SET QUOTED_IDENTIFIER ON 
GO
SET ANSI_NULLS ON 
GO
CREATE FUNCTION [dbo].[to_decimal] (@d varchar(255))
RETURNS decimal(28,8)
with execute as CALLER
    AS
    BEGIN
		declare @to_decimal decimal(28,8);
		if @d is null
			return 0.0;
		set @d = replace(@d, '"', '');
		if @d = ''
			return 0.0
        set @d = replace(@d, ',', '.');
		if isnumeric(@d) = 0
			return 0.0

		set @to_decimal = convert(decimal(28,8), convert(float, @d));
			
		return (@to_decimal);
    END
GO
SET QUOTED_IDENTIFIER OFF 
GO
SET ANSI_NULLS OFF 
GO

GO