Re: range_agg
От | Jeff Davis |
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Тема | Re: range_agg |
Дата | |
Msg-id | cdd809b0869d3bb334e68ed9ebdd1d3f97289338.camel@j-davis.com обсуждение исходный текст |
Ответ на | Re: range_agg (Pavel Stehule <pavel.stehule@gmail.com>) |
Ответы |
Re: range_agg
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Список | pgsql-hackers |
On Fri, 2019-07-05 at 07:58 +0200, Pavel Stehule wrote: > The question is naming - should be this agg function named > "range_agg", and multi range agg "multirange_agg"? Personally, I have > not a problem with range_agg, and I have not a problem so it is based > on union operation. It is true so only result of union can be > implemented as range simply. When I though about multi range result, > then there are really large set of possible algorithms how to do some > operations over two, three values. Hi Pavel, Can you explain in more detail? Would an intersection-based aggregate be useful? If so, and we implement it in the future, what would we call it? Regards, Jeff Davis
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