How to convert varchar to integer in stored procedure

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Hello I would be grateful if you could help me to solve the problem. I need to write stored procedure that gets string. Each char in string have to be converted to int type and the converted type have to be inserted to the table.

Any idea haow to do it?

Thank you in advance.

Posted 21-Jan-12 10:12am

Mich_90

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Kethu Sasikanth 21-Jan-12 17:21pm

Char. is alphabet or numeric, string ex:"ABCD" or "1203"? What DB - Orcle(pl/sql) or SQL Server(t-sql)?

Mich_90 21-Jan-12 20:24pm

Numeric.For example "1,2,3,4"

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virang_21 · Accepted Answer · 2012-01-21T14:29:00

Solution 1

For MSSQL

SQL

convert(int,'01235')

SQL

DECLARE @Pos int
SET @Pos=1;
DECLARE @inputString varchar(10)
SET @inputString='012345'

DECLARE @intValue int

while(@Pos<=LEN(@inputString))
BEGIN
	SET @intValue = CONVERT(int,substring(@inputstring,@Pos,1));
	INSERT INTO myTable(myfield) Values(@intValue);
	SET @Pos=@Pos+1
END

Posted 21-Jan-12 14:29pm

virang_21

Updated 21-Jan-12 14:36pm

v2

Comments

Mich_90 22-Jan-12 10:21am

virang,thank you for this solution. but what if i have a comma delimeted string?
for example:'1,2,3,4,'

virang_21 22-Jan-12 14:49pm

Increase your pos value by 2 every iteration to take care of ",". In the while loop set your @Pos=@Pos+2

Mich_90 22-Jan-12 17:33pm

Thank you ,virang.