[QUESTION/PROPOSAL] loose quadtree in spgist

2020-01-07 Thread Peter Griggs
Hello, I wanted some guidance/suggestions about creating an spgist extension. For context, i am a grad student doing research that involves comparing the performance of different indexes for spatial data. We've built a system that uses Postgres and one of the data structures we want to use is a loo

Re: [QUESTION/PROPOSAL] loose quadtree in spgist

2020-01-08 Thread Peter Griggs
gt; centroid->low.y) quadrant |= 0x2; if (inBox->high.y > centroid->high.y) quadrant |= 0x1; elog(LOG, "Quadrant bitvector value is: %d\n", quadrant); return quadrant;} On Tue, Jan 7, 2020 at 5:56 PM Tomas

GiST secondary split

2020-03-20 Thread Peter Griggs
ndarySplit(Relation r, GISTSTATE *giststate, int attno, GIST_SPLITVEC *sv, Datum oldL, Datum oldR) { Best, Peter -- Peter Griggs Masters of Engineering (Meng) in Computer Science Massachusetts Institute of Technology | 2020