(SQL Server) Delete All Files

Permanently deletes all files owned by the user without moving it to the trash.

This example works by first getting a list of all fileIds, and then iterating over the list to delete each file.

See Google Drive Files delete for more information.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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
    DECLARE @iTmp1 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 1

    -- It requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    -- This example uses a previously obtained access token having permission for the 
    -- Google Drive scope.

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

    EXEC sp_OASetProperty @gAuth, 'AccessToken', 'GOOGLE-DRIVE-ACCESS-TOKEN'

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

    -- Connect using TLS.
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'www.googleapis.com', 443, 1, @bAutoReconnect

    -- Provide the authentication credentials (i.e. the access token)
    EXEC sp_OAMethod @rest, 'SetAuthGoogle', @success OUT, @gAuth

    -- Get 10 results per page for testing.  (The default page size is 100, with a max of 1000.
    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'pageSize', '10'

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

    DECLARE @i int

    DECLARE @numFiles int

    -- Send the request for the 1st page.
    DECLARE @jsonResponse nvarchar(4000)
    EXEC sp_OAMethod @rest, 'FullRequestNoBody', @jsonResponse OUT, 'GET', '/drive/v3/files'

    DECLARE @pageNumber int
    SELECT @pageNumber = 1
    DECLARE @pageToken nvarchar(4000)

    DECLARE @bContinueLoop int
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp1 OUT
    SELECT @bContinueLoop = @iTmp0 and (@iTmp1 = 200)

    DECLARE @fileId nvarchar(4000)

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

    WHILE @bContinueLoop = 1
      BEGIN



        PRINT '---- Page ' + @pageNumber + ' ----'
        EXEC sp_OAMethod @json, 'Load', @success OUT, @jsonResponse

        EXEC sp_OAMethod @json, 'SizeOfArray', @numFiles OUT, 'files'
        SELECT @i = 0
        WHILE @i < @numFiles
          BEGIN
            EXEC sp_OASetProperty @json, 'I', @i
            EXEC sp_OAMethod @json, 'StringOf', @fileId OUT, 'files[i].id'

            EXEC sp_OAMethod @json, 'StringOf', @sTmp0 OUT, 'files[i].name'
            PRINT 'name: ' + @sTmp0

            PRINT 'id: ' + @fileId
            EXEC sp_OAMethod @saFileIds, 'Append', @success OUT, @fileId
            SELECT @i = @i + 1
          END

        -- Get the next page of files.
        -- If the "nextPageToken" is present in the JSON response, then use it in the "pageToken" parameter
        -- for the next request.   If no "nextPageToken" was present, then this was the last page of files.
        EXEC sp_OAMethod @json, 'StringOf', @pageToken OUT, 'nextPageToken'
        SELECT @bContinueLoop = 0
        DECLARE @bHasMorePages int
        EXEC sp_OAGetProperty @json, 'LastMethodSuccess', @bHasMorePages OUT
        IF @bHasMorePages = 1
          BEGIN
            EXEC sp_OAMethod @rest, 'ClearAllQueryParams', @success OUT
            EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'pageSize', '10'
            EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'pageToken', @pageToken
            EXEC sp_OAMethod @rest, 'FullRequestNoBody', @jsonResponse OUT, 'GET', '/drive/v3/files'
            EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
            EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp1 OUT
            SELECT @bContinueLoop = @iTmp0 and (@iTmp1 = 200)
            SELECT @pageNumber = @pageNumber + 1
          END

      END

    -- Before actually deleting, check for errors...
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @saFileIds
        RETURN
      END

    -- A successful response will have a status code equal to 200.
    EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN

        EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
        PRINT 'response status code = ' + @iTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
        PRINT 'response status text = ' + @sTmp0

        EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
        PRINT 'response header: ' + @sTmp0

        PRINT 'response JSON: ' + @jsonResponse
        EXEC @hr = sp_OADestroy @gAuth
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @saFileIds
        RETURN
      END

    -- OK, we have the full list of files.  Delete each..
    DECLARE @sbPath int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbPath OUT

    EXEC sp_OAGetProperty @saFileIds, 'Count', @numFiles OUT
    SELECT @i = 0
    WHILE @i < @numFiles
      BEGIN
        EXEC sp_OAMethod @saFileIds, 'GetString', @fileId OUT, @i

        EXEC sp_OAMethod @rest, 'ClearAllQueryParams', @success OUT

        EXEC sp_OAMethod @sbPath, 'Clear', NULL
        EXEC sp_OAMethod @sbPath, 'Append', @success OUT, '/drive/v3/files/'
        EXEC sp_OAMethod @sbPath, 'Append', @success OUT, @fileId

        EXEC sp_OAMethod @sbPath, 'GetAsString', @sTmp0 OUT
        EXEC sp_OAMethod @rest, 'FullRequestNoBody', @jsonResponse OUT, 'DELETE', @sTmp0
        EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 <> 1
          BEGIN
            EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @gAuth
            EXEC @hr = sp_OADestroy @rest
            EXEC @hr = sp_OADestroy @json
            EXEC @hr = sp_OADestroy @saFileIds
            EXEC @hr = sp_OADestroy @sbPath
            RETURN
          END

        -- A successful response will have a status code equal to 204 and the response body is empty.
        -- (If not successful, then there should be a JSON response body with information..)
        EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
        IF @iTmp0 <> 204
          BEGIN

            EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
            PRINT 'response status code = ' + @iTmp0

            EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
            PRINT 'response status text = ' + @sTmp0

            EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
            PRINT 'response header: ' + @sTmp0

            PRINT 'response JSON: ' + @jsonResponse
            EXEC @hr = sp_OADestroy @gAuth
            EXEC @hr = sp_OADestroy @rest
            EXEC @hr = sp_OADestroy @json
            EXEC @hr = sp_OADestroy @saFileIds
            EXEC @hr = sp_OADestroy @sbPath
            RETURN
          END

        SELECT @i = @i + 1


        PRINT @i + ': Deleted ' + @fileId
      END


    PRINT 'All Files Deleted.'

    EXEC @hr = sp_OADestroy @gAuth
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @saFileIds
    EXEC @hr = sp_OADestroy @sbPath


END
GO