Created
November 23, 2023 13:30
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| CREATE FUNCTION [dbo].[F_SPLIT_STRING]( @STRING NVARCHAR (MAX), @DELIMITER NVARCHAR (10) ) | |
| RETURNS @VALUETABLE TABLE ([VALUE] NVARCHAR(MAX)) | |
| BEGIN | |
| DECLARE @NEXTSTRING NVARCHAR(4000) | |
| DECLARE @POS INT | |
| DECLARE @NEXTPOS INT | |
| DECLARE @COMMACHECK NVARCHAR(1) | |
| IF (@STRING IS NULL) | |
| BEGIN | |
| INSERT INTO @VALUETABLE ( [VALUE]) VALUES ('') | |
| END | |
| ELSE | |
| BEGIN | |
| --INITIALIZE | |
| SET @NEXTSTRING = '' | |
| SET @COMMACHECK = RIGHT(@STRING,1) | |
| --CHECK FOR TRAILING COMMA, IF NOT EXISTS, INSERT | |
| --IF (@COMMACHECK <> @DELIMITER ) | |
| SET @STRING = @STRING + @DELIMITER | |
| --GET POSITION OF FIRST COMMA | |
| SET @POS = CHARINDEX(@DELIMITER,@STRING) | |
| SET @NEXTPOS = 1 | |
| --LOOP WHILE THERE IS STILL A COMMA IN THE STRING OF LEVELS | |
| WHILE (@POS <> 0) | |
| BEGIN | |
| SET @NEXTSTRING = SUBSTRING(@STRING,1,@POS - 1) | |
| INSERT INTO @VALUETABLE ( [VALUE]) VALUES (@NEXTSTRING) | |
| SET @STRING = SUBSTRING(@STRING,@POS +1,LEN(@STRING)) | |
| SET @NEXTPOS = @POS | |
| SET @POS = CHARINDEX(@DELIMITER,@STRING) | |
| END | |
| END | |
| RETURN | |
| END |
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Works fine as alternative of native STRING_SPLIT (when its't give us necessary requisites)
https://learn.microsoft.com/pt-br/sql/t-sql/functions/string-split-transact-sql?view=sql-server-ver16