lab4-2_parse

-- ================================================
-- Template generated from Template Explorer using:
-- Create Scalar Function (New Menu).SQL
--
-- 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 Parse
(
	@string varchar(500)
)
RETURNS @table TABLE (number int identity not null, substr varchar(30))
AS
BEGIN
	DECLARE @Str1 nvarchar(500), @Pos int 
	SET @Str1 = @String
	
	WHILE 1 > 0 
	BEGIN
	  SET @Pos = CHARINDEX(' ', @Str1) 
	  IF @POS > 0
      BEGIN
	    INSERT INTO @table
        VALUES (SUBSTRING (@Str1, 1, @Pos)) 
	  END
      ELSE 
	  BEGIN
         INSERT INTO @table VALUES (@Str1) 
		 BREAK
     END 
	END 
    
	RETURN
END
GO