Thread

[QUESTIONS] ORDER BY and nulls (fwd)

Bruce Momjian <maillist@candle.pha.pa.us> — 1998-01-11T21:43:01Z

Is this fixed yet?

Forwarded message:
> I seem to recall that someone here said that because of the way comparisons
> are done, in an ORDER-BY query, the NULLs will always come up last.
> 
> It seems to have another effect, too: if I do a SELECT ... ORDER BY
> col1,col2 - and the col1 attribute has nulls, the rows with the nulls don't
> get sorted at all.
> 
> Apparently, this is because the rows which have NULL in the col1 attribute
> are not considered to have an equal value in col1, which is the requirement
> for sorting on col2 - or am I missing something here?
> 
> Herouth
> 
> 
> 
> 


-- 
Bruce Momjian
maillist@candle.pha.pa.us