Chilkat Online Tools

SQL Server / Cognite API v1 / Retrieve cursors for parallel reads

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-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'api-key', '{{api-key}}'

    DECLARE @sbResponseBody int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @http, 'QuickGetSb', @success OUT, 'https://domain.com/api/v1/projects/{{project}}/raw/dbs/:dbName/tables/:tableName/cursors', @sbResponseBody
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END


    EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
    PRINT 'Response status code = ' + @iTmp0
    EXEC sp_OAMethod @sbResponseBody, 'GetAsString', @sTmp0 OUT
    PRINT @sTmp0

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @sbResponseBody


END
GO

Curl Command

curl -X GET
	-H "api-key: {{api-key}}"
https://domain.com/api/v1/projects/{{project}}/raw/dbs/:dbName/tables/:tableName/cursors?

Postman Collection Item JSON

{
  "id": "getCursors",
  "name": "Retrieve cursors for parallel reads",
  "request": {
    "url": {
      "host": "{{baseUrl}}",
      "path": [
        "api",
        "v1",
        "projects",
        "{{project}}",
        "raw",
        "dbs",
        ":dbName",
        "tables",
        ":tableName",
        "cursors"
      ],
      "query": [
        {
          "key": "minLastUpdatedTime",
          "description": "The number of milliseconds since 00:00:00 Thursday, 1 January 1970, Coordinated Universal Time (UTC), minus leap seconds.",
          "disabled": true
        },
        {
          "key": "maxLastUpdatedTime",
          "description": "The number of milliseconds since 00:00:00 Thursday, 1 January 1970, Coordinated Universal Time (UTC), minus leap seconds.",
          "disabled": true
        },
        {
          "key": "numberOfCursors",
          "description": "The number of cursors to return, by default it's 10.",
          "disabled": true
        }
      ],
      "variable": [
        {
          "key": "dbName",
          "description": "Name of the database.",
          "disabled": true,
          "type": "string"
        },
        {
          "key": "tableName",
          "description": "Name of the table.",
          "disabled": true,
          "type": "string"
        }
      ]
    },
    "method": "GET",
    "header": [
      {
        "key": "api-key",
        "value": "{{api-key}}",
        "description": "An admin can create API keys in the Cognite console."
      }
    ],
    "description": "Retrieve cursors based on the last updated time range. Normally this endpoint is used for reading in parallel.\n\nEach cursor should be supplied as the 'cursor' query parameter on GET requests to [Read Rows](#operation/getRows).\n**Note** that the 'minLastUpdatedTime' and the 'maxLastUpdatedTime' query parameter on [Read Rows](#operation/getRows) are ignored when a cursor is specified.\n"
  }
}