[英]Elasticsearch date_histogram not show full range aggregation
This is my query.这是我的查询。 I'm using date_histogram with range from Jun - Dec 2021.我使用的 date_histogram 范围为 2021 年 6 月至 2021 年 12 月。
{
"from": 0,
"size": 0,
"query": {
"bool": {
"must": [
{
"term": {
"medicalRecordDiagnosesDischarge.catDiseaseGroupDetail.catDiseasesGroup.diseasesGroupId": {
"value": 13,
"boost": 1
}
}
},
{
"range": {
"examinationDate": {
"from": "2021-01-01T00:00:00.000Z",
"to": "2022-01-01T00:00:00.000Z",
"include_lower": true,
"include_upper": false,
"boost": 1
}
}
}
]
}
},
"aggregations": {
"agg_name": {
"date_histogram": {
"field": "examinationDate",
"format": "MM",
"calendar_interval": "1M",
"offset": 0,
"order": {
"_key": "asc"
},
"keyed": false,
"min_doc_count": 0
}
}
}
}
And results:结果:
"buckets" : [
{
"key_as_string" : "01",
"key" : 1609459200000,
"doc_count" : 66
},
{
"key_as_string" : "02",
"key" : 1612137600000,
"doc_count" : 18
},
{
"key_as_string" : "03",
"key" : 1614556800000,
"doc_count" : 114
},
{
"key_as_string" : "04",
"key" : 1617235200000,
"doc_count" : 15
},
{
"key_as_string" : "05",
"key" : 1619827200000,
"doc_count" : 22
},
{
"key_as_string" : "06",
"key" : 1622505600000,
"doc_count" : 1
},
{
"key_as_string" : "07",
"key" : 1625097600000,
"doc_count" : 2
},
{
"key_as_string" : "08",
"key" : 1627776000000,
"doc_count" : 3
}
]
as you can see that result only show data from 01 -> 08 month.如您所见,结果仅显示 01 -> 08 月的数据。 Missing 09,10,11,12 month data缺失09、10、11、12月数据
The result of query that I want is:我想要的查询结果是:
{
"key_as_string" : "01"
},
{
"key_as_string" : "02"
},
{
"key_as_string" : "03"
},
{
"key_as_string" : "04"
},
{
"key_as_string" : "05"
},
{
"key_as_string" : "06"
},
{
"key_as_string" : "07"
},
{
"key_as_string" : "08"
},
{
"key_as_string" : "09"
},
{
"key_as_string" : "10"
},
{
"key_as_string" : "11"
},
{
"key_as_string" : "12"
}
How can I get result above?我怎样才能得到上面的结果? I was try extended_bounds but it has been douple result which wrong.我尝试了 extended_bounds 但它是错误的双重结果。 (same with calendar_interval is quarter) (与 calendar_interval 相同的是季度)
Have you tried using the size
parameter within the aggregation?您是否尝试过在聚合中使用size
参数?
{
"aggregations": {
"agg_name": {
"date_histogram": {
"field": "examinationDate",
...
"size": 12
}
}
}
}
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