--
-- Use the Specify Values for Template Parameters 
-- command (Ctrl-Shift-M) to fill in the parameter 
-- values below.
--
-- This block of comments will not be included in
-- the definition of the function.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:		<Author,,Name>
-- Create date: <Create Date,,>
-- Description:	<Description,,>
-- =============================================
CREATE FUNCTION NonNullAiAj 
(	
	-- Add the parameters for the function here
	@attributeName1 varchar(50),
	@attributeName2 varchar(50) 
)
RETURNS INT 
AS
BEGIN
	DECLARE @NonNullAiAj INT;
	-- Add the SELECT statement with parameter references here
	SELECT  @NonNullAiAj =  COUNT(distinct a1.idEvent)
	FROM         dbo.CorrelationAttributes as a1
	WHERE     (a1.attribute = @attributeName1 OR a1.attribute = @attributeName2) 
	and a1.value is not null and not a1.value='';
	RETURN @NonNullAiAj;

END;
GO