Unified Catalog Entity Field Value Count¶
POST /api/v1/unified_catalog/entity/field_value/count
Overview¶
Counts the number of entities for each value of the specified fields within the current query scope, and returns the total number of matching entities.
Body Request Parameters¶
| Parameter | Type | Required | Description |
|---|---|---|---|
| fieldList | array | Y | List of fields to count, up to 64 items; supports entity base fields and attributes fields Allow empty: False $minLength: 1 Max length: 64 Example: ['entityType', 'provider', 'attributes.env'] |
| urn | string | Exact filter by entity URN Allow empty: False |
|
| entityType | string | Entity type code Allow empty: False |
|
| provider | string | Single source type Allow empty: False |
|
| providers | array | List of source types Allow empty: False |
|
| search | string | Search keyword, matches urn / name / display_name Allow empty: False |
|
| fieldValue | string | Filter only candidate buckets; can be used together with search — search filters the full entity set first, then fieldValue filters candidate values Allow empty: False |
|
| filters | json | Attributes field filter Allow empty: False |
Additional Parameter Notes¶
Request Parameter Description
| Parameter | Type | Required | Description |
|---|---|---|---|
| fieldList | array[string] | Yes | List of fields to count, up to 64 items |
| urn | string | No | Exact filter by entity URN |
| entityType | string | No | Entity type filter |
| provider | string | No | Single source type |
| providers | array[string] | No | List of multiple source types |
| search | string | No | Fuzzy search condition |
| fieldValue | string | No | Filter only candidate buckets; can be used together with search — the two act on the full entity set and candidate values respectively |
| filters | json | No | attributes field filter |
fieldList Field Description
- Supports entity base fields, e.g.,
entityType,provider,urn,name,displayName. - Supports
attributesfields, e.g.,env,project,attributes.env,attributes.project. envis equivalent toattributes.env.
Calling Notes
totalCountin the response indicates the total number of entities matching the current filter conditions, unaffected byfieldList.- Array-type attributes are split into separate values for counting.
- When
fieldListorfiltersinvolves health fields,entityTypemust be provided; when the type is disabled, it is counted asunknown/nulleffective disabled state, without reading historical health values.
Request Example¶
curl 'https://openapi.guance.com/api/v1/unified_catalog/entity/field_value/count' \
-H 'DF-API-KEY: <DF-API-KEY>' \
-H 'Content-Type: application/json;charset=UTF-8' \
--data-raw '{"fieldList":["entityType","provider","attributes.env"],"providers":["discovery"]}'
Response¶
{
"code": 200,
"content": {
"totalCount": 1562,
"items": [
{
"field": "entityType",
"values": [
{
"value": "cloud_resource",
"count": 1435
},
{
"value": "service",
"count": 52
}
]
},
{
"field": "env",
"values": [
{
"value": "prod",
"count": 20
}
]
}
]
},
"errorCode": "",
"message": "",
"success": true,
"traceId": "TRACE-XXXX"
}