{
   "name": "tessera_pg",
   "abstract": "Fast join-aggregates over skewed sparse relations inside PostgreSQL",
   "description": "A planner hook that runs join-aggregates such as SELECT a.x, b.x, COUNT(*) FROM r a JOIN r b ON a.k = b.k GROUP BY a.x, b.x, with weights, HAVING, and two relations, as a sparse matrix product with exact results, plus functions for item similarity.",
   "version": "1.2.1",
   "date": "2026-10-28T07:57:02Z",
   "maintainer": [
      "Gyuyeong Kim <skycrawlers2@gmail.com>"
   ],
   "release_status": "stable",
   "user": "Gyuyeong",
   "sha1": "d6d59ee45e20d1c25985b5486e117dd9b8f7d96f",
   "license": "apache_2_0",
   "prereqs": {
      "runtime": {
         "requires": {
            "PostgreSQL": "18.0.0"
         }
      }
   },
   "provides": {
      "tessera_pg": {
         "abstract": "Join-aggregate operator and item similarity",
         "docfile": "README.md",
         "file": "tessera_pg--1.0.sql",
         "version": "1.0.0"
      }
   },
   "tags": ["join", "aggregate", "matrix multiplication", "similarity", "co-occurrence"],
   "resources": {
      "bugtracker": {
         "web": "https://github.com/GyuyeongKim/Tessera-public/issues"
      },
      "homepage": "https://github.com/GyuyeongKim/Tessera-public",
      "repository": {
         "type": "git",
         "url": "https://github.com/GyuyeongKim/Tessera-public.git",
         "web": "https://github.com/GyuyeongKim/Tessera-public"
      }
   }
}