﻿-- =============================================
-- Author:		<Author,,Name>
-- Create date: <Create Date, ,>
-- Description:	<Description, ,>
-- =============================================
CREATE FUNCTION [dbo].[ott_csv_contains]
(
	@text varchar(500)
	,@fragment varchar(500)
)
RETURNS bit
AS
BEGIN
	DECLARE @RET bit;

	IF ISNULL(@text, '') = '' OR ISNULL(@fragment, '') = ''
		SET @REt = 0;
	ELSE
		BEGIN
			-- Will be true 
			-- if any of the fragments exist in the list of text-items

			WITH texts as (SELECT * FROM string_split(ISNULL(@text,''), ','))
				,fragments as (SELECT * FROM string_split(ISNULL(@fragment,''), ','))
			SELECT @RET = CASE WHEN EXISTS (SELECT * FROM texts JOIN fragments ON texts.[value] = fragments.[value]) THEN 1 ELSE 0 END;
		END;

	RETURN @RET;

END