You can probably do something like fq=latestEventDate:[$startDate TO $endDate] 
OR (!latestEventDate:[* TO *] AND dateCreated:[$startDate TO 

But it is probably better to merge those two dates at index time to some 
searchDate field and use that one for searching. You can do it either in your 
indexing code or use UpdateRequestProcessor(s) to achieve that.

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> On 16 Apr 2018, at 11:02, jcondotta <jefferson.condo...@gmail.com> wrote:
> Hi Folks, I've started on Solr World short time ago, I've been working on
> some filter query changes, the most of question that I've had i could
> understand, reading this forum, thanks a lot.
> I've a situation, on my schema there are 2 fields that I've to check:
> latestEventDate and dateCreated.
> By default when the user opens my search page, it should bring all documents
> with range between 1 ago and now.
> latestEventDate:([NOW-1YEAR TO NOW])
> but I should also retrieve documents that don't have any value on
> latestEventDate, I mean with null value.
> next I've to check when the user clicks on search, it should retrieve all
> documents with the date range selected, but for documents which don't have
> value on latestEventDate my query should filter on dateCreated.
> Ex:
> if(latestEventDate != null){
> // Search on latestEventDate
> }else{
>  // Search on dateCreated
> }
> Hopefully I could be clear on my explanation, any help is gonna be welcome.
> I hope as soon as possible be able to help other guys here.
> Thanks a lot.
> --
> Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html

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