Alines UDF - String Split
By Sergey - Posted on March 5th, 2007
The ufn_Alines() UDF for SQL Server is similar to the VFP Alines() function but w/o additional parameters.
| This is sample code. Add error handling and adjust to your requirements as necessary. |
-- ufn_Alines --- IF EXISTS (SELECT * FROM sysobjects WHERE name = N'ufn_Alines') DROP FUNCTION ufn_Alines GO CREATE FUNCTION ufn_Alines (@STR VARCHAR(8000), @separator VARCHAR(16)=',') RETURNS @TableArray TABLE (ik INT IDENTITY, Item VARCHAR(128)) AS /* Splits passed string into items based on the specified separator string Parameters: @str - The string to split @separator - The separator string ( comma is default) Returns table variable with two columns: ik int - Item number Item varchar(128) - Item itself */ BEGIN DECLARE @Item VARCHAR(128), @pos INT WHILE DATALENGTH(@STR) > 0 BEGIN SET @pos = CHARINDEX(@separator, @STR) IF @pos = 0 SET @pos = DATALENGTH(@STR)+1 SET @Item = LEFT(@STR, @pos -1 ) SET @STR = SUBSTRING(@STR, @pos + DATALENGTH(@separator), 8000) INSERT INTO @TableArray (Item) VALUES(@Item) END RETURN END GO -- Sample of using ufn_Alines UDF SELECT * FROM dbo.ufn_Alines('The quick brown fox jumps over the lazy dog', SPACE(1))
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