RESTful

Query

This operation conducts a filtering on the scalar field with a specified boolean expression.

POST

/v2/vectordb/entities/query

Cluster Endpoint

The base URL for this API is in the following format:

http://localhost:19530

export CLUSTER_ENDPOINT="http://localhost:19530"

Parameters

Authorizationstringheader

The authentication token should be a pair of colon-joined username and password, like username:password.

Example Value: Bearer {{TOKEN}}

Request Bodyapplication/json

dbNamestring

The name of the database.

collectionNamestringrequired

The name of the collection to which this operation applies.

filterstringrequired

The filter used to find matches for the search.

outputFieldsarray

An array of fields to return along with the query results.

[]outputFieldsstring

An output field name.

partitionNamesarray

The name of the partitions to which this operation applies. Setting this parameter restricts the operation to the specified partitions. If not set, the operation applies to all partitions in the collection.

[]partitionNamesstring

A partition name.

export TOKEN="root:Milvus"

curl --request POST \
--url "${CLUSTER_ENDPOINT}/v2/vectordb/entities/query" \
--header "Authorization: Bearer ${TOKEN}" \
--header "Content-Type: application/json" \
-d '{
    "collectionName": "quick_setup",
    "filter": "color like \"red_%\"",
    "outputFields": [
        "color"
    ],
    "limit": 3
}'

Responses200 - application/json

SUCCESS

codeinteger

Response code.

dataarray

A list of dictionaries with each dictionary representing a queried entity.

[]dataobject

An entity object

FAILURE

Returns an error message.

codeinteger

Response code.

messagestring

Error message.

SUCCESS

{
    "code": 0,
    "cost": 0,
    "data": [
        {
            "color": "red_7025",
            "id": 1
        },
        {
            "color": "red_4794",
            "id": 4
        },
        {
            "color": "red_9392",
            "id": 6
        }
    ]
}