From 0d88c8a3e44e064367514eb1891b3920d97a992e Mon Sep 17 00:00:00 2001
From: Dev-iL <6509619+Dev-iL@users.noreply.github.com>
Date: Mon, 9 Feb 2026 19:10:16 +0200
Subject: [PATCH] Include GiST index type in query index types documentation
 (#33)

Added GiST index type for geometric data and nearest-neighbor queries.
---
 .../references/query-index-types.md                          | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/skills/supabase-postgres-best-practices/references/query-index-types.md b/skills/supabase-postgres-best-practices/references/query-index-types.md
index 0d7651a..93b3259 100644
--- a/skills/supabase-postgres-best-practices/references/query-index-types.md
+++ b/skills/supabase-postgres-best-practices/references/query-index-types.md
@@ -2,7 +2,7 @@
 title: Choose the Right Index Type for Your Data
 impact: HIGH
 impactDescription: 10-100x improvement with correct index type
-tags: indexes, btree, gin, brin, hash, index-types
+tags: indexes, btree, gin, gist, brin, hash, index-types
 ---
 
 ## Choose the Right Index Type for Your Data
@@ -35,6 +35,9 @@ create index users_created_idx on users (created_at);
 -- GIN: arrays, JSONB, full-text search
 create index posts_tags_idx on posts using gin (tags);
 
+-- GiST: geometric data, range types, nearest-neighbor (KNN) queries
+create index locations_idx on places using gist (location);
+
 -- BRIN: large time-series tables (10-100x smaller)
 create index events_time_idx on events using brin (created_at);