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SQL Server Examples

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(SQL Server) Glacier Download Archive

Demonstrates how to download an Amazon Glacier archive. Downloading a Glacier archive is a two step process. First an archive retrieval job is initiated. After it completes, the job output is downloaded (i.e. the archive contents are downloaded.)

Note: This example requires Chilkat v9.5.0.78 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    -- 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

    -- Connect to the Amazon AWS REST server in the desired region.
    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @port int
    SELECT @port = 443
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    DECLARE @success int
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'glacier.us-west-2.amazonaws.com', @port, @bTls, @bAutoReconnect

    -- Provide AWS credentials.
    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'
    EXEC sp_OASetProperty @authAws, 'ServiceName', 'glacier'
    EXEC sp_OASetProperty @authAws, 'Region', 'us-west-2'

    EXEC sp_OAMethod @rest, 'SetAuthAws', @success OUT, @authAws

    -- --------------------------------------------------------------------------
    -- Note: The above REST connection and setup of the AWS credentials
    -- can be done once.  After connecting, any number of REST calls can be made.
    -- The "auto reconnect" property passed to rest.Connect indicates that if
    -- the connection is lost, a REST method call will automatically reconnect
    -- if needed.
    -- --------------------------------------------------------------------------

    -- 
    -- For more information, see Glacier Retrieve Job Output Reference Documentation
    -- 
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'x-amz-glacier-version', '2012-06-01'

    -- To download an archive, we'll make several method calls:
    -- 1) Send the HTTPS GET request.
    -- 2) Get the response body.
    -- 3) If the response status code indicates success, stream the response body (i.e the archive data) to a file.
    -- 4) If the response status code indicates an error, get the JSON error response.

    -- Send the GET request.
    EXEC sp_OAMethod @rest, 'SendReqNoBody', @success OUT, 'GET', '/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID/output'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        RETURN
      END

    -- Read the response header.
    DECLARE @responseStatusCode int
    EXEC sp_OAMethod @rest, 'ReadResponseHeader', @responseStatusCode OUT
    IF @responseStatusCode < 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @authAws
        RETURN
      END


    PRINT 'Response status code = ' + @responseStatusCode

    -- We expect a 200 response status if the archive data is coming.
    -- Otherwise, we'll get a JSON response body with an error message(or no response body).
    IF @responseStatusCode = 200
      BEGIN

        DECLARE @bodyStream int
        EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Stream', @bodyStream OUT

        -- The stream's sink will be a file.
        EXEC sp_OASetProperty @bodyStream, 'SinkFile', 'qa_output/archiveData.dat'

        -- Read the response body to the stream.
        EXEC sp_OAMethod @rest, 'ReadRespBodyStream', @success OUT, @bodyStream, 1
        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 @bodyStream
            RETURN
          END


        PRINT 'Successfully received the archive file.'

      END
    ELSE
      BEGIN
        DECLARE @jsonError nvarchar(4000)
        EXEC sp_OAMethod @rest, 'ReadRespBodyString', @jsonError OUT
        EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 <> 1
          BEGIN
            EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
          END
        ELSE
          BEGIN

            PRINT @jsonError
          END
      END

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @authAws
    EXEC @hr = sp_OADestroy @bodyStream


END
GO

 

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