Date_historgram facet issue

Elastic Stack Elasticsearch
1

Hi
i have some documents like this

{
date : "2014-01-01",
"periods" : {
{ "start" : 0 , "duration": 55 },
{ "start" : 1 , "duration": 55 },

{ "start" : 2 ,  "duration": 55  },

{ "start" : 3 ,  "duration": 55  },

etc...

}
}

I do a query on a date range with a statistical facet to get the sum of all
duration

{
"query": {
"filtered": {
"query": {
"match_all": {}
},
"filter": {
"range": {
"date": {
"gte": "2014-01-01",
"lte": "2014-01-11"
}
}
}
}
},
"facets": {
"stat1": {
"statistical": {
"field": "duration"
},
"nested": "periods"
}
}
}

this works perfect .
Now i need to get the sum of duration for each day , so i tried by using
the date_historgram , but i have no luck with it ( i guess because my
periods is a nested object )

here is my try

{
"query": {
"filtered": {
"query": {
"match_all": {}
},
"filter": {
"range": {
"date": {
"gte": "2013-01-10",
"lte": "2013-01-11"
}
}
}
}
},
"facets": {
"stat1": {
"statistical": {
"field": "duration"
},
"nested": "periods"
},
"stat2": {
"date_histogram": {
"key_field": "date",
"value_field": "duration",
"interval": "day"
},
"nested": "periods"
}
}
}

Anyone can help me on this ? Thanks

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2

Just for helping someone if needed , this could be done using aggregations
of ES 1.x

like this

{
"size": 0,
"query": {
"filtered": {
"query": {
"match_all": {}
}
}
},
"aggs": {
"nest_global": {
"nested": {
"path": "periods"
},
"aggs": {
"stat2": {
"stats": {
"field": "duration"
}
}
}
},
"par_date": {
"date_histogram": {
"field": "date",
"interval": "day"
},
"aggs": {
"nest_par_date": {
"nested": {
"path": "periods"
},
"aggs": {
"stat2": {
"stats": {
"field": "duration"
}
}
}
}
}
}
}
}

Thanks to Erwan D from Elastic French Group !

Le mardi 4 février 2014 11:06:56 UTC+1, Samuel Merlet a écrit :

Hi
i have some documents like this

{
date : "2014-01-01",
"periods" : {
{ "start" : 0 , "duration": 55 },
{ "start" : 1 , "duration": 55 },

{ "start" : 2 ,  "duration": 55  },

{ "start" : 3 ,  "duration": 55  },

etc...

}
}

I do a query on a date range with a statistical facet to get the sum of
all duration

{
"query": {
"filtered": {
"query": {
"match_all": {}
},
"filter": {
"range": {
"date": {
"gte": "2014-01-01",
"lte": "2014-01-11"
}
}
}
}
},
"facets": {
"stat1": {
"statistical": {
"field": "duration"
},
"nested": "periods"
}
}
}

this works perfect .
Now i need to get the sum of duration for each day , so i tried by using
the date_historgram , but i have no luck with it ( i guess because my
periods is a nested object )

here is my try

{
"query": {
"filtered": {
"query": {
"match_all": {}
},
"filter": {
"range": {
"date": {
"gte": "2013-01-10",
"lte": "2013-01-11"
}
}
}
}
},
"facets": {
"stat1": {
"statistical": {
"field": "duration"
},
"nested": "periods"
},
"stat2": {
"date_histogram": {
"key_field": "date",
"value_field": "duration",
"interval": "day"
},
"nested": "periods"
}
}
}

Anyone can help me on this ? Thanks

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