Hello Magigo ,
Use the fields feature.
You can tell which all fields you are interested in and it will return only
those fields -
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-fields.html
Thanks
Vineeth
On Sat, Jul 5, 2014 at 3:05 PM, 纪路 <[email protected]> wrote:
> Dear all:
>
> I have a reasonable need, but I can't find how to deal with it on es
> official docs and books, is anyone know, please teach it to me! thank you!
>
> I have a large set of docs, which hold a lot of fields, such as a user
> info page. If I want analysis the gender distribution of all of users
> whose live in "city"="1000"(1000 is a city code), I don't need other field
> except "city" and "gender", How can I exclude these meaningless field
> before they are returned when I search or scan. Because there are a lots of
> doc, If transmit the entire doc will wast many time and bandwidth, and I
> have to trim the additional information in myself program. so, is there a
> method can deal with problem for me? thank you.
>
> by magigo
>
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