Re: [HACKERS] Aggregation push down, reorder of join and group by

2016-10-04 Thread Amit Langote
Hi, On 2016/10/05 14:19, Chenxi Li wrote: > Hello, > > I'm reading some papers about aggregation push down like in " > https://ub-madoc.bib.uni-mannheim.de/37228/1/main.pdf; and " > http://www.vldb.org/conf/1995/P345.PDF;. I think it is very useful but very > complex to implement. In some

[HACKERS] Aggregation push down, reorder of join and group by

2016-10-04 Thread Chenxi Li
Hello, I'm reading some papers about aggregation push down like in " https://ub-madoc.bib.uni-mannheim.de/37228/1/main.pdf; and " http://www.vldb.org/conf/1995/P345.PDF;. I think it is very useful but very complex to implement. In some complex queries, it can be a lot faster. Is there any plan to