Now that expressions can be used in indexes in 7.4 you can have multicolumn
indexes that are ordered in different directions. However the planner
doesn't seem to understand that order by -col asc is the same as order by
col desc (for at least the normal -) so you have to be careful how you
write
Bruno Wolff III [EMAIL PROTECTED] writes:
Now that expressions can be used in indexes in 7.4 you can have multicolumn
indexes that are ordered in different directions. However the planner
doesn't seem to understand that order by -col asc is the same as order by
col desc (for at least the
On Fri, 30 May 2003, Bruno Wolff III wrote:
Now that expressions can be used in indexes in 7.4 you can have multicolumn
indexes that are ordered in different directions. However the planner
doesn't seem to understand that order by -col asc is the same as order by
col desc (for at least the
On Fri, May 30, 2003 at 10:42:24 -0700,
Stephan Szabo [EMAIL PROTECTED] wrote:
On Fri, 30 May 2003, Bruno Wolff III wrote:
Now that expressions can be used in indexes in 7.4 you can have multicolumn
indexes that are ordered in different directions. However the planner
doesn't seem to
On Fri, 30 May 2003, Bruno Wolff III wrote:
On Fri, May 30, 2003 at 10:42:24 -0700,
Stephan Szabo [EMAIL PROTECTED] wrote:
On Fri, 30 May 2003, Bruno Wolff III wrote:
Now that expressions can be used in indexes in 7.4 you can have multicolumn
indexes that are ordered in different
On Fri, May 30, 2003 at 11:31:23 -0700,
Stephan Szabo [EMAIL PROTECTED] wrote:
On Fri, 30 May 2003, Bruno Wolff III wrote:
I was hoping the new stuff Tom added would make doing this easier. The issue
has come up before and at least at that time it didn't get changed so I
expected it
Bruno Wolff III [EMAIL PROTECTED] writes:
I went back and reread the stuff on NEGATOR and found it only applies
to operators that return boolean types. I had thought it was different
and would let you make the deduction a b = -a = -b, but that isn't
the case. Instead it lets you make the
