SQL Server Google Cloud Storage: Delete a File (i.e. Object)

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Deletes a fie (also known as an object) from a Google Cloud Storage bucket. The name of the bucket is specified in the URL's path. This example deletes the "starfish.jpg" object from the "chilkat-test" bucket. A successful DELETE is indicated by a 204 response status code with an empty response body.

Documentation: https://cloud.google.com/storage/docs/json_api/v1/objects/delete

CURL Command

curl -X DELETE https://www.googleapis.com/storage/v1/b/chilkat-bucket/o/starfish.jpg?project=MY_CLOUD_STORAGE_PROJECT \
    --header "Authorization: Bearer CLOUD_STORAGE_TOKEN"

SQL Server Example

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

    --  URL: https://www.googleapis.com/storage/v1/b/chilkat-bucket/o/starfish.jpg?project=MY_CLOUD_STORAGE_PROJECT
    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @port int
    SELECT @port = 443
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'www.googleapis.com', @port, @bTls, @bAutoReconnect
    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
        RETURN
      END

    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Authorization', 'Bearer CLOUD_STORAGE_TOKEN'

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

    EXEC sp_OAMethod @rest, 'FullRequestNoBodySb', @success OUT, 'DELETE', '/storage/v1/b/chilkat-bucket/o/starfish.jpg?project=MY_CLOUD_STORAGE_PROJECT', @sbResponseBody
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @sbResponseBody
        RETURN
      END
    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @respStatusCode OUT
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Status Code = ' + @respStatusCode

        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 @sbResponseBody
        RETURN
      END

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @sbResponseBody


END
GO