Oh, I found out! I was supposed to use length(). Thanks a lot, you pointed
me in the right direction! :)
On Saturday, April 12, 2014 4:15:59 PM UTC+2, CC wrote:
>
> Thank you very much for your reply. I tried using script fields, like
> this:
>
> "query":{
> "match_all": {}
> },
> "script_fields":{
> "test1":{
> "script": "_source.title.length"}
> }
> }
>
> but my issue now is that I get "PropertyAccessException: Could not access
> length". My title field is of type string and I was expecting ElasticSearch
> to know about it. I am also using CURL for queries, is there any way to
> overcome this error?
>
> Thank you,
> Cristina
>
> On Saturday, April 12, 2014 2:50:04 PM UTC+2, vineeth mohan wrote:
>>
>> Hello Cristina ,
>>
>> This is not possible using stat facet. It expect the field to be a number
>> and it calculates max/min etc based on its different values.
>>
>> A way to do this would be to add a new field while indexing which would
>> be the length of the title.
>> Then performing stats over it might work.
>>
>> There might be other solutions based on scripting , but i need to explore
>> ...
>>
>> Thanks
>> Vineeth
>>
>>
>> On Sat, Apr 12, 2014 at 3:25 PM, Cristina Garbacea <[email protected]
>> > wrote:
>>
>>> I would like to retrieve statistical data about a string field like the
>>> min, max and average length (by counting the number of characters inside
>>> the string). I am using CURL to do this and I have what I have tried so far
>>>
>>> "query":{
>>> "match_all": {}
>>> },
>>> "facets":{
>>> "stats":{
>>> "statistical":{
>>> "field":"title"}
>>> }
>>> }
>>>
>>> returns me exception because the facet expects a number field. How can I
>>> achieve my goal? Thanks!
>>>
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>>
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