You can use aggregations:
{
"aggs": {
"user_likes": {
"terms": {
"field": "user_id"
},
"aggs": {
"likes_sum": {
"terms": {
"field": "likes"
}
}
}
}
}
}
05 август 2014, вторник, 23:11:59 UTC+3, Cameron Barker написа:
>
> Hi all,
>
> I have an elastic database of posts, each post has a *user_id* and has
> *likes* field. My goal is to output for a query how many likes in total
> each user has.
>
> I wondered if any one had any advice/direction I could take to achieve
> this?
>
> input:
> {user_id: 10, likes: 20}
> {user_id: 9, likes: 10}
> {user_id: 10, likes: 25}
> {user_id: 9, likes: 15}
>
> output:
> User: 10 likes: 45
> User: 9 likes: 25
>
>
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