Clear All Query Parameters on a REST Object

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Demonstrates Rest.ClearAllQueryParams, which removes every query parameter previously added to the object.

--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    --  Connect to the REST server.  The 3rd argument enables TLS (use 1 for HTTPS on port 443),
    --  and the 4th enables automatic reconnection if the connection is dropped between requests.
    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'example.com', 443, @bTls, @bAutoReconnect
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END

    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'q', 'chilkat'
    EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'limit', '10'

    --  Remove all query parameters, for example before reusing the same Rest object for a different
    --  request.
    EXEC sp_OAMethod @rest, 'ClearAllQueryParams', @success OUT


    PRINT 'All query parameters cleared.'

    EXEC @hr = sp_OADestroy @rest


END
GO