Q: will GROUP BY make use of an index to return tuples early?
Q: will GROUP BY make use of an index to return tuples early?
От:
Gunther Schadow <gunther@aurora.regenstrief.org>
Дата:
Re: Q: will GROUP BY make use of an index to return tuples early?
От:
Tom Lane <tgl@sss.pgh.pa.us>
Дата:
