded section will be empty since there are no >>> documents >>> to expandfor each collapse group. >>> - To render the page, I need to iterate the main result set. For each >>> document I have to check if there is an expanded group with the same >>> supplier id. >>> - The facets counts is based on the number of collapse groupsin the main >>> result set (<result maxScore="6.470696" name="response" numFound="27" >>> start="0">) >>> >>> -Derek >>> >>> >>> On 3/31/2015 7:43 PM, Joel Bernstein wrote: >>> >>> The way that collapse/expand is designed to be used is as follows: >>>> >>>> The main result set will contain the collapsed group heads. >>>> >>>> The expanded section will contain the expanded groups for the page of >>>> results. >>>> >>>> To render the page you iterate the main result set. For each document >>>> check >>>> to see if there is an expanded group. >>>> >>>> >>>> >>>> >>>> Joel Bernstein >>>> http://joelsolr.blogspot.com/ >>>> >>>> On Tue, Mar 31, 2015 at 7:37 AM, Joel Bernstein <joels...@gmail.com> >>>> 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 <d...@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 <d...@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 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >
