Re: GiST secondary split

2020-03-21 Thread Alexander Korotkov
Hi, Peter! On Sat, Mar 21, 2020 at 12:36 AM Peter Griggs wrote: > I am hacking some GIST code for a research project and wanted clarification > about what exactly a secondary split is in GIST. Secondary split in GiST is the split by second and subsequent columns on multicolumn GiST i

GiST secondary split

2020-03-20 Thread Peter Griggs
I am hacking some GIST code for a research project and wanted clarification about what exactly a secondary split is in GIST. More specifically I am wondering why the supportSecondarySplit function (which is in src/backend/access/gist/gistsplit.c) can assume that the data is currently on the left si