USE master;
GO
CREATE LOGIN blob WITH PASSWORD = 'x', CHECK_POLICY = OFF;
GO
CREATE DATABASE floob;
GO
USE floob;
GO
CREATE USER blob FROM LOGIN blob;
GO
GRANT SHOWPLAN TO blob;
GO
CREATE TABLE dbo.splunge(plonk INT);
GO
GRANT SELECT ON dbo.splunge TO blob;
GO
EXECUTE AS USER = 'blob';
GO
SET SHOWPLAN_XML ON;
GO
-- plan is shown:
SELECT plonk FROM dbo.splunge;
GO
SET SHOWPLAN_XML OFF;
GO
-- error:
EXEC sp_trace_getdata @traceid = 1;
GO
-- empty result set:
SELECT * FROM sys.traces;
GO
REVERT;
GO
USE master;
GO
DROP DATABASE floob;
DROP LOGIN blob;