Hi út 13. 6. 2023 v 11:21 odesílatel James Pang (chaolpan) <chaol...@cisco.com> napsal:
> Hi, > > When join two table on multiple columns equaljoin, rows estimation > always use selectivity = multiplied by distinct multiple individual > columns, possible to use extended n-distinct statistics on multiple > columns? > > PG v14.8-1, attached please check test case with details. > There is not any support for multi tables statistic Regards Pavel > > > Thanks, > > > > James > > >
