Zbigniew Baniewski <[EMAIL PROTECTED]> wrote:
> On Fri, Mar 28, 2008 at 02:39:23PM -0400, Igor Tandetnik wrote:
>
>> date() function produces a string. You are trying to subtract a
>> number from a string, at which point SQLite converts the string to
>> number ('2008-03-28' becomes 2008) and performs the subtraction
>> (2008 - 14 == 1994).
>
> I don't know the conversion routines details - but shouldn't be more
> proper to convert to "Julian Day" first, and then to make a
> subtraction (when "date involved" has been detected), and - finally -
> to convert back to "Gregorian Day"?It's just a string. How is SQLite supposed to know this string is intended to represent a date? But of course, if you wanted to perform arithmetic on julian days, you can always use julianday() function - just as I showed. Igor Tandetnik _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
