+1
-- 此致！Best Regards 陈明雨 Mingyu Chen Email: chenmin...@apache.org 在 2021-08-03 21:52:53，"ling miao" <lingm...@apache.org> 写道： >Add the issue[1] of this proposal. > >Ling Miao > >1. https://github.com/apache/incubator-doris/issues/6370 > > >ling miao <lingm...@apache.org> 于2021年8月3日周二 下午9:36写道： > >> Doris's current statistics are only inaccurate table rows and table size. >> Due to the lack of some more accurate column statistics, the Doris query >> plan cannot evaluate and select a better plan. Also the current statistical >> information is not a complete structure. >> >> I propose to add a statistical information collection module in the query >> layer. Mainly responsible for the collection, storage, use and other >> functions of statistical information, so as to assist the optimizer to >> obtain better query planning. >> >> Ling Miao >>
