Chilkat Online Tools

GetDatasetContent SQL Server Example

AWS IoT Analytics

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(max)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @rest int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Rest', @rest OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    DECLARE @authAws int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.AuthAws', @authAws OUT

    EXEC sp_OASetProperty @authAws, 'AccessKey', 'AWS_ACCESS_KEY'
    EXEC sp_OASetProperty @authAws, 'SecretKey', 'AWS_SECRET_KEY'

    -- Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    EXEC sp_OASetProperty @authAws, 'Region', 'us-west-2'
    EXEC sp_OASetProperty @authAws, 'ServiceName', 'iotanalytics'
    -- SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    EXEC sp_OAMethod @rest, 'SetAuthAws', @success OUT, @authAws

    -- URL: https://iotanalytics.us-west-2.amazonaws.com/
    -- Use the same region as specified above.
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'iotanalytics.us-west-2.amazonaws.com', 443, 1, 1
    IF @success <> 1
      BEGIN

        EXEC sp_OAGetProperty @rest, 'ConnectFailReason', @iTmp0 OUT
        PRINT 'ConnectFailReason: ' + @iTmp0
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        RETURN
      END

    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'application/x-amz-json-1.1'
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'X-Amz-Target', 'GetDatasetContent'

    DECLARE @sbResponseBody int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @rest, 'FullRequestNoBodySb', @success OUT, 'GET', '/datasets/{datasetName}/content', @sbResponseBody
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END
    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @respStatusCode OUT

    PRINT 'response status code = ' + @respStatusCode
    IF @respStatusCode <> 200
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Response Body:'
        EXEC sp_OAMethod @sbResponseBody, 'GetAsString', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END

    DECLARE @jResp int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @jResp OUT

    EXEC sp_OAMethod @jResp, 'LoadSb', @success OUT, @sbResponseBody

    -- The following code parses the JSON response.
    -- A sample JSON response is shown below the sample code.

    -- Use this online tool to generate parsing code from sample JSON:
    -- Generate Parsing Code from JSON

    DECLARE @dataURI nvarchar(max)

    DECLARE @entryName nvarchar(max)

    DECLARE @Reason nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @Reason OUT, 'status.reason'
    DECLARE @State nvarchar(max)
    EXEC sp_OAMethod @jResp, 'StringOf', @State OUT, 'status.state'
    DECLARE @timestamp int
    EXEC sp_OAMethod @jResp, 'IntOf', @timestamp OUT, 'timestamp'
    DECLARE @i int
    SELECT @i = 0
    DECLARE @count_i int
    EXEC sp_OAMethod @jResp, 'SizeOfArray', @count_i OUT, 'entries'
    WHILE @i < @count_i
      BEGIN
        EXEC sp_OASetProperty @jResp, 'I', @i
        EXEC sp_OAMethod @jResp, 'StringOf', @dataURI OUT, 'entries[i].dataURI'
        EXEC sp_OAMethod @jResp, 'StringOf', @entryName OUT, 'entries[i].entryName'
        SELECT @i = @i + 1
      END

    -- A sample JSON response body parsed by the above code:

    -- {
    --   "entries": [
    --     {
    --       "dataURI": "string",
    --       "entryName": "string"
    --     }
    --   ],
    --   "status": {
    --     "reason": "string",
    --     "state": "string"
    --   },
    --   "timestamp": number
    -- }

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @authAws
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jResp


END
GO