{
  "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",
  "maintainer": ["Gyuyeong Kim <skycrawlers2@gmail.com>"],
  "license": "apache_2_0",
  "provides": {
    "tessera_pg": {
      "abstract": "Join-aggregate operator and item similarity",
      "file": "tessera_pg--1.0.sql",
      "docfile": "README.md",
      "version": "1.0.0"
    }
  },
  "prereqs": {
    "runtime": {
      "requires": {
        "PostgreSQL": "18.0.0"
      }
    }
  },
  "resources": {
    "homepage": "https://github.com/GyuyeongKim/Tessera-public",
    "bugtracker": {
      "web": "https://github.com/GyuyeongKim/Tessera-public/issues"
    },
    "repository": {
      "url": "https://github.com/GyuyeongKim/Tessera-public.git",
      "web": "https://github.com/GyuyeongKim/Tessera-public",
      "type": "git"
    }
  },
  "tags": ["join", "aggregate", "matrix multiplication", "similarity", "co-occurrence"],
  "release_status": "stable",
  "generated_by": "Gyuyeong Kim",
  "meta-spec": {
    "version": "1.0.0",
    "url": "https://pgxn.org/meta/spec.txt"
  }
}