QueryGraph - Amazon DataZone

QueryGraph

Queries entities in the graph store.

Request Syntax

POST /v2/domains/domainIdentifier/graph/query?maxResults=maxResults&nextToken=nextToken HTTP/1.1 Content-type: application/json { "additionalAttributes": { "formNames": [ "string" ] }, "match": [ { ... } ] }

URI Request Parameters

The request uses the following URI parameters.

domainIdentifier

The identifier of the Amazon DataZone domain.

Pattern: dzd[-_][a-zA-Z0-9_-]{1,36}

Required: Yes

maxResults

The maximum number of entities to return in a single call to QueryGraph. When the number of entities to be listed is greater than the value of MaxResults, the response contains a NextToken value that you can use in a subsequent call to QueryGraph to list the next set of entities.

Valid Range: Minimum value of 1. Maximum value of 50.

nextToken

When the number of entities is greater than the default value for the MaxResults parameter, or if you explicitly specify a value for MaxResults that is less than the number of entities, the response includes a pagination token named NextToken. You can specify this NextToken value in a subsequent call to QueryGraph to list the next set of entities.

Length Constraints: Minimum length of 1. Maximum length of 8192.

Request Body

The request accepts the following data in JSON format.

additionalAttributes

Additional details on the queried entity that can be requested in the response.

Type: AdditionalAttributes object

Required: No

match

List of query match clauses.

Type: Array of MatchClause objects

Array Members: Fixed number of 2 items.

Required: Yes

Response Syntax

HTTP/1.1 200 Content-type: application/json { "items": [ { ... } ], "nextToken": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

items

The results of the QueryGraph action.

Type: Array of ResultItem objects

nextToken

When the number of entities is greater than the default value for the MaxResults parameter, or if you explicitly specify a value for MaxResults that is less than the number of entities, the response includes a pagination token named NextToken. You can specify this NextToken value in a subsequent call to QueryGraph to list the next set of entities.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 8192.

Errors

For information about the errors that are common to all actions, see Common Errors.

AccessDeniedException

You do not have sufficient access to perform this action.

HTTP Status Code: 403

InternalServerException

The request has failed because of an unknown error, exception or failure.

HTTP Status Code: 500

ThrottlingException

The request was denied due to request throttling.

HTTP Status Code: 429

UnauthorizedException

You do not have permission to perform this action.

HTTP Status Code: 401

ValidationException

The input fails to satisfy the constraints specified by the AWS service.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: