Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

ExecuteQuery

Run queries to access information from your knowledge graph of entities within individual workspaces.

Note

The ExecuteQuery action only works with Amazon Java SDK2. ExecuteQuery will not work with any Amazon Java SDK version < 2.x.

Request Syntax


POST /queries/execution HTTP/1.1
Content-type: application/json

{
   "maxResults": number,
   "nextToken": "string",
   "queryStatement": "string",
   "workspaceId": "string"
}

URI Request Parameters

The request does not use any URI parameters.

Request Body

The request accepts the following data in JSON format.

maxResults

The maximum number of results to return at one time. The default is 50.

Type: Integer

Valid Range: Minimum value of 1. Maximum value of 100.

Required: No

nextToken

The string that specifies the next page of results.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 17880.

Pattern: .*

Required: No

queryStatement

The query statement.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1000.

Pattern: [\s\S]+

Required: Yes

workspaceId

The ID of the workspace.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: [a-zA-Z_0-9][a-zA-Z_\-0-9]*[a-zA-Z0-9]+

Required: Yes

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "columnDescriptions": [ 
      { 
         "name": "string",
         "type": "string"
      }
   ],
   "nextToken": "string",
   "rows": [ 
      { 
         "rowData": [ JSON value ]
      }
   ]
}

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.

columnDescriptions

A list of ColumnDescription objects.

Type: Array of ColumnDescription objects

nextToken

The string that specifies the next page of results.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 17880.

Pattern: .*

rows

Represents a single row in the query results.

Type: Array of Row objects

Errors

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

AccessDeniedException

Access is denied.

HTTP Status Code: 403

InternalServerException

An unexpected error has occurred.

HTTP Status Code: 500

QueryTimeoutException

The query timeout exception.

HTTP Status Code: 400

ServiceQuotaExceededException

The service quota was exceeded.

HTTP Status Code: 402

ThrottlingException

The rate exceeds the limit.

HTTP Status Code: 429

ValidationException

Failed

HTTP Status Code: 400