On Sun, 2006-03-05 at 00:04 -0500, Neil Conway wrote:
Okay, attached is a revised patch that implements this.
Applied.
-Neil
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index
Per recent discussion on -hackers, we should sometimes try to reorder
the columns of the grouping clause to avoid redundant sorts. The
optimizer is not currently capable of doing this, so this patch
implements a simple hack in the analysis phase (transformGroupClause):
if any subset of the GROUP
Neil Conway [EMAIL PROTECTED] writes:
Per recent discussion on -hackers, we should sometimes try to reorder
the columns of the grouping clause to avoid redundant sorts. The
optimizer is not currently capable of doing this, so this patch
implements a simple hack in the analysis phase
