Group by field and then sum the groups

Elastic Stack Elasticsearch
1

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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2

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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For more options, visit https://groups.google.com/d/optout.

3

Hi,

I think second "aggs" use "sum" instead of "terms", in "likes_sum".

2014-08-06 14:32 GMT+09:00 Tihomir Lichev shoteff@gmail.com:

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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.

For more options, visit https://groups.google.com/d/optout.

--

Jun Ohtani
blog : http://blog.johtani.info

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4

Thanks! You're absolutely right. Copy/paste error :slight_smile:

{
"aggs": {
"user_likes": {
"terms": {
"field": "user_id"
},
"aggs": {
"likes_sum": {
"sum": {
"field": "likes"
}
}
}
}
}
}

06 август 2014, сряда, 10:06:38 UTC+3, Jun Ohtani написа:

Hi,

I think second "aggs" use "sum" instead of "terms", in "likes_sum".

2014-08-06 14:32 GMT+09:00 Tihomir Lichev <sho...@gmail.com <javascript:>>
:

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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https://groups.google.com/d/msgid/elasticsearch/7bec5f9a-16cf-4723-87a6-7e95de45d0ea%40googlegroups.com?utm_medium=email&utm_source=footer
.

For more options, visit https://groups.google.com/d/optout.

--

Jun Ohtani
blog : http://blog.johtani.info

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5

This worked perfectly! Thank you for your help.

On Wednesday, August 6, 2014 3:49:57 AM UTC-4, Tihomir Lichev wrote:

Thanks! You're absolutely right. Copy/paste error :slight_smile:

{
"aggs": {
"user_likes": {
"terms": {
"field": "user_id"
},
"aggs": {
"likes_sum": {
"sum": {
"field": "likes"
}
}
}
}
}
}

06 август 2014, сряда, 10:06:38 UTC+3, Jun Ohtani написа:

Hi,

I think second "aggs" use "sum" instead of "terms", in "likes_sum".

2014-08-06 14:32 GMT+09:00 Tihomir Lichev sho...@gmail.com:

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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You received this message because you are subscribed to the Google
Groups "elasticsearch" group.
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https://groups.google.com/d/msgid/elasticsearch/7bec5f9a-16cf-4723-87a6-7e95de45d0ea%40googlegroups.com
https://groups.google.com/d/msgid/elasticsearch/7bec5f9a-16cf-4723-87a6-7e95de45d0ea%40googlegroups.com?utm_medium=email&utm_source=footer
.

For more options, visit https://groups.google.com/d/optout.

--

Jun Ohtani
blog : http://blog.johtani.info

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