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  3. February 2012

DB2 valid dates



I did not intend to but while playing with a function I created and tried to use date 0300-02-29. The function did not like it but it was created using standard date handling. Bug or something I don't know about supported dates?

From my investigation, supported dates are from 0001-01-01 to 9999-12-31. Should I expect the following to work? To simplify the problem, here are the relevant date things.

SELECT date('0300-02-28')+ 1 days from sysdummy1
Date expression
  0300-02-29  

SELECT date('0300-02-29')         from sysdummy1
DATE     
++++++++++

SELECT date('0300-03-01') - 1 days from sysdummy1

Date expression
  0300-02-28
Looking more and more like a bug. Other leap year (non-leap year) calculations seem to work (although I didn't test them all). Anyone know if this is some kind of built-in error or just a bug?


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