troubleshooting Question

DB2: Casting and substring issues

Avatar of Paula DiTallo
Paula DiTalloFlag for United States of America asked on
DB2
3 Comments1 Solution2359 ViewsLast Modified:
Hi Techies--

OK, it looks like there's an issue with leading "0's" with dates and months on a substring/cast conversion.  The date is sitting in the PRTED8 field as decimal(8,0) like 12311995 - or December 31, 1995.  That date will convert correctly to 12/31/1995 for "TermDate-Date" and 1995-12-31 for "TermDate-Varchar"  If I have a date like 01311996 what I get is: NULL for "TermDate-Date" and 996-13-11 for "TermDate-Varchar" . What is the best way to solve this issue.


SELECT
       CAST(SUBSTRING(CAST(PRTED8 AS VARCHAR( 8 )),5,4) || '-' || SUBSTRING(CAST(PRTED8 AS VARCHAR( 8 )),1,2) || '-' || SUBSTRING(CAST(PRTED8 AS VARCHAR( 8 )),3,2) AS VARCHAR(10)) AS "TermDate-Varchar",
       CAST(SUBSTRING(CAST(PRTED8 AS VARCHAR( 8 )),5,4) || '-' || SUBSTRING(CAST(PRTED8 AS VARCHAR( 8 )),1,2) || '-' || SUBSTRING(CAST(PRTED8 AS VARCHAR( 8 )),3,2) AS DATE) AS "TermDate-Date",
       DIGITS(PRTED8) AS "TermDate-Decimal"
 FROM XXXTST.SSSSS
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